Measurement of two-photon decay width of xc2(1P) in ??? xc2(1P) ? J/????????i? at Belle

Y. Seino; K. Hayasaka; S. Uehara; I. Adachi; H. Aihara; S. Al Said; D. M. Asner; H. Atmacan; T. Aushev; R. Ayad; V. Babu; S. Bahinipati; P. Behera; K. Belous; J. Bennett; M. Bessner; V. Bhardwaj; B. Bhuyan; T. Bilka; D. Bodrov; G. Bonvicini; J. Borah; A. Bozek; M. Bracko; P. Branchini; T. E. Browder; A. Budano; M. Campajola; D. Cervenkov; M. -C. Chang; P. Chang; V. Chekelian; A. Chen; B. G. Cheon; K. Chilikin; H. E. Cho; K. Cho; S. -J. Cho; S. -K. Choi; Y. Choi; S. Choudhury; D. Cinabro; S. Das; G. De Pietro; R. Dhamija; F. Di Capua; J. Dingfelder; Z. Dolezal; T. V. Dong; D. Epifanov; T. Ferber; D. Ferlewicz; B. G. Fulsom; R. Garg; V. Gaur; N. Gabyshev; A. Garmash; A. Giri; P. Goldenzweig; E. Graziani; C. Hadjivasiliou; H. Hayashii; W. -S. Hou; C. -L. Hsu; K. Inami; N. Ipsita; A. Ishikawa; R. Itoh; M. Iwasaki; W. W. Jacobs; E. -J. Jang; S. Jia; Y. Jin; K. K. Joo; H. Kakuno; K. H. Kang; G. Karyan; T. Kawasaki; C. Kiesling; C. H. Kim; D. Y. Kim; K. -H. Kim; Y. -K. Kim; P. Kodys; T. Konno; A. Korobov; S. Korpar; E. Kovalenko; P. Krizan; P. Krokovny; M. Kumar; R. Kumar; K. Kumara; T. Lam; J. S. Lange; S. C. Lee; C. H. Li; J. Li; L. K. Li; Y. Li; Y. B. Li; L. Li Gioi; J. Libby; K. Lieret; M. Masuda; T. Matsuda; D. Matvienko; S. K. Maurya; F. Meier; M. Merola; K. Miyabayashi; H. Miyata; R. Mizuk; G. B. Mohanty; M. Mrvar; R. Mussa; M. Nakao; Z. Natkaniec; A. Natochii; L. Nayak; M. Nayak; M. Niiyama; N. K. Nisar; S. Nishida; S. Ogawa; H. Ono; Y. Onuki; P. Oskin; P. Pakhlov; G. Pakhlova; S. Pardi; H. Park; S. -H. Park; S. Patra; S. Paul; T. K. Pedlar; R. Pestotnik; L. E. Piilonen; T. Podobnik; E. Prencipe; M. T. Prim; N. Rout; G. Russo; S. Sandilya; A. Sangal; L. Santelj; T. Sanuki; V. Savinov; G. Schnell; J. Schueler; C. Schwanda; K. Senyo; M. E. Sevior; M. Shapkin; C. Sharma; C. P. Shen; J. -G. Shiu; J. B. Singh; A. Sokolov; E. Solovieva; M. Staric; Z. S. Stottler; J. F. Strube; M. Sumihama; K. Sumisawa; T. Sumiyoshi; M. Takizawa; U. Tamponi; K. Tanida; F. Tenchini; M. Uchida; T. Uglov; Y. Unno; K. Uno; S. Uno; R. van Tonder; G. Varner; A. Vinokurova; E. Waheed; E. Wang; M. -Z. Wang; X. L. Wang; M. Watanabe; S. Watanuki; E. Won; B. D. Yabsley; W. Yan; S. B. Yang; J. H. Yin; C. Z. Yuan; Y. Yusa; Y. Zhai; Z. P. Zhang; V. Zhilich; V. Zhukova; V. Zhulanov; Belle Collaboration

doi:10.1007/JHEP01(2023)160

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Measurement of two-photon decay width of xc2(1P) in ??? xc2(1P) ? J/????????i? at Belle

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Measurement of two-photon decay width of xc2(1P) in ??? xc2(1P) ? J/????????i? at Belle

Y. Seino, K. Hayasaka, S. Uehara, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, H. Atmacan, T. Aushev, R. Ayad, …

The journal of high energy physics, (1)

30/01/2023

DOI: https://doi.org/10.1007/JHEP01(2023)160

Abstract

Physical Sciences

Physics

Physics, Particles & Fields

Science & Technology

We report the measurement of the two-photon decay width of chi c2(1P) in two-photon processes at the Belle experiment. We analyze the process gamma gamma ->chi c2(1P)-> J/psi gamma, J/psi -> l(+)l(-) (l=e or mu) using a data sample of 971 fb(-1) collected with the Belle detector at the KEKB e(+)e(-) collider. In this analysis, the product of the two-photon decay width of chi c2(1P) and the branching fraction is determined to be gamma gamma gamma(chi c2(1P))B(chi c2(1P)-> J/psi gamma)B(J/psi -> l(+)l(-))=14.8 +/- 0.3(stat.) +/- 0.7(syst.) eV, which corresponds to gamma gamma gamma(chi c2(1P)) = 653 +/- 13(stat.) +/- 31(syst.) +/- 17(B.R.) eV, where the third uncertainty is from B(chi c2(1P)-> J/psi gamma) and B(J/psi -> l(+)l(-)).

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Title: Measurement of two-photon decay width of xc2(1P) in ??? xc2(1P) ? J/????????i? at Belle
Creators - without role: Y. Seino
K. Hayasaka
S. Uehara
I. Adachi
H. Aihara
S. Al Said
D. M. Asner
H. Atmacan
T. Aushev
R. Ayad
V. Babu
S. Bahinipati
P. Behera
K. Belous
J. Bennett
M. Bessner
V. Bhardwaj
B. Bhuyan
T. Bilka
D. Bodrov
G. Bonvicini
J. Borah
A. Bozek
M. Bracko
P. Branchini
T. E. Browder
A. Budano
M. Campajola
D. Cervenkov
M. -C. Chang
P. Chang
V. Chekelian
A. Chen
B. G. Cheon
K. Chilikin
H. E. Cho
K. Cho
S. -J. Cho
S. -K. Choi
Y. Choi
S. Choudhury
D. Cinabro
S. Das
G. De Pietro
R. Dhamija
F. Di Capua
J. Dingfelder
Z. Dolezal
T. V. Dong
D. Epifanov
T. Ferber
D. Ferlewicz
B. G. Fulsom
R. Garg
V. Gaur
N. Gabyshev
A. Garmash
A. Giri
P. Goldenzweig
E. Graziani
C. Hadjivasiliou
H. Hayashii
W. -S. Hou
C. -L. Hsu
K. Inami
N. Ipsita
A. Ishikawa
R. Itoh
M. Iwasaki
W. W. Jacobs
E. -J. Jang
S. Jia
Y. Jin
K. K. Joo
H. Kakuno
K. H. Kang
G. Karyan
T. Kawasaki
C. Kiesling
C. H. Kim
D. Y. Kim
K. -H. Kim
Y. -K. Kim
P. Kodys
T. Konno
A. Korobov
S. Korpar
E. Kovalenko
P. Krizan
P. Krokovny
M. Kumar
R. Kumar
K. Kumara
T. Lam
J. S. Lange
S. C. Lee
C. H. Li
J. Li
L. K. Li
Y. Li
Y. B. Li
L. Li Gioi
J. Libby
K. Lieret
M. Masuda
T. Matsuda
D. Matvienko
S. K. Maurya
F. Meier
M. Merola
K. Miyabayashi
H. Miyata
R. Mizuk
G. B. Mohanty
M. Mrvar
R. Mussa
M. Nakao
Z. Natkaniec
A. Natochii
L. Nayak
M. Nayak
M. Niiyama
N. K. Nisar
S. Nishida
S. Ogawa
H. Ono
Y. Onuki
P. Oskin
P. Pakhlov
G. Pakhlova
S. Pardi
H. Park
S. -H. Park
S. Patra
S. Paul
T. K. Pedlar
R. Pestotnik
L. E. Piilonen
T. Podobnik
E. Prencipe
M. T. Prim
N. Rout
G. Russo
S. Sandilya
A. Sangal
L. Santelj
T. Sanuki
V. Savinov
G. Schnell
J. Schueler
C. Schwanda
K. Senyo
M. E. Sevior
M. Shapkin
C. Sharma
C. P. Shen
J. -G. Shiu
J. B. Singh
A. Sokolov
E. Solovieva
M. Staric
Z. S. Stottler
J. F. Strube
M. Sumihama
K. Sumisawa
T. Sumiyoshi
M. Takizawa
U. Tamponi
K. Tanida
F. Tenchini
M. Uchida
T. Uglov
Y. Unno
K. Uno
S. Uno
R. van Tonder
G. Varner
A. Vinokurova
E. Waheed
E. Wang
M. -Z. Wang
X. L. Wang
M. Watanabe
S. Watanuki
E. Won
B. D. Yabsley
W. Yan
S. B. Yang
J. H. Yin
C. Z. Yuan
Y. Yusa
Y. Zhai
Z. P. Zhang
V. Zhilich
V. Zhukova
V. Zhulanov
Belle Collaboration
Publication Details: The journal of high energy physics, (1)
Publisher: Springer Nature
Number of pages: 20
Grant note: Radiation Science Research Institute, Foreign Large-size Research Facility Application Supporting project Ministry of Education of Taiwan; Ministry of Education, Taiwan DP180102629; DP170102389; DP170102204; DE220100462; DP150103061; FT130100303 / Australian Research Council Ministry of Science and Technology of Taiwan; Ministry of Science and Technology, Taiwan ZR2022JQ02 / Shandong Provincial Natural Science Foundation; Natural Science Foundation of Shandong Province S-1440-0321; S-0256-1438; S-0280-1439 / University of Tabuk Department of Science and Technology of India; Department of Science & Technology (India) 22-18469S / Czech Science Foundation; Grant Agency of the Czech Republic Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan; Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) Istituto Nazionale di Fisica Nucleare of Italy; Istituto Nazionale di Fisica Nucleare (INFN) HSE University Basic Research Program, Moscow Austrian Federal Ministry of Education, Science and Research (FWF) 884719 / Horizon 2020 ERC Advanced Grant; European Research Council (ERC) Ikerbasque, Basque Foundation for Science, Spain J1-9124; P1-0135 / Slovenian Research Agency; Slovenian Research Agency - Slovenia Deutsche Forschungsgemeinschaft; German Research Foundation (DFG) Volkswagen-Stiftung; Volkswagen Polish Ministry of Science and Higher Education; Ministry of Science and Higher Education, Poland Japan Society for the Promotion of Science (JSPS); Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT); Japan Society for the Promotion of Science 11675166; 11705209; 11975076; 12135005; 12175041; 12161141008 / National Natural Science Foundation of China; National Natural Science Foundation of China (NSFC) DE220100462 / Australian Research Council Tau-Lepton Physics Research Center of Nagoya University 2016R1D1A1B02012900; 2018R1A2B3003643; 2018R1A6A1A06024970; RS202200197659; 2019R1I1A3A01058933; 2021R1A6A1A03043957; 2021R1F1A1060423; 2021R1F1A1064008; 2022R1A2C1003993 / National Research Foundation (NRF) of Korea; National Research Foundation of Korea KREONET/GLORIAD Swiss National Science Foundation; Swiss National Science Foundation (SNSF) P 31361-N36 / FWF Austrian Science Fund; Austrian Science Fund (FWF) LTT17020 / Ministry of Education, Youth and Sports of the Czech Republic; Ministry of Education, Youth & Sports - Czech Republic RTI 4002 / Department of Atomic Energy; Department of Atomic Energy (DAE) United States Department of Energy; United States Department of Energy (DOE) Excellence Cluster Universe 14.W03.31.0026 / Ministry of Science and Higher Education of the Russian Federation National Science Foundation; National Science Foundation (NSF) Global Science Experimental Data Hub Center of the Korea Instituteof Science and Technology Information Carl Zeiss Foundation QYZDJ-SSW-SLH011 / Key Research Program of Frontier Sciences, Chinese Academy of Sciences (CAS) 947006 / ERC; European Research Council (ERC); European Commission National Science Center; National Science Centre, Poland
Identifiers: 9933771608331
Academic Unit: University of Tabuk; King Abdulaziz University; King Abdullah University of Science & Technology
Language: English
Resource Type: Journal article