Updated search for B+cBc+ decays to two charm mesons

Bibliografski detalji
Parent link:Journal of High Energy Physics
Vol. 2021, iss. 12.— 2021.— [117, 22 p.]
Autori kompanije: 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)
Daljnji autori: Aaij R. Roel, Abdelmotteleb A. S., Beteta C. A. Carlos Abellan, Panshin G. L. Gennady Leonidovich, Kharisova A. E. Anastasiya Evgenjevna
Sažetak:Title screen
A data set corresponding to an integrated luminosity of 9 fb−1 of proton-proton collisions collected by the LHCb experiment has been analysed to search for B+c→D(∗)+(s)(---)D(∗)0Bc+→D(s)(∗)+(---)D(∗)0 decays. The decays are fully or partially reconstructed, where one or two missing neutral pions or photons from the decay of an excited charm meson are allowed. Upper limits for the branching fractions, normalised to B+ decays to final states with similar topologies, are obtained for sixteen B+cBc+ decay modes. For the decay B+c→D+sD¯¯¯¯0Bc+→Ds+D¯0, an excess with a significance of 3.4 standard deviations is found.
Jezik:engleski
Izdano: 2021
Teme:
Online pristup:http://earchive.tpu.ru/handle/11683/72501
https://doi.org/10.1007/JHEP12(2021)117
Format: Elektronički Poglavlje knjige
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=667240