Search for the radiative Ξ−b → Ξ−γ decay
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13130_2022_Article_17561.pdf
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Author(s)
Aaij, R.
Abdelmotteleb, A. S. W.
Abellán Beteta, C.
Ackernley, T.
Adeva, B.
Adinolfi, M.
Afsharnia, H.
Aidala, C. A.
Aiola, S.
Ajaltouni, Z.
Date Issued
January 14, 2022
Publisher
Springer Berlin Heidelberg
Citation
Journal of High Energy Physics. 2022 Jan 14;2022(1):69
Version
Final published version
Abstract
Abstract
The first search for the rare radiative decay
Ξ
b
−
$$ {\Xi}_b^{-} $$
→ Ξ−γ 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
Ξ
b
−
$$ {\Xi}_b^{-} $$
→ Ξ−J/ψ channel is used as normalization. No
Ξ
b
−
$$ {\Xi}_b^{-} $$
→ Ξ−γ signal is found and an upper limit of
B
$$ \mathcal{B} $$
(
Ξ
b
−
$$ {\Xi}_b^{-} $$
→ Ξ−γ) < 1.3 × 10−4 at 95% confidence level is obtained.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Terms of Use
Creative Commons Attribution
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DOI of Published Version
https://doi.org/10.1007/JHEP01(2022)069
