Simultaneous determination of CKM angle γ and charm mixing parameters; Journal of High Energy Physics; Vol. 2021, iss. 12

Simultaneous determination of CKM angle γ and charm mixing parameters; Journal of High Energy Physics; Vol. 2021, iss. 12

Podrobná bibliografie
Parent link:	Journal of High Energy Physics Vol. 2021, iss. 12.— 2021.— [141, 31 p.]
Korporace:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов, Национальный исследовательский Томский политехнический университет Инженерная школа информационных технологий и робототехники Отделение автоматизации и робототехники (ОАР)
Další autoři:	Aaij R. Roel, Abdelmotteleb A. S., Beteta C. A. Carlos Abellan, Panshin G. L. Gennady Leonidovich, Kharisova A. E. Anastasiya Evgenjevna
Shrnutí:	Title screen A combination of measurements sensitive to the CP violation angle γ of the Cabibbo-Kobayashi-Maskawa unitarity triangle and to the charm mixing parameters that describe oscillations between D0 and D¯¯¯¯D¯0 mesons is performed. Results from the charm and beauty sectors, based on data collected with the LHCb detector at CERN's Large Hadron Collider, are combined for the first time. This method provides an improvement on the precision of the charm mixing parameter y by a factor of two with respect to the current world average. The charm mixing parameters are determined to be x=(0.400+0.052−0.053)%x=(0.400−0.053+0.052)% and y = (0.630+0.033−0.030)%(0.630−0.030+0.033)%. The angle γ is found to be γ = (65.4+3.8−4.2)∘(65.4−4.2+3.8)∘ and is the most precise determination from a single experiment.
Jazyk:	angličtina
Vydáno:	2021
Témata:	электронный ресурс труды учёных ТПУ B physics Charm physics Hadron-Hadron scattering (experiments) CKM angle gamma CP violation
On-line přístup:	http://earchive.tpu.ru/handle/11683/72502 https://doi.org/10.1007/JHEP12(2021)141
Médium:	Elektronický zdroj Kapitola
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=667238

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