Updated search for B-c(+) decays to two charm mesons



Aaij, R, Abdelmotteleb, ASW, Beteta, C Abellan, Ackernley, T, Adeva, B, Adinolfi, M, Afsharnia, H, Agapopoulou, C, Aidala, CA, Aiola, S
et al (show 988 more authors) (2021) Updated search for B-c(+) decays to two charm mesons. JOURNAL OF HIGH ENERGY PHYSICS, 12 (12). 117-.

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Abstract

A data set corresponding to an integrated luminosity of $9 \text{fb}^{-1}$ of proton-proton collisions collected by the LHCb experiment has been analysed to search for $B_c^+ \to D^{(*)+}_{(s)} \overset{\scriptstyle (-)}{D}{}^{(*)0}$ 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 fourteen $B_c^+$ decay modes. For the decay $B_c^+ \to D_s^+ {\overline{D}}^0$, an excess with a significance of 3.4 standard deviations is found.

Item Type: Article
Additional Information: All figures and tables, along with any supplementary material and additional information, are available at https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2021-023.html (LHCb public pages)
Uncontrolled Keywords: B physics, Branching fraction, Flavor physics, Hadron-Hadron scattering (experiments)
Divisions: Faculty of Science and Engineering > School of Physical Sciences
Depositing User: Symplectic Admin
Date Deposited: 17 Jan 2022 09:19
Last Modified: 18 Jan 2023 21:16
DOI: 10.1007/JHEP12(2021)117
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3146837