Updated measurements of the M1 transition ψ (3686) →γηc (2S) with ηc (2S) →k K  ̄ π

BESIII Collaboration

doi:10.1103/PhysRevD.109.032004

Updated measurements of the M1 transition ψ (3686) →γηc (2S) with ηc (2S) →k K ̄ π

BESIII Collaboration

Instituto de Alta Investigación

CAS - Institute of High Energy Physics
Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
Novosibirsk State University
Uppsala University
Zhengzhou University
Chinese Academy of Sciences
Johannes Gutenberg University Mainz
University of Turin
National Institute for Nuclear Physics
Liaoning Normal University
University of Science and Technology of China
Southeast University, Nanjing
Joint Institute for Nuclear Research
Peking University
National Centre for Nuclear Research
Mongolian Academy of Sciences
Carnegie Mellon University
University of Münster
Wuhan University
University of Chinese Academy of Sciences
Istinye University
Xinyang Normal University
Nankai University
Moscow Institute of Physics and Technology
Soochow University
Nanjing University
North China Electric Power University
Tsinghua University
CAS - Institute of Modern Physics
Jilin University
Hunan University
Chung-Ang University
Ruhr University Bochum
Shandong University
Yunnan University
Helmholtz Institute Mainz
University of Jinan
Liaoning University
University of Eastern Piedmont
Sun Yat-Sen University
University of Oxford
University of Ferrara
University of Manchester
GSI Helmholtz Centre for Heavy Ion Research
Guangxi University
Henan University of Technology
Nanjing Normal University
Shandong Normal University
Fudan University
Henan Normal University
University of Hawai'i at Mānoa
Suranaree University of Technology
South China Normal University
University of the Punjab
Indiana University Bloomington
Hangzhou Normal University
Huangshan College
University of Groningen
China University of Geosciences, Wuhan
Justus Liebig University Giessen
Indian Institute of Technology Madras
Qufu Normal University
Beijing Institute of Petrochemical Technology
Lanzhou University
Sichuan University
Guangxi Normal University
Shanxi University
Central China Normal University
Henan University of Science and Technology
University of South China
Central South University
Zhejiang University
Goethe University Frankfurt
COMSATS University Islamabad
University of Perugia
Universidad de Tarapacá
Petersburg Nuclear Physics Institute (PNPI)
Hunan Normal University
Shanxi Normal University
Near East University
Hebei University
University of Science and Technology Liaoning
Inner Mongolia University
Yantai University
Shanghai Jiao Tong University
Ministry of Education of the People's Republic of China
China Center of Advanced Science and Technology World Laboratory
Beihang University
Henan University

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7 Citas (Scopus)

Resumen

Based on a data sample of (2712.4±14.3)×106ψ(3686) events collected with the BESIII detector at the BEPCII collider, the M1 transition ψ(3686)→γηc(2S) with ηc(2S)→KK̄π is studied, where KK̄π is K+K-π0 or KS0K±π∓. The mass and width of the ηc(2S) are measured to be (3637.8±0.8(stat)±0.2(syst)) MeV/c2 and (10.5±1.7(stat)±3.5(syst)) MeV, respectively. The product branching fraction B(ψ(3686)→γηc(2S))×B(ηc(2S)→KK̄π) is determined to be (0.97±0.06(stat)±0.09(syst))×10-5. Using B(ηc(2S)→KK̄π)=(1.86-0.49+0.68)%, we obtain the branching fraction of the radiative transition to be B(ψ(3686)→γηc(2S))=(5.2±0.3(stat)±0.5(syst)-1.4+1.9(extr))×10-4, where the third uncertainty is due to the quoted B(ηc(2S)→KK̄π).

Idioma original	Inglés
Número de artículo	032004
Publicación	Physical Review D
Volumen	109
N.º	3
DOI	https://doi.org/10.1103/PhysRevD.109.032004
Estado	Publicada - 1 feb 2024

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@article{46e3107f8f7347748589c29703540b1b,

title = "Updated measurements of the M1 transition ψ (3686) →γηc (2S) with ηc (2S) →k K{\= } π",

abstract = "Based on a data sample of (2712.4±14.3){\texttimes}106ψ(3686) events collected with the BESIII detector at the BEPCII collider, the M1 transition ψ(3686)→γηc(2S) with ηc(2S)→K{\=K}π is studied, where K{\=K}π is K+K-π0 or KS0K±π∓. The mass and width of the ηc(2S) are measured to be (3637.8±0.8(stat)±0.2(syst)) MeV/c2 and (10.5±1.7(stat)±3.5(syst)) MeV, respectively. The product branching fraction B(ψ(3686)→γηc(2S)){\texttimes}B(ηc(2S)→K{\=K}π) is determined to be (0.97±0.06(stat)±0.09(syst)){\texttimes}10-5. Using B(ηc(2S)→K{\=K}π)=(1.86-0.49+0.68)\%, we obtain the branching fraction of the radiative transition to be B(ψ(3686)→γηc(2S))=(5.2±0.3(stat)±0.5(syst)-1.4+1.9(extr)){\texttimes}10-4, where the third uncertainty is due to the quoted B(ηc(2S)→K{\=K}π).",

author = "M. Ablikim and Achasov, \{M. N.\} and P. Adlarson and Ai, \{X. C.\} and S. Kabana and \{The BESIII collaboration\}",

note = "Publisher Copyright: {\textcopyright} 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the {"}https://creativecommons.org/licenses/by/4.0/{"}Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.",

year = "2024",

month = feb,

day = "1",

doi = "10.1103/PhysRevD.109.032004",

language = "English",

volume = "109",

journal = "Physical Review D",

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TY - JOUR

T1 - Updated measurements of the M1 transition ψ (3686) →γηc (2S) with ηc (2S) →k K ̄ π

AU - Ablikim, M.

AU - Achasov, M. N.

AU - Adlarson, P.

AU - Ai, X. C.

AU - Kabana, S.

AU - The BESIII collaboration

N1 - Publisher Copyright: © 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

PY - 2024/2/1

Y1 - 2024/2/1

N2 - Based on a data sample of (2712.4±14.3)×106ψ(3686) events collected with the BESIII detector at the BEPCII collider, the M1 transition ψ(3686)→γηc(2S) with ηc(2S)→KK̄π is studied, where KK̄π is K+K-π0 or KS0K±π∓. The mass and width of the ηc(2S) are measured to be (3637.8±0.8(stat)±0.2(syst)) MeV/c2 and (10.5±1.7(stat)±3.5(syst)) MeV, respectively. The product branching fraction B(ψ(3686)→γηc(2S))×B(ηc(2S)→KK̄π) is determined to be (0.97±0.06(stat)±0.09(syst))×10-5. Using B(ηc(2S)→KK̄π)=(1.86-0.49+0.68)%, we obtain the branching fraction of the radiative transition to be B(ψ(3686)→γηc(2S))=(5.2±0.3(stat)±0.5(syst)-1.4+1.9(extr))×10-4, where the third uncertainty is due to the quoted B(ηc(2S)→KK̄π).

AB - Based on a data sample of (2712.4±14.3)×106ψ(3686) events collected with the BESIII detector at the BEPCII collider, the M1 transition ψ(3686)→γηc(2S) with ηc(2S)→KK̄π is studied, where KK̄π is K+K-π0 or KS0K±π∓. The mass and width of the ηc(2S) are measured to be (3637.8±0.8(stat)±0.2(syst)) MeV/c2 and (10.5±1.7(stat)±3.5(syst)) MeV, respectively. The product branching fraction B(ψ(3686)→γηc(2S))×B(ηc(2S)→KK̄π) is determined to be (0.97±0.06(stat)±0.09(syst))×10-5. Using B(ηc(2S)→KK̄π)=(1.86-0.49+0.68)%, we obtain the branching fraction of the radiative transition to be B(ψ(3686)→γηc(2S))=(5.2±0.3(stat)±0.5(syst)-1.4+1.9(extr))×10-4, where the third uncertainty is due to the quoted B(ηc(2S)→KK̄π).

UR - https://www.scopus.com/pages/publications/85185285509

U2 - 10.1103/PhysRevD.109.032004

DO - 10.1103/PhysRevD.109.032004

M3 - Article

AN - SCOPUS:85185285509

SN - 2470-0010

VL - 109

JO - Physical Review D

JF - Physical Review D

IS - 3

M1 - 032004

ER -

Updated measurements of the M1 transition ψ (3686) →γηc (2S) with ηc (2S) →k K ̄ π

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