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

LHCb Collaboration; Roel Aaij; Marco Adinolfi; Jake Amey; Jozie Cottee Meldrum; Zahra Ghorbanimoghaddam; Richard G S Lane; Alex M Marshall; Camille A Normand; Konstantinos A.  Petridis; Jonas H Rademacker; Jake Reich; Anatoly Solomin; Jaap J Velthuis; Rui Wang; Benedict D C Westhenry; Zak Williams; et al.

doi:10.1007/JHEP10(2024)122

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

LHCb Collaboration
, Roel Aaij
, Marco Adinolfi
, Jake Amey
, Jozie Cottee Meldrum
, Zahra Ghorbanimoghaddam
, Richard G S Lane
, Alex M Marshall
, Camille A Normand
, Konstantinos A. Petridis
, Jonas H Rademacker
, Jake Reich
, Anatoly Solomin
, Jaap J Velthuis
, Rui Wang
, Benedict D C Westhenry
, Zak Williams
, et al.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

2 Citations (Scopus)

Abstract

The decays of the χ_b1(1P), χ_b2(1P), χ_b1(2P) and χ_b2(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.

Original language	English
Article number	122
Number of pages	28
Journal	Journal of High Energy Physics
Volume	2024
Issue number	10
DOIs	https://doi.org/10.1007/JHEP10(2024)122
Publication status	Published - 16 Oct 2024

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© The Author(s) 2024.

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LHCb Collaboration, Aaij, R., Adinolfi, M., Amey, J., Cottee Meldrum, J., Ghorbanimoghaddam, Z., Lane, R. G. S., Marshall, A. M., Normand, C. A., Petridis, K. A., Rademacker, J. H., Reich, J., Solomin, A., Velthuis, J. J., Wang, R., Westhenry, B. D. C., Williams, Z., & al., E. (2024). Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states. Journal of High Energy Physics, 2024(10), Article 122. https://doi.org/10.1007/JHEP10(2024)122

@article{0f2503572d0a4315b08cb94363345b35,

title = "Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states",

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.",

author = "\{LHCb Collaboration\} and Roel Aaij and Marco Adinolfi and Jake Amey and \{Cottee Meldrum\}, Jozie and Zahra Ghorbanimoghaddam and Lane, \{Richard G S\} and Marshall, \{Alex M\} and Normand, \{Camille A\} and Petridis, \{Konstantinos A.\} and Rademacker, \{Jonas H\} and Jake Reich and Anatoly Solomin and Velthuis, \{Jaap J\} and Rui Wang and Westhenry, \{Benedict D C\} and Zak Williams and et al.",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2024.",

year = "2024",

month = oct,

day = "16",

doi = "10.1007/JHEP10(2024)122",

language = "English",

volume = "2024",

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LHCb Collaboration, Aaij, R, Adinolfi, M, Amey, J, Cottee Meldrum, J, Ghorbanimoghaddam, Z, Lane, RGS, Marshall, AM, Normand, CA, Petridis, KA , Rademacker, JH, Reich, J, Solomin, A , Velthuis, JJ, Wang, R, Westhenry, BDC, Williams, Z & al., E 2024, 'Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states', Journal of High Energy Physics, vol. 2024, no. 10, 122. https://doi.org/10.1007/JHEP10(2024)122

TY - JOUR

T1 - Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states

AU - LHCb Collaboration

AU - Aaij, Roel

AU - Adinolfi, Marco

AU - Amey, Jake

AU - Cottee Meldrum, Jozie

AU - Ghorbanimoghaddam, Zahra

AU - Lane, Richard G S

AU - Marshall, Alex M

AU - Normand, Camille A

AU - Petridis, Konstantinos A.

AU - Rademacker, Jonas H

AU - Reich, Jake

AU - Solomin, Anatoly

AU - Velthuis, Jaap J

AU - Wang, Rui

AU - Westhenry, Benedict D C

AU - Williams, Zak

AU - al., et

PY - 2024/10/16

Y1 - 2024/10/16

N2 - 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.

AB - 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.

U2 - 10.1007/JHEP10(2024)122

DO - 10.1007/JHEP10(2024)122

M3 - Article (Academic Journal)

SN - 1029-8479

VL - 2024

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 10

M1 - 122

ER -

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

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