Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states

Author(s)
Aaij, R.; Abdelmotteleb, A. S. W.; Abellan Beteta, C.; Abudinén, F.; Ackernley, T.; ... Show more
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Abstract
The decays of the χb1(1P), χb2(1P), χb1(2P) and χb2(2P) mesons into the Υ(1S)μ+μ− final state are observed with a high significance using proton-proton collision data collected with the LHCb detector and corresponding to an integrated luminosity of 9 fb−1. The newly observed decays together with the Υ(2S) → Υ(1S)π+π− and Υ(3S) → Υ(2S)π+π− decay modes are used for precision measurements of the mass and mass splittings for the hidden-beauty states.
Date issued
2024-10-16
URI
https://hdl.handle.net/1721.1/157418
Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Journal of High Energy Physics
Publisher
Springer Berlin Heidelberg
Citation
The LHCb collaboration., Aaij, R., Abdelmotteleb, A.S.W. et al. Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states. J. High Energ. Phys. 2024, 122 (2024).
Version: Final published version
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