Measurement of CP Violation in the Decay B+→K+π0; Physical Review Letters; Vol. 126, iss. 9

Measurement of CP Violation in the Decay B+→K+π0; Physical Review Letters; Vol. 126, iss. 9

Bibliografische gegevens
Parent link:	Physical Review Letters Vol. 126, iss. 9.— 2021.— [091802, 11 p.]
Coauteurs:	Национальный исследовательский Томский политехнический университет Инженерная школа информационных технологий и робототехники, Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Andere auteurs:	Aaij R. Roel, Beteta C. A. Carlos Abellan, Ackernley T., Adeva B. Bernardo, Eydelman S. I. Semen Isaakovich, Kharisova A. E. Anastasiya Evgenjevna, Panshin G. L. Gennady Leonidovich
Samenvatting:	Title screen A measurement of CP violation in the decay B+→K+π0 is reported using data corresponding to an integrated luminosity of 5.4 fb−1 collected with the LHCb experiment at a center-of-mass energy of √s=13 TeV. The CP asymmetry is measured to be 0.025±0.015±0.006±0.003, where the uncertainties are statistical, systematic, and due to an external input. This is the most precise measurement of this quantity. It confirms and significantly enhances the observed anomalous difference between the direct CP asymmetries of the B0→K+π− and B+→K+π0 decays, known as the Kπ puzzle.
Taal:	Engels
Gepubliceerd in:	2021
Onderwerpen:	электронный ресурс труды учёных ТПУ
Online toegang:	https://doi.org/10.1103/PhysRevLett.126.091802
Formaat:	Elektronisch Hoofdstuk
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664708

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