Search for the B c + → χc1(3872)π+ decay
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13130_2025_Article_26329.pdf
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Author(s)
Aaij, R.
Abdelmotteleb, A. S. W.
Abellan Beteta, C.
Abudinén, F.
Ackernley, T.
Adefisoye, A. A.
Adeva, B.
Adinolfi, M.
Adlarson, P.
Agapopoulou, C.
Date Issued
June 3, 2025
Journal
Journal of High Energy Physics
Publisher
Springer Berlin Heidelberg
Citation
The LHCb collaboration., Aaij, R., Abdelmotteleb, A.S.W. et al. Search for the B+ c → χc1(3872)π + decay. J. High Energ. Phys. 2025, 13 (2025).
Version
Final published version
Abstract
A search for the decay B c + → χc1(3872)π+ is reported using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass energies of 7, 8, and 13 TeV, corresponding to an integrated luminosity of 9 fb−1. No significant signal is observed. Using the decay B c + → ψ(2S)π+ as a normalisation channel, an upper limit for the ratio of branching fractions R ψ 2 S χ c 1 3872 = B B c + → χ c 1 3872 π + B B c + → ψ 2 S π + × B χ c 1 3872 → J / ψ π + π − B ψ 2 S → J / ψ π + π − < 0.05 0.06 , is set at the 90 (95)% confidence level.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
https://doi.org/10.1007/JHEP06(2025)013
