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Measurement of Two-Particle Correlations of Hadrons in e^{+}e^{-} Collisions at Belle.

Publication ,  Journal Article
Chen, Y-C; Lee, Y-J; Chang, P; Adachi, I; Aihara, H; Al Said, S; Asner, DM; Aushev, T; Ayad, R; Babu, V; Behera, P; Belous, K; Bennett, J ...
Published in: Physical review letters
April 2022

The measurement of two-particle angular correlation functions in high-multiplicity e^{+}e^{-} collisions at sqrt[s]=10.52  GeV is reported. In this study, the 89.5  fb^{-1} of hadronic e^{+}e^{-} annihilation data collected by the Belle detector at KEKB are used. Two-particle angular correlation functions are measured in the full relative azimuthal angle (Δϕ) and three units of pseudorapidity (Δη), defined by either the electron beam axis or the event-shape thrust axis, and are studied as a function of charged-particle multiplicity. The measurement in the thrust axis analysis, with mostly outgoing quark pairs determining the reference axis, is sensitive to the region of additional soft gluon emissions. No significant anisotropic collective behavior is observed with either coordinate analyses. Near-side jet correlations appear to be absent in the thrust axis analysis. The measurements are compared to predictions from various event generators and are expected to provide new constraints to the phenomenological models in the low-energy regime.

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Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

April 2022

Volume

128

Issue

14

Start / End Page

142005

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

Citation

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Chen, Y.-C., Lee, Y.-J., Chang, P., Adachi, I., Aihara, H., Al Said, S., … Belle Collaboration. (2022). Measurement of Two-Particle Correlations of Hadrons in e^{+}e^{-} Collisions at Belle. Physical Review Letters, 128(14), 142005. https://doi.org/10.1103/physrevlett.128.142005
Chen, Y. -. C., Y. -. J. Lee, P. Chang, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, et al. “Measurement of Two-Particle Correlations of Hadrons in e^{+}e^{-} Collisions at Belle.Physical Review Letters 128, no. 14 (April 2022): 142005. https://doi.org/10.1103/physrevlett.128.142005.
Chen Y-C, Lee Y-J, Chang P, Adachi I, Aihara H, Al Said S, et al. Measurement of Two-Particle Correlations of Hadrons in e^{+}e^{-} Collisions at Belle. Physical review letters. 2022 Apr;128(14):142005.
Chen, Y. .. C., et al. “Measurement of Two-Particle Correlations of Hadrons in e^{+}e^{-} Collisions at Belle.Physical Review Letters, vol. 128, no. 14, Apr. 2022, p. 142005. Epmc, doi:10.1103/physrevlett.128.142005.
Chen Y-C, Lee Y-J, Chang P, Adachi I, Aihara H, Al Said S, Asner DM, Aushev T, Ayad R, Babu V, Behera P, Belous K, Bennett J, Bessner M, Bilka T, Bodrov D, Borah J, Bračko M, Branchini P, Browder TE, Budano A, Campajola M, Červenkov D, Chang M-C, Chekelian V, Cheon BG, Chilikin K, Cho HE, Cho K, Cho S-J, Choi S-K, Choi Y, Cinabro D, Das S, De Nardo G, De Pietro G, Dhamija R, Di Capua F, Dingfelder J, Dong TV, Dossett D, Epifanov D, Ferber T, Fulsom BG, Garg R, Gaur V, Giri A, Goldenzweig P, Gu T, Gudkova K, Hadjivasiliou C, Hartbrich O, Hayasaka K, Hayashii H, Hou W-S, Hsu C-L, Iijima T, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Jacobs WW, Jia S, Jin Y, Kaliyar AB, Kim CH, Kim DY, Kim K-H, Kim Y-K, Kodyš P, Konno T, Korobov A, Korpar S, Kovalenko E, Križan P, Kroeger R, Krokovny P, Kumar M, Kumar R, Kumara K, Kuzmin A, Kwon Y-J, Lai Y-T, Lam T, Lange JS, Laurenza M, Lee SC, Li J, Li Y, Li YB, Li Gioi L, Libby J, Lieret K, Lin C-W, Liventsev D, Martini A, Masuda M, Matsuda T, Matvienko D, Meier F, Merola M, Metzner F, Miyabayashi K, Mohanty GB, Moon TJ, Mussa R, Nakao M, Natochii A, Nayak L, Nisar NK, Nishida S, Nishimura K, Ogawa S, Ono H, Pakhlova G, Pang T, Pardi S, Park S-H, Patra S, Paul S, Pedlar TK, Piilonen LE, Podobnik T, Prencipe E, Prim MT, Rout N, Russo G, Sahoo D, Sandilya S, Sangal A, Santelj L, Sanuki T, Savinov V, Schnell G, Schwanda C, Seidl R, Seino Y, Sevior ME, Shapkin M, Shiu J-G, Singh JB, Sokolov A, Solovieva E, Starič M, Stottler ZS, Sumihama M, Sumisawa K, Sutcliffe W, Takizawa M, Tamponi U, Tanida K, Tenchini F, Uchida M, Uglov T, Unno Y, Uno K, Uno S, Van Tonder R, Varner G, Vinokurova A, Vossen A, Waheed E, Wang CH, Wang D, Wang E, Wang XL, Watanuki S, Won E, Yan W, Yang SB, Ye H, Yelton J, Zhai Y, Zhang ZP, Zhilich V, Zhukova V, Belle Collaboration. Measurement of Two-Particle Correlations of Hadrons in e^{+}e^{-} Collisions at Belle. Physical review letters. 2022 Apr;128(14):142005.

Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

April 2022

Volume

128

Issue

14

Start / End Page

142005

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences