Search for the radiative Ξ<sub>b</sub><SUP>-</SUP> → Ξ<SUP>-</SUP>γ decay



Aaij, R, Abdelmotteleb, ASW, Beteta, C Abellan, Ackernley, T, Adeva, B, Adinolfi, M, Afsharnia, H, Aidala, CA, Aiola, S, Ajaltouni, Z
et al (show 988 more authors) (2022) Search for the radiative Ξ<sub>b</sub><SUP>-</SUP> → Ξ<SUP>-</SUP>γ decay. JOURNAL OF HIGH ENERGY PHYSICS, 2022 (1). 69-.

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Abstract

The first search for the rare radiative decay $\Xi_b^- \to \Xi^- \gamma$ is performed using data collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.4 fb$^{-1}$. The $\Xi_b- \to \Xi^- J/\psi$ channel is used as normalization. No $\Xi_b^- \to \Xi^- \gamma$ signal is found and an upper limit of $\mathcal{B}(\Xi_b^- \to \Xi^- \gamma) < 1.3 \times 10^{-4}$ at 95% confidence level is obtained.

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-2021-017.html (LHCb public pages)
Uncontrolled Keywords: B physics, Flavor physics, Hadron-Hadron scattering (experiments), Rare decay
Divisions: Faculty of Science and Engineering > School of Physical Sciences
Depositing User: Symplectic Admin
Date Deposited: 02 Sep 2021 09:20
Last Modified: 14 Mar 2024 22:54
DOI: 10.1007/JHEP01(2022)069
Open Access URL: https://link.springer.com/article/10.1007/JHEP01(2...
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URI: https://livrepository.liverpool.ac.uk/id/eprint/3134960