Анализ страницы https://atlas.cern/Updates/Briefing/Polarised-Weak-Bosons
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Домен
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Безопасность
Сайт безопасен
Использование HTTPS и SSL-сертификат
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HTTPS — обязательный стандарт. Google и Яндекс отдают предпочтение защищённым сайтам. Отсутствие SSL или просроченный сертификат ведут к предупреждениям в браузере и снижению позиций.
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На сайте работает защищенный протокол ssl и сайт открывается по https.
Ssl-сертификат действителен до 01.03.2027 9:24:29.
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Кодировка
utf-8
Кодировка символов страницы
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Стандарт — UTF-8. Неправильная кодировка вызывает нечитаемые символы и мешает поисковику корректно распознать текст страницы.
Указана кодировка на странице utf-8.
Язык
en
Атрибут lang в HTML-теге
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Язык документа указан явно: en.
Скорость загрузки
~0,83сек
Время отклика сервера (TTFB)
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Time To First Byte — время до получения первого байта от сервера. Норма до 200 мс. Медленный отклик ухудшает пользовательский опыт и ранжирование: Яндекс и Google учитывают скорость страниц.
Скорость загрузки сайта 0,83сек оптимальна.
Объем документа
72Кб
Размер HTML-кода страницы
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Слишком большой HTML замедляет парсинг браузером и сканирование поисковым роботом. Рекомендуется не более 200 Кб.
Объем html-документа 72Кб оптимален.
Структура html-документа корректна.
Ресурсы
Ресурсы: 131
Внешние ресурсы страницы (CSS, JS, изображения)
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Количество и тип подключённых ресурсов влияют на скорость загрузки. Большое число запросов увеличивает время рендеринга страницы.
Кол-во файлов ресурсов 131 много для одной страницы. Приемлемо до 10. Проведите оптимизацию файлов ресурсов!
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| stylesheet | /core/modules/system/css/components/details.module.css?ti9tlq | |
| stylesheet | /core/modules/system/css/components/hidden.module.css?ti9tlq | |
| stylesheet | /core/modules/system/css/components/item-list.module.css?ti9tlq | |
| stylesheet | /core/modules/system/css/components/js.module.css?ti9tlq | |
| stylesheet | /core/modules/system/css/components/nowrap.module.css?ti9tlq | |
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| stylesheet | /core/modules/system/css/components/reset-appearance.module.css?ti9tlq | |
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| stylesheet | /themes/custom/cern-base-theme/css/components/pagination.css?ti9tlq | |
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| js | /themes/contrib/bootstrap/js/tooltip.js?ti9tlq | |
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| js | /themes/custom/cern-base-theme/js/components/social-sharing.js?ti9tlq | |
| js | /themes/custom/cern-base-theme/js/components/footer.js?ti9tlq | |
| js | /themes/custom/cern-base-theme/js/views/agenda-views.js?ti9tlq | |
| js | /themes/custom/cern-base-theme/js/views/faq-views.js?ti9tlq | |
| js | /themes/custom/cern-base-theme/js/views/news-views.js?ti9tlq | |
| js | /themes/custom/cern-base-theme/js/views/resources-views.js?ti9tlq | |
| js | /themes/custom/cern-base-theme/js/views/stories-views.js?ti9tlq | |
| js | /themes/custom/cern-base-theme/js/views/taxonomies-views.js?ti9tlq | |
| js | /themes/custom/cern-base-theme/js/views/search-views.js?ti9tlq | |
| js | /themes/custom/cern-base-theme/js/views/common-views.js?ti9tlq | |
| js | /themes/custom/cern-base-theme/js/box-effects.js?ti9tlq | |
| js | //framework.web.cern.ch/framework/3.0/js/colorbox/jquery.colorbox-min.js | |
| js | //framework.web.cern.ch/framework/3.0/js/scroll-magic/ScrollMagic.min.js | |
| js | //framework.web.cern.ch/framework/3.0/js/scroll-magic/text-effects.js | |
| js | /themes/custom/cern-theme/js/anchor-fix.js?ti9tlq | |
| js | /themes/custom/cern-theme/js/cernclean.js?ti9tlq | |
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| js | /modules/contrib/matomo/js/matomo.js?v=10.4.10 | |
| js | /modules/contrib/webform/js/webform.behaviors.js?v=10.4.10 | |
| js | /core/misc/states.js?v=10.4.10 | |
| js | /themes/contrib/bootstrap/js/misc/states.js?ti9tlq | |
| js | /modules/contrib/webform/js/webform.states.js?v=10.4.10 | |
| js | /modules/contrib/webform/modules/webform_bootstrap/js/webform_bootstrap.states.js?v=10.4.10 |
Серверные заголовки
Кол-во: 10
HTTP-заголовки ответа сервера
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Заголовки сервера передают браузеру и поисковику служебную информацию: кеширование, безопасность (CSP, HSTS), сжатие (gzip). Правильная настройка ускоряет загрузку и повышает защищённость.
Найдены серверные заголовки 10шт. Подробнее про серверные заголовки.
Показать полный список серверных заголовков
| Ключ | Значение |
|---|---|
| Server | nginx |
| Vary | Accept-Encoding |
| Cache-Control | must-revalidate, no-cache, private |
| Date | Thu, 20 Aug 2026 19:28:07 GMT |
| x-drupal-dynamic-cache | UNCACHEABLE (poor cacheability) |
| X-Content-Type-Options | nosniff |
| X-Frame-Options | SAMEORIGIN |
| x-generator | Drupal 10 (https://www.drupal.org) |
| x-drupal-cache | MISS |
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CMS
Drupal
Система управления сайтом (движок)
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CMS — это движок, на котором работает сайт (WordPress, 1C-Bitrix, Tilda и др.). Знание CMS помогает понять возможности SEO-оптимизации и подобрать подходящие инструменты. «Не определена» — вероятно, самописный сайт или нестандартная сборка.
Сайт работает на CMS Drupal.
Веб-сервер
nginx
Программное обеспечение сервера
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Веб-сервер — это ПО, которое отдаёт страницы посетителям (nginx, Apache, IIS, LiteSpeed и др.). Определяется по серверным заголовкам ответа (Server, X-Powered-By и т.п.). «Не определён» — сервер намеренно скрывает эти заголовки, это нормальная практика безопасности.
Сайт работает на веб-сервере nginx.
Мета-теги Готовность: 50%
Title
Polarised bosons: a window into the Higgs mechanism | ATLAS Experiment at CERN
Заголовок страницы в браузере и поисковой выдаче
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Title — главный SEO-заголовок страницы. Влияет на CTR в поиске и ранжирование. Оптимальная длина: 50–70 символов. Ключевые слова — ближе к началу.
Необходимо уменьшить число символов в title (текущее значение: 78, оптимально: от 40 до 45)
Дублей словоформ в title не найдено.
Description
Official public website for the ATLAS Experiment at CERN
Описание страницы в поисковой выдаче (сниппет)
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Meta Description — текст под заголовком в выдаче. Напрямую на позиции не влияет, но влияет на CTR. Оптимальная длина: 120–160 символов.
Необходимо увеличить число символов в description (текущее значение мало: 56, минимум: 80, оптимально: от 120 до 130)
Keywords
ATLAS, ATLAS experiment, The ATLAS Experiment, CERN, LHC, Large Hadron Collider, CMS, ALICE, LHCb, experiment, collaboration, international collaboration, scientific collaboration, particle, physics, particle physics, high-energy physics, science, science education, Higgs, SUSY, supersymmetry, dark matter, big bang, extra dimensions, heavy ion, hadron, black hole, universe, STEM, Geneva, Switzerland, Fabiola Gianotti, Peter Jenni, David Charlton, Karl Jakobs, Andreas Hoecker
Список ключевых слов страницы (устаревший тег)
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Meta Keywords не учитывается Яндексом и Google для ранжирования с 2009–2012 годов. Заполнение не обязательно, но не вредит. Конкурент может использовать содержимое для анализа.
Keywords установлены.
Канонический Url
https://atlas.cern/Updates/Briefing/Polarised-Weak-Bosons
Указывает поисковику основную версию страницы
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Canonical (rel=canonical) предотвращает проблему дублей страниц. Должен точно совпадать с URL проверяемой страницы. Неправильный canonical может передать ссылочный вес на другую страницу.
Канонический Url прописан корректно.
Robots
Ошибок нет
Директивы для поисковых роботов на уровне страницы
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Meta Robots управляет индексацией конкретной страницы: index/noindex — индексировать ли, follow/nofollow — следовать ли по ссылкам. Noindex полностью исключает страницу из поиска.
Meta-тег robots не указан. Страница свободна для индексации.
Адаптивность
width=device-width, initial-scale=1.0
Настройка масштабирования на мобильных устройствах
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Тег viewport (<meta name="viewport">) сообщает браузеру, как масштабировать страницу на мобильных. Стандарт: width=device-width, initial-scale=1. Отсутствие — признак отсутствия мобильной версии.
Meta-тег viewport со значением-константой width=device-width задаёт ширину страницы в соответствии с размером экрана.
Meta-тег viewport со значением initial-scale=1.0 определяет масштаб 1:1, т.е. «не масштабировать».
Разметка OpenGraph
Кол-во: 6
Мета-теги для красивых превью в соцсетях
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OpenGraph (og:title, og:description, og:image) управляет тем, как страница выглядит при репосте в социальных сетях и мессенджерах. Отсутствие OG-тегов — невзрачный превью при шеринге.
Разметка OpenGraph задана. Страница оптимизирована под социальные сети.
Показать полный список og мета-тегов
| Тип | Значение |
|---|---|
| og:site_name | ATLAS |
| og:type | website |
| og:url | https://atlas.cern/Updates/Briefing/Polarised-Weak-Bosons |
| og:title | Polarised bosons: a window into the Higgs mechanism |
| og:description | While the Higgs mechanism is best known for breaking electroweak symmetry and giving fundamental particles mass, it can also leave a distinctive imprint on the polarisation of certain particles. A massless particle such as the photon only has two transverse polarisation states. By contrast, the massive W and Z bosons – the carriers of the weak force – have an additional longitudinal polarisation state, in which their spin is oriented perpendicular to their direction of motion. The existence of this extra state is a direct consequence of the Higgs mechanism. Measuring how often W and Z bosons are produced in different polarisation states thus offers a unique window into this fundamental process. Polarisation studies of W and Z bosons began at the Large Electron–Positron (LEP) collider experiments, the predecessor of the Large Hadron Collider (LHC). Taking full advantage of the LHC dataset and novel analysis techniques, the ATLAS Collaboration pioneered measurements of polarised boson scattering and observed the joint polarisation of W and Z bosons. Now, with yet more data and refined methods, physicists are tackling even rarer processes. Such measurements would either provide support for the Higgs mechanism or hint new physics beyond the Standard Model. In new results presented at a CERN seminar, the ATLAS Collaboration reported the first observation of ZZ events containing two longitudinally polarised Z bosons, together with evidence for longitudinally polarised Z bosons in electroweak WZ production accompanied by two particle jets – a process that is particularly sensitive to boson scattering. Observing two longitudinally polarised Z bosons Figure 1: The observed profile likelihood ratio as a function of the signal strength, which is defined as the measured production rate of two longitudinally polarised Z bosons divided by the theoretically predicted rate. The dashed horizontal lines indicate the thresholds corresponding to the 3 sigma and 5 sigma intervals. (Image: ATLAS Collaboration/CERN) Among the rare diboson processes, the simultaneous production of two longitudinally polarised Z bosons is one of the rarest. It is also one of the cleanest to study experimentally. Z bosons can decay into pairs of charged leptons (electrons or muons), whose decay kinematics can be fully reconstructed in the ATLAS experiment. The ATLAS Collaboration analysed 164 fb⁻¹ of proton–proton collision data collected at a centre-of-mass energy of 13.6 TeV between 2022 and 2024, selecting events where the Z bosons decay into two pairs of oppositely charged electrons or muons. The angular distributions of these leptons retain information about the polarisation of their parent bosons. To maximise sensitivity, researchers trained a multivariate classifier using these angular observables to distinguish events containing two longitudinally polarised Z bosons from those with other polarisation combinations. They then combined the Run-3 analysis with the corresponding Run-2 measurement to achieve the first observation of the simultaneous production of two longitudinally polarised Z bosons, with an observed (expected) significance of 6.5 (5.6) standard deviations (Figure 1). The team also measured the Z boson polarisation fractions both for the full dataset and in different ranges of the four-lepton invariant mass. Since the Standard Model predicts such events become increasingly rare at higher energies, these measurements provide an important test of the theory. The measured results agree well with Standard-Model predictions. Taking full advantage of the LHC dataset and novel analysis techniques, the ATLAS Collaboration are tackling extremely rare measurements of polarised bosons. Such studies would either provide support for the Higgs mechanism or hint new physics beyond the Standard Model. Longitudinal polarisation in boson scattering Figure 2: Measured polarised fractions of the W and Z bosons in electroweak WZjj production (WZjj-EW). The cross section for the WZjj-EW process (black line) is compared to the most detailed theoretical predictions (coloured dots). The dashed black line represents the uncertainty in the measurement. The fractions “f00” represent the case where both bosons are longitudinally polarised, “f0X” and “fX0” where either the W or the Z is longitudinally polarised, regardless of the polarisation of the Z or the W bosons, respectively. The ratio “μ_WZjj-EW” between the measured and the predicted production cross section of WZjj-EW is shown. (Image: ATLAS Collaboration/CERN) Longitudinally polarised bosons also offer a powerful way to test the Standard Model. When two such bosons scatter, they can exchange a Higgs boson. Without this contribution – or if the Higgs boson behaved differently from Standard Model predictions – the scattering rate would grow uncontrollably with energy, leading to a “resonance catastrophe”. Measuring the fraction of longitudinally polarised bosons provides a sensitive test of this mechanism. For the first time, the ATLAS Collaboration measured the boson polarisation fractions in electroweak production of a W and Z boson in association with two jets (electroweak WZjj production). This rare Standard Model process contains events where two quarks radiate weak bosons that subsequently scatter from one another. The analysis uses the full Run-2 dataset (recorded between 2015 and 2018) and Run-3 data collected from 2022 to 2024. As in the ZZ analysis, only decays of the W and Z bosons into electrons and muons were considered. This measurement was particularly challenging due to significant backgrounds from other processes, especially WZjj production via the strong interaction. In the signal region, only about 13% of selected events are expected to originate from electroweak WZjj production. Out of the total 1860 predicted events containing signal and background events, approximately 65 are expected to be electroweak WZjj events, which contain at least one longitudinally polarised W or Z boson, and just 20 are expected to contain two. Researchers employed advanced machine-learning techniques to isolate the tiny signal and identify the different boson polarisation states. A statistical fit extracted the overall electroweak WZjj production rate and the fractions of events containing one or two longitudinally polarised bosons. The measurements were compared with state-of-the-art theoretical predictions developed in close collaboration with theorists. The ATLAS Collaboration found evidence for longitudinally polarised Z bosons with an observed (expected) significance of 4.0 (2.9) standard deviations, corresponding to an observed (expected) longitudinal Z polarisation fraction of 32% ± 9% (27.45% ± 0.08%). The measured electroweak WZjj cross section agrees with predictions. No evidence was found for longitudinally polarised W bosons, regardless of the Z boson polarisation. The team set upper limits on these fractions. All measurements remain consistent with Standard-Model predictions within 2.4 standard deviations (see Figure 2). With the much larger datasets expected from the High-Luminosity LHC, physicists will be able to measure these rare polarisation states with new precision – providing increasingly sensitive tests of the Higgs mechanism and new opportunities to uncover physics beyond the Standard Model. About the banner image: Candidate event display of the pair production of Z bosons, with one Z boson decaying into an oppositely-charged electron pair and the other decaying into an oppositely-charged muon pair. Tracks of charged particles in the inner detector are shown as orange lines. Electron tracks are shown as green lines, with their deposited energy in the calorimeter represented as green rectangles. Muons are shown as red lines, with their “hit” information in the muon spectrometer represented by blue boxes around the muon track. Finally, energy deposits in the liquid-argon and tile calorimeter are shown as green/teal and yellow/orange boxes, respectively. (Image: ATLAS Collaboration/CERN) Learn more Observation of pair production of longitudinally polarized Z bosons in four-lepton final state with the ATLAS detector (arXiv:2607.12879, see figures) Evidence for longitudinally polarised Z bosons in electroweak WZ production in association with two jets from pp collisions at 13 TeV and 13.6 TeV with the ATLAS detector (STDM-2024-03) CERN Seminar presentation by L. Xu: No Time to Be Transverse: Probing Electroweak Symmetry Breaking with Longitudinal Weak Bosons at ATLAS |
| og:image | https://atlas.cern/sites/default/files/styles/full_image/public/2026-08/2e2mu_extrapolator.png?itok=0CGnVo0n |
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| Тип | Название | Значение |
|---|---|---|
| name | description | Official public website for the ATLAS Experiment at CERN |
| name | twitter:card | summary_large_image |
| name | twitter:description | While the Higgs mechanism is best known for breaking electroweak symmetry and giving fundamental particles mass, it can also leave a distinctive imprint on the polarisation of certain particles. A massless particle such as the photon only has two transverse polarisation states. By contrast, the massive W and Z bosons – the carriers of the weak force – have an additional longitudinal polarisation state, in which their spin is oriented perpendicular to their direction of motion. The existence of this extra state is a direct consequence of the Higgs mechanism. Measuring how often W and Z bosons are produced in different polarisation states thus offers a unique window into this fundamental process. Polarisation studies of W and Z bosons began at the Large Electron–Positron (LEP) collider experiments, the predecessor of the Large Hadron Collider (LHC). Taking full advantage of the LHC dataset and novel analysis techniques, the ATLAS Collaboration pioneered measurements of polarised boson scattering and observed the joint polarisation of W and Z bosons. Now, with yet more data and refined methods, physicists are tackling even rarer processes. Such measurements would either provide support for the Higgs mechanism or hint new physics beyond the Standard Model. In new results presented at a CERN seminar, the ATLAS Collaboration reported the first observation of ZZ events containing two longitudinally polarised Z bosons, together with evidence for longitudinally polarised Z bosons in electroweak WZ production accompanied by two particle jets – a process that is particularly sensitive to boson scattering. Observing two longitudinally polarised Z bosons Figure 1: The observed profile likelihood ratio as a function of the signal strength, which is defined as the measured production rate of two longitudinally polarised Z bosons divided by the theoretically predicted rate. The dashed horizontal lines indicate the thresholds corresponding to the 3 sigma and 5 sigma intervals. (Image: ATLAS Collaboration/CERN) Among the rare diboson processes, the simultaneous production of two longitudinally polarised Z bosons is one of the rarest. It is also one of the cleanest to study experimentally. Z bosons can decay into pairs of charged leptons (electrons or muons), whose decay kinematics can be fully reconstructed in the ATLAS experiment. The ATLAS Collaboration analysed 164 fb⁻¹ of proton–proton collision data collected at a centre-of-mass energy of 13.6 TeV between 2022 and 2024, selecting events where the Z bosons decay into two pairs of oppositely charged electrons or muons. The angular distributions of these leptons retain information about the polarisation of their parent bosons. To maximise sensitivity, researchers trained a multivariate classifier using these angular observables to distinguish events containing two longitudinally polarised Z bosons from those with other polarisation combinations. They then combined the Run-3 analysis with the corresponding Run-2 measurement to achieve the first observation of the simultaneous production of two longitudinally polarised Z bosons, with an observed (expected) significance of 6.5 (5.6) standard deviations (Figure 1). The team also measured the Z boson polarisation fractions both for the full dataset and in different ranges of the four-lepton invariant mass. Since the Standard Model predicts such events become increasingly rare at higher energies, these measurements provide an important test of the theory. The measured results agree well with Standard-Model predictions. Taking full advantage of the LHC dataset and novel analysis techniques, the ATLAS Collaboration are tackling extremely rare measurements of polarised bosons. Such studies would either provide support for the Higgs mechanism or hint new physics beyond the Standard Model. Longitudinal polarisation in boson scattering Figure 2: Measured polarised fractions of the W and Z bosons in electroweak WZjj production (WZjj-EW). The cross section for the WZjj-EW process (black line) is compared to the most detailed theoretical predictions (coloured dots). The dashed black line represents the uncertainty in the measurement. The fractions “f00” represent the case where both bosons are longitudinally polarised, “f0X” and “fX0” where either the W or the Z is longitudinally polarised, regardless of the polarisation of the Z or the W bosons, respectively. The ratio “μ_WZjj-EW” between the measured and the predicted production cross section of WZjj-EW is shown. (Image: ATLAS Collaboration/CERN) Longitudinally polarised bosons also offer a powerful way to test the Standard Model. When two such bosons scatter, they can exchange a Higgs boson. Without this contribution – or if the Higgs boson behaved differently from Standard Model predictions – the scattering rate would grow uncontrollably with energy, leading to a “resonance catastrophe”. Measuring the fraction of longitudinally polarised bosons provides a sensitive test of this mechanism. For the first time, the ATLAS Collaboration measured the boson polarisation fractions in electroweak production of a W and Z boson in association with two jets (electroweak WZjj production). This rare Standard Model process contains events where two quarks radiate weak bosons that subsequently scatter from one another. The analysis uses the full Run-2 dataset (recorded between 2015 and 2018) and Run-3 data collected from 2022 to 2024. As in the ZZ analysis, only decays of the W and Z bosons into electrons and muons were considered. This measurement was particularly challenging due to significant backgrounds from other processes, especially WZjj production via the strong interaction. In the signal region, only about 13% of selected events are expected to originate from electroweak WZjj production. Out of the total 1860 predicted events containing signal and background events, approximately 65 are expected to be electroweak WZjj events, which contain at least one longitudinally polarised W or Z boson, and just 20 are expected to contain two. Researchers employed advanced machine-learning techniques to isolate the tiny signal and identify the different boson polarisation states. A statistical fit extracted the overall electroweak WZjj production rate and the fractions of events containing one or two longitudinally polarised bosons. The measurements were compared with state-of-the-art theoretical predictions developed in close collaboration with theorists. The ATLAS Collaboration found evidence for longitudinally polarised Z bosons with an observed (expected) significance of 4.0 (2.9) standard deviations, corresponding to an observed (expected) longitudinal Z polarisation fraction of 32% ± 9% (27.45% ± 0.08%). The measured electroweak WZjj cross section agrees with predictions. No evidence was found for longitudinally polarised W bosons, regardless of the Z boson polarisation. The team set upper limits on these fractions. All measurements remain consistent with Standard-Model predictions within 2.4 standard deviations (see Figure 2). With the much larger datasets expected from the High-Luminosity LHC, physicists will be able to measure these rare polarisation states with new precision – providing increasingly sensitive tests of the Higgs mechanism and new opportunities to uncover physics beyond the Standard Model. About the banner image: Candidate event display of the pair production of Z bosons, with one Z boson decaying into an oppositely-charged electron pair and the other decaying into an oppositely-charged muon pair. Tracks of charged particles in the inner detector are shown as orange lines. Electron tracks are shown as green lines, with their deposited energy in the calorimeter represented as green rectangles. Muons are shown as red lines, with their “hit” information in the muon spectrometer represented by blue boxes around the muon track. Finally, energy deposits in the liquid-argon and tile calorimeter are shown as green/teal and yellow/orange boxes, respectively. (Image: ATLAS Collaboration/CERN) Learn more Observation of pair production of longitudinally polarized Z bosons in four-lepton final state with the ATLAS detector (arXiv:2607.12879, see figures) Evidence for longitudinally polarised Z bosons in electroweak WZ production in association with two jets from pp collisions at 13 TeV and 13.6 TeV with the ATLAS detector (STDM-2024-03) CERN Seminar presentation by L. Xu: No Time to Be Transverse: Probing Electroweak Symmetry Breaking with Longitudinal Weak Bosons at ATLAS |
| name | twitter:site | @atlasexperiment |
| name | twitter:title | Polarised bosons: a window into the Higgs mechanism |
| name | twitter:image | https://atlas.cern/sites/default/files/styles/full_image/public/2026-08/2e2mu_extrapolator.png?itok=0CGnVo0n |
| name | google-site-verification | 51j7GT9OEskA2UMGMSE0DqIXs3ZsQpFuJ-yJXQWHjII |
| name | Generator | Drupal 10 (https://www.drupal.org) |
| name | MobileOptimized | width |
| name | HandheldFriendly | true |
| name | viewport | width=device-width, initial-scale=1.0 |
| name | keywords | ATLAS, ATLAS experiment, The ATLAS Experiment, CERN, LHC, Large Hadron Collider, CMS, ALICE, LHCb, experiment, collaboration, international collaboration, scientific collaboration, particle, physics, particle physics, high-energy physics, science, science education, Higgs, SUSY, supersymmetry, dark matter, big bang, extra dimensions, heavy ion, hadron, black hole, universe, STEM, Geneva, Switzerland, Fabiola Gianotti, Peter Jenni, David Charlton, Karl Jakobs, Andreas Hoecker |
| name | google-site-verification | LnSC4eOPWgFs8j_slMqfJnEqqbIFAa4_yMmG2B_ZfUw |
| property | og:site_name | ATLAS |
| property | og:type | website |
| property | og:url | https://atlas.cern/Updates/Briefing/Polarised-Weak-Bosons |
| property | og:title | Polarised bosons: a window into the Higgs mechanism |
| property | og:description | While the Higgs mechanism is best known for breaking electroweak symmetry and giving fundamental particles mass, it can also leave a distinctive imprint on the polarisation of certain particles. A massless particle such as the photon only has two transverse polarisation states. By contrast, the massive W and Z bosons – the carriers of the weak force – have an additional longitudinal polarisation state, in which their spin is oriented perpendicular to their direction of motion. The existence of this extra state is a direct consequence of the Higgs mechanism. Measuring how often W and Z bosons are produced in different polarisation states thus offers a unique window into this fundamental process. Polarisation studies of W and Z bosons began at the Large Electron–Positron (LEP) collider experiments, the predecessor of the Large Hadron Collider (LHC). Taking full advantage of the LHC dataset and novel analysis techniques, the ATLAS Collaboration pioneered measurements of polarised boson scattering and observed the joint polarisation of W and Z bosons. Now, with yet more data and refined methods, physicists are tackling even rarer processes. Such measurements would either provide support for the Higgs mechanism or hint new physics beyond the Standard Model. In new results presented at a CERN seminar, the ATLAS Collaboration reported the first observation of ZZ events containing two longitudinally polarised Z bosons, together with evidence for longitudinally polarised Z bosons in electroweak WZ production accompanied by two particle jets – a process that is particularly sensitive to boson scattering. Observing two longitudinally polarised Z bosons Figure 1: The observed profile likelihood ratio as a function of the signal strength, which is defined as the measured production rate of two longitudinally polarised Z bosons divided by the theoretically predicted rate. The dashed horizontal lines indicate the thresholds corresponding to the 3 sigma and 5 sigma intervals. (Image: ATLAS Collaboration/CERN) Among the rare diboson processes, the simultaneous production of two longitudinally polarised Z bosons is one of the rarest. It is also one of the cleanest to study experimentally. Z bosons can decay into pairs of charged leptons (electrons or muons), whose decay kinematics can be fully reconstructed in the ATLAS experiment. The ATLAS Collaboration analysed 164 fb⁻¹ of proton–proton collision data collected at a centre-of-mass energy of 13.6 TeV between 2022 and 2024, selecting events where the Z bosons decay into two pairs of oppositely charged electrons or muons. The angular distributions of these leptons retain information about the polarisation of their parent bosons. To maximise sensitivity, researchers trained a multivariate classifier using these angular observables to distinguish events containing two longitudinally polarised Z bosons from those with other polarisation combinations. They then combined the Run-3 analysis with the corresponding Run-2 measurement to achieve the first observation of the simultaneous production of two longitudinally polarised Z bosons, with an observed (expected) significance of 6.5 (5.6) standard deviations (Figure 1). The team also measured the Z boson polarisation fractions both for the full dataset and in different ranges of the four-lepton invariant mass. Since the Standard Model predicts such events become increasingly rare at higher energies, these measurements provide an important test of the theory. The measured results agree well with Standard-Model predictions. Taking full advantage of the LHC dataset and novel analysis techniques, the ATLAS Collaboration are tackling extremely rare measurements of polarised bosons. Such studies would either provide support for the Higgs mechanism or hint new physics beyond the Standard Model. Longitudinal polarisation in boson scattering Figure 2: Measured polarised fractions of the W and Z bosons in electroweak WZjj production (WZjj-EW). The cross section for the WZjj-EW process (black line) is compared to the most detailed theoretical predictions (coloured dots). The dashed black line represents the uncertainty in the measurement. The fractions “f00” represent the case where both bosons are longitudinally polarised, “f0X” and “fX0” where either the W or the Z is longitudinally polarised, regardless of the polarisation of the Z or the W bosons, respectively. The ratio “μ_WZjj-EW” between the measured and the predicted production cross section of WZjj-EW is shown. (Image: ATLAS Collaboration/CERN) Longitudinally polarised bosons also offer a powerful way to test the Standard Model. When two such bosons scatter, they can exchange a Higgs boson. Without this contribution – or if the Higgs boson behaved differently from Standard Model predictions – the scattering rate would grow uncontrollably with energy, leading to a “resonance catastrophe”. Measuring the fraction of longitudinally polarised bosons provides a sensitive test of this mechanism. For the first time, the ATLAS Collaboration measured the boson polarisation fractions in electroweak production of a W and Z boson in association with two jets (electroweak WZjj production). This rare Standard Model process contains events where two quarks radiate weak bosons that subsequently scatter from one another. The analysis uses the full Run-2 dataset (recorded between 2015 and 2018) and Run-3 data collected from 2022 to 2024. As in the ZZ analysis, only decays of the W and Z bosons into electrons and muons were considered. This measurement was particularly challenging due to significant backgrounds from other processes, especially WZjj production via the strong interaction. In the signal region, only about 13% of selected events are expected to originate from electroweak WZjj production. Out of the total 1860 predicted events containing signal and background events, approximately 65 are expected to be electroweak WZjj events, which contain at least one longitudinally polarised W or Z boson, and just 20 are expected to contain two. Researchers employed advanced machine-learning techniques to isolate the tiny signal and identify the different boson polarisation states. A statistical fit extracted the overall electroweak WZjj production rate and the fractions of events containing one or two longitudinally polarised bosons. The measurements were compared with state-of-the-art theoretical predictions developed in close collaboration with theorists. The ATLAS Collaboration found evidence for longitudinally polarised Z bosons with an observed (expected) significance of 4.0 (2.9) standard deviations, corresponding to an observed (expected) longitudinal Z polarisation fraction of 32% ± 9% (27.45% ± 0.08%). The measured electroweak WZjj cross section agrees with predictions. No evidence was found for longitudinally polarised W bosons, regardless of the Z boson polarisation. The team set upper limits on these fractions. All measurements remain consistent with Standard-Model predictions within 2.4 standard deviations (see Figure 2). With the much larger datasets expected from the High-Luminosity LHC, physicists will be able to measure these rare polarisation states with new precision – providing increasingly sensitive tests of the Higgs mechanism and new opportunities to uncover physics beyond the Standard Model. About the banner image: Candidate event display of the pair production of Z bosons, with one Z boson decaying into an oppositely-charged electron pair and the other decaying into an oppositely-charged muon pair. Tracks of charged particles in the inner detector are shown as orange lines. Electron tracks are shown as green lines, with their deposited energy in the calorimeter represented as green rectangles. Muons are shown as red lines, with their “hit” information in the muon spectrometer represented by blue boxes around the muon track. Finally, energy deposits in the liquid-argon and tile calorimeter are shown as green/teal and yellow/orange boxes, respectively. (Image: ATLAS Collaboration/CERN) Learn more Observation of pair production of longitudinally polarized Z bosons in four-lepton final state with the ATLAS detector (arXiv:2607.12879, see figures) Evidence for longitudinally polarised Z bosons in electroweak WZ production in association with two jets from pp collisions at 13 TeV and 13.6 TeV with the ATLAS detector (STDM-2024-03) CERN Seminar presentation by L. Xu: No Time to Be Transverse: Probing Electroweak Symmetry Breaking with Longitudinal Weak Bosons at ATLAS |
| property | og:image | https://atlas.cern/sites/default/files/styles/full_image/public/2026-08/2e2mu_extrapolator.png?itok=0CGnVo0n |
Оптимизация Готовность: 82%
Структура
Ошибок нет
Семантические HTML-элементы страницы
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Проверяет наличие основных структурных элементов: nav, header, footer, main. Корректная семантическая структура помогает поисковику понять архитектуру страницы.
Структура документа корректна (теги <html> и <body> присутствуют по одному на документ).
Контент
Ошибок нет
Объём и качество текстового содержимого
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Анализирует объём полезного текста на странице. Слишком мало — страница может считаться малополезной. Слишком много — ухудшается читаемость и восприятие.
Слова из title 13 встречаются в тексте достаточно.
Абзацев с текстом 25 достаточно.
Среднее число слов в абзаце 40 достаточно.
Кол-во знаков контента 10070 на странице оптимально.
Кол-во слов 1493 на странице оптимально.
Заголовки
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Иерархия заголовков H1–H6
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H1 должен быть один и содержать ключевой запрос. H2–H6 описывают подразделы. Пропуск уровней (H1 → H3) и несколько H1 — типичные ошибки, снижающие понятность страницы для поисковика.
На странице присутствуют заголовки <h1> 3. Это прекрасно.
На странице присутствуют заголовки <h2> 3. Это хорошо.
На странице присутствуют заголовки <h3> 7.
Тошнота
5,48
Насколько одно слово доминирует в тексте
?
Классическая тошнота = √(частота самого повторяющегося слова). Норма до 7–8: текст воспринимается естественно. Выше — поисковик может счесть страницу переспамленной.
Тошнота превышает норму 3. Измените текст страницы!
Академич. тошнота
29,67%
Насколько текст перенасыщен ключевыми словами
?
Академическая тошнота = (частота слова / общее количество слов) × 100%. Показывает долю конкретного слова в тексте. Норма 5–15%.
Академическая тошнота превышает норму 5-15%. Измените текст страницы!
Семантическое ядро
20
Наиболее часто встречающиеся слова на странице
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Топ слов по частоте использования. Показывает, какие слова доминируют в тексте с точки зрения поисковика.
Контент страницы содержит осмысленный текст и слова.
Показать список слов
| Слово | Кол-во | Частота |
|---|---|---|
| bosons | 30 | 2,01% |
| polarised | 21 | 1,41% |
| polarisation | 17 | 1,14% |
| longitudinally | 17 | 1,14% |
| search | 15 | 1,00% |
| production | 15 | 1,00% |
| collaboration | 12 | 0,80% |
| electroweak | 11 | 0,74% |
| physics | 10 | 0,67% |
| standard | 10 | 0,67% |
| events | 10 | 0,67% |
| mechanism | 8 | 0,54% |
| measured | 7 | 0,47% |
| expected | 7 | 0,47% |
| measurements | 6 | 0,40% |
| fractions | 6 | 0,40% |
| predictions | 6 | 0,40% |
| briefing | 5 | 0,33% |
| analysis | 5 | 0,33% |
| observed | 5 | 0,33% |
Индексация Готовность: 30%
Индексирование
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Разрешено ли индексирование страницы
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Проверяет, не закрыта ли страница от индексации через robots.txt, meta robots или X-Robots-Tag. Страница, закрытая от индексации, не появится в поисковой выдаче.
Анкоров на странице 108 оптимально. Поисковые роботы обязательно проиндексируют сайт.
Robots.txt
Найден корректный robots.txt
Файл управления сканированием сайта роботами
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Robots.txt указывает поисковым роботам, какие страницы сканировать, а какие — нет. Ошибки в файле могут случайно закрыть важные разделы от индексации.
Robots.txt настроен корректно. Размер файла: 2043 байт. Загружен за: 0сек.
Проверяемая страница не запрещена в robots.txt.
Robots.txt доступен по постоянному адресу
Показать содержимое robots.txt
#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used: http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html
User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.md
Disallow: /composer/Metapackage/README.txt
Disallow: /composer/Plugin/ProjectMessage/README.md
Disallow: /composer/Plugin/Scaffold/README.md
Disallow: /composer/Plugin/VendorHardening/README.txt
Disallow: /composer/Template/README.txt
Disallow: /modules/README.txt
Disallow: /sites/README.txt
Disallow: /themes/README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /media/oembed
Disallow: /*/media/oembed
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed
Crawl-Delay: 20
Sitemap
Кол-во: 0
XML-карта сайта для поисковиков
?
Sitemap.xml помогает поисковику быстрее находить и индексировать страницы. Особенно важен для крупных сайтов и новых страниц, на которые ещё нет входящих ссылок.
Robots.txt не содержит ссылку на карту сайта. Рекомендуется добавить карту сайта и указать ссылку на нее в robots.txt.
Внутренние ссылки
Кол-во: 75
Ссылки на другие страницы своего сайта
?
Внутренние ссылки распределяют ссылочный вес между страницами и помогают поисковику обходить сайт. Пустые анкоры и ссылки на запрещённые robots.txt страницы — типичные ошибки.
Некоторые внутренние ссылки сайта 1шт запрещены к индексации поисковыми системами в robots.txt. Пройдитесь по списку внутренних ссылок: удалите ошибочные или исправьте файл robots.txt!
Внутренних ссылок на странице 75 оптимально.
На странице присутствуют изображения 10.
Показать внутренние ссылки
| Url | Анкор | Состояние |
|---|---|---|
| /user/login?destination=Updates/Briefing/Polarised-Weak-Bosons |
Sign in
|
Запрет в robots.txt
|
| /index%2Ephp/about |
About
|
|
| /index%2Ephp/Discover/Detector |
Discover
|
|
| /index%2Ephp/Discover/Detector |
Detector
|
|
| /index%2Ephp/Discover/Detector/Long-Shutdown-2 |
Long Shutdown 2
|
|
| /index%2Ephp/Discover/Physics |
Physics
|
|
| /index%2Ephp/Discover/Collaboration |
Collaboration
|
|
| /index%2Ephp/Discover/Collaboration/Management |
Management
|
|
| /index%2Ephp/Discover/Collaboration/Awards |
Awards
|
|
| /index%2Ephp/Discover/Collaboration/Join |
Join ATLAS
|
|
| /index%2Ephp/Discover/Collaboration/Join/Clustered-Institution |
Join as a Clustered Institution
|
|
| /index%2Ephp/Discover/Collaboration/Join/Technical-Associate-Institute |
Join as a Technical Associate Institute
|
|
| /index%2Ephp/Discover/Collaboration/Join/Associate-Institute |
Join as an Associate Institute
|
|
| /index%2Ephp/Discover/Collaboration/Join/Institution |
Join as an Institution
|
|
| /index%2Ephp/Discover/Visit |
Visit
|
|
| /index%2Ephp/Resources |
Resources
|
|
| /index%2Ephp/Resources/Press |
Press
|
|
| /index%2Ephp/Resources/Run-3 |
Run 3 Resources
|
|
| /index%2Ephp/Updates |
Updates
|
|
| /index%2Ephp/Updates |
All
|
|
| /index%2Ephp/Updates/Search |
All Search
|
|
| /index%2Ephp/Updates/News |
News
|
|
| /index%2Ephp/Updates/News/Search |
News Search
|
|
| /index%2Ephp/Updates/Briefing |
Briefings
|
|
| /index%2Ephp/Updates/Briefing/Search |
Briefings Search
|
|
| /index%2Ephp/Updates/Feature |
Features
|
|
| /index%2Ephp/Updates/Feature/Search |
Features Search
|
|
| /index%2Ephp/Updates/Portrait |
Portraits
|
|
| /index%2Ephp/Updates/Portrait/Search |
Portraits Search
|
|
| /index%2Ephp/Updates/Profile |
Profiles
|
|
| /index%2Ephp/Updates/Profile/Search |
Profiles Search
|
|
| /index%2Ephp/Updates/Press-Statement |
Press
|
|
| /index%2Ephp/Updates/Press-Statement/Search |
Press Search
|
|
| /index%2Ephp/Updates/Blog |
Blog
|
|
| /index%2Ephp/Updates/Blog/Search |
Blog Search
|
|
| /updates |
All
|
|
| /Updates/News |
News
|
|
| /Updates/Briefing |
Briefings
|
|
| /Updates/Feature |
Features
|
|
| /updates/portrait |
Portraits
|
|
| /Updates/Press-Statement |
Press
|
|
| /Updates/Blog |
Blog
|
|
| /feedback |
Feedback
|
|
| /Updates |
Updates
|
|
| /Updates/Briefing |
Briefing
|
|
| /physics-briefing |
Physics Briefing
|
|
| /Tags/ichep-2026 |
ICHEP 2026
|
|
| /Tags/polarisation |
polarisation
|
|
| /tags/z-boson |
Z boson
|
|
| /authors/atlas-collaboration |
ATLAS Collaboration
|
|
| /Glossary/polarisation |
polarisation
|
|
| /glossary/spin |
spin
|
|
| /Updates/Briefing/VBS-Polarisation |
polarised boson scattering
|
|
| /Updates/Physics-Briefing/WZ-Polarisation |
observed the joint polarisation of W and Z bosons
|
|
| /Updates/Briefing/DiHiggs-bbtautau |
|
|
| /Updates/Briefing/DiHiggs-bbtautau |
<h3><a href="/Updates/Briefing/DiHiggs-bbtautau" hreflang="en">ATLAS breaks its own record with new search for double-Higgs production</a></h3>
|
|
| /Updates/Briefing/DiHiggs-bbtautau |
ATLAS breaks its own record with new search for double-Higgs production
|
|
| /physics-briefing |
Physics Briefing
|
|
| /Updates/Briefing/Displaced-LLPs-Run3 |
|
|
| /Updates/Briefing/Displaced-LLPs-Run3 |
<h3><a href="/Updates/Briefing/Displaced-LLPs-Run3" hreflang="en">ATLAS deepens the search for long-lived particles with Run 3 data</a></h3>
|
|
| /Updates/Briefing/Displaced-LLPs-Run3 |
ATLAS deepens the search for long-lived particles with Run 3 data
|
|
| /physics-briefing |
Physics Briefing
|
|
| /index%2Ephp/Updates/Briefing/DeParT-Tagger |
|
|
| /index%2Ephp/Updates/Briefing/DeParT-Tagger |
<h3><a href="/index%2Ephp/Updates/Briefing/DeParT-Tagger" hreflang="en">DeParTing from tradition: AI sharpens quark vs gluon tagging</a></h3>
|
|
| /index%2Ephp/Updates/Briefing/DeParT-Tagger |
DeParTing from tradition: AI sharpens quark vs gluon tagging
|
|
| /index%2Ephp/physics-briefing |
Physics Briefing
|
|
| /resources/press |
Press
|
|
| /visit |
Visit
|
|
| /jobs |
Jobs
|
|
| /join |
Collaboration membership
|
|
| /glossary |
Glossary
|
|
| /design |
Logo & design guidelines
|
|
| /diversity |
Diversity & Inclusion
|
|
| /contact |
Inquiries
|
|
| /copyright |
ATLAS Experiment
©
|
|
Внешние ссылки
Кол-во: 26
Ссылки на сторонние сайты
?
Исходящие внешние ссылки передают часть ссылочного веса на чужие сайты. Ссылки на авторитетные ресурсы безопасны; ссылки на мусорные сайты могут навредить репутации страницы.
Внешних ссылок на странице 26 слишком много. Спрячьте лишние ссылки в тег noindex или атрибут rel='nofollow'!
Показать внешние ссылки
| Url | Анкор |
|---|---|
| https://home.cern |
CERN
<span>Accelerating science</span>
|
| https://cern.ch/directory |
Directory
|
| cern.ch |
Collaboration Site
|
| twiki.cern.ch |
Physics Results
|
| indico.cern.ch |
CERN seminar
|
| arxiv.org |
first observation of ZZ events containing two longitudinally polarised Z bosons
|
| atlas.web.cern.ch |
evidence for longitudinally polarised Z bosons in electroweak WZ production accompanied by two particle jets
|
| atlas.web.cern.ch |
<img alt="Polarization" data-entity-type="file" data-entity-uuid="cce4dd66-25e4-43c3-8218-81bc0ee221b3" src="/sites/default/files/inline-images/ATLAS-Polarization-Fig1.png" width="1845" height="1178">
|
| arxiv.org |
first observation of the simultaneous production of two longitudinally polarised Z bosons
|
| atlas.web.cern.ch |
<img alt="Polarization" data-entity-type="file" data-entity-uuid="ae5a480e-b8ee-431b-89a2-5fe5076cd555" src="/sites/default/files/inline-images/ATLAS-Polarization-Fig2.png" width="1921" height="1593">
|
| atlas.web.cern.ch |
measured the boson polarisation fractions in electroweak production of a W and Z boson in association with two jets
|
| cds.cern.ch |
banner image
|
| arxiv.org |
Observation of pair production of longitudinally polarized Z bosons in four-lepton final state with the ATLAS detector
|
| atlas.web.cern.ch |
see figures
|
| atlas.web.cern.ch |
Evidence for longitudinally polarised Z bosons in electroweak WZ production in association with two jets from pp collisions at 13 TeV and 13.6 TeV with the ATLAS detector
|
| indico.cern.ch |
No Time to Be Transverse: Probing Electroweak Symmetry Breaking with Longitudinal Weak Bosons at ATLAS
|
| cern.ch |
Collaboration Site
|
| twiki.cern.ch |
Physics Results
|
| https://www.youtube.com/c/ATLASExperiment |
<img alt="youtube" src="/sites/atlas-public.web.cern.ch/files/footer/follow-youtube.png" width="20">
|
| https://facebook.com/ATLASexperiment |
<img alt="facebook" src="/sites/atlas-public.web.cern.ch/files/footer/follow-facebook.png" width="18">
|
| https://bsky.app/profile/atlasexperiment.bsky.social |
<img alt="bluesky" src="/sites/atlas-public.web.cern.ch/files/footer/follow-bluesky.png" width="16">
|
| https://instagram.com/ATLASExperiment |
<img alt="instagram" src="/sites/atlas-public.web.cern.ch/files/footer/follow-instagram.png" width="18">
|
| https://www.tiktok.com/@atlasexperiment |
<img alt="tiktok" src="/sites/atlas-public.web.cern.ch/files/footer/follow-tiktok.png" width="18">
|
| https://twitter.com/ATLASexperiment |
<img alt="twitter" src="/sites/atlas-public.web.cern.ch/files/footer/follow-twitter.png" width="18">
|
| facebook.com |
<img alt="Ukraine" data-entity-type="file" data-entity-uuid="8fea43e1-fbb7-4d4b-b74d-89f503afbfc8" src="/sites/default/files/inline-images/Flag_of_Ukraine.svg__0.png" width="128" height="85">
|
| https://atlaspo.cern.ch/public/ATLASOrganisation |
Organisational chart
|
Конкуренты Готовность: 0%
Конкуренты в Яндексе
Кол-во: 0
Топ сайтов-конкурентов в Яндексе
?
Сайты, чаще всего появляющиеся в ТОПе Яндекса по запросам из семантического ядра этой страницы.
Мы не нашли у вас конкурентов в Яндексе. Сайт или очень молодой или плохо продвигается.
Конкурентов в ТОП-10 Яндекса не нашлось.
Конкуренты в Google
Кол-во: 0
Топ сайтов-конкурентов в Google
?
Сайты, чаще всего появляющиеся в ТОПе Google по запросам из семантического ядра этой страницы.
Конкуренты в Google тоже не найдены. Займитесь продвижением сайта!
Конкурентов в ТОП-10 Google не нашлось.
ЗоЗПП: права потребителей Готовность: 100%
Нарушения
Не выявлены
Признаков дистанционной продажи товаров (интернет-магазина) не обнаружено — требования ЗоЗПП о раскрытии информации продавца к сайту не применяются. Нарушений нет.
ФЗ-149: рекомендательные технологии Готовность: 100%
Нарушения
Не выявлены
Рекомендательные блоки («с этим покупают», «похожие товары» и т.п.) на сайте не обнаружены — требования ст. 10.7 ФЗ-149 к сайту не применяются. Нарушений нет.
ФЗ-38: реклама Готовность: 100%
Нарушения
Не выявлены
Рекламных тематик с обязательными оговорками (медицина, БАД, кредиты и займы, новостройки) на сайте не обнаружено. Нарушений нет.
ФЗ-436: защита детей Готовность: 100%
Нарушения
Не выявлены
Признаков информационной продукции (новости, видео, книги, игры, курсы) не обнаружено — обязательная возрастная маркировка по ФЗ-436 сайту не требуется. Нарушений нет.
Вердикт
Страница https://atlas.cern/Updates/Briefing/Polarised-Weak-Bosons готова к продвижению на 59%. Чтобы еще улучшить страницу и попасть на первые места поисковой выдачи необходимо:
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