Останні результати точних вимірювань на експерименті NA62
Experiment NA62 at CERN collected the world’s largest dataset of charged Kaons, the main goal being the measurement of the B (K+ → π+vv- ). New results from the analyses of rare kaon and pion decays using data samples collected in 2017–2018 are presented. A sample of K+ → π+γγ decays was collected u...
Збережено в:
| Дата: | 2024 |
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| Автори: | , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Publishing house "Academperiodika"
2024
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| Теми: | |
| Онлайн доступ: | https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2023511 |
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| Назва журналу: | Ukrainian Journal of Physics |
Репозитарії
Ukrainian Journal of Physics| Резюме: | Experiment NA62 at CERN collected the world’s largest dataset of charged Kaons, the main goal being the measurement of the B (K+ → π+vv- ). New results from the analyses of rare kaon and pion decays using data samples collected in 2017–2018 are presented. A sample of K+ → π+γγ decays was collected using a minimum-bias trigger and measurement of the branching ratio, study of the di-photon mass spectrum, and the first search for production and prompt decay of an axion-like particle with gluon coupling in the process K+ → π+A, A → γγ are reported. Additionally, a sample of π0 → e+e- decays was collected, using a dedicated scaled down di-electron trigger, and preliminary results for the branching ratio are reported. |
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