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Invariant-mass and fractional-energy dependence of inclusive production of dihadrons in e + e annihilation at √s = 10.58 GeV

  • R. Seidl
  • , I. Adachi
  • , H. Aihara
  • , S. Al Said
  • , D. M. Asner
  • , T. Aushev
  • , R. Ayad
  • , I. Badhrees
  • , A. M. Bakich
  • , V. Bansal
  • , P. Behera
  • , V. Bhardwaj
  • , B. Bhuyan
  • , J. Biswal
  • , A. Bobrov
  • , A. Bozek
  • , M. Bračko
  • , T. E. Browder
  • , D. Červenkov
  • , V. Chekelian
  • A. Chen, B. G. Cheon, K. Chilikin, K. Cho, S. K. Choi, Y. Choi, D. Cinabro, N. Dash, S. Di Carlo, Z. Doležal, Z. Drásal, S. Eidelman, H. Farhat, J. E. Fast, T. Ferber, B. G. Fulsom, V. Gaur, N. Gabyshev, A. Garmash, R. Gillard, P. Goldenzweig, E. Guido, J. Haba, K. Hayasaka, H. Hayashii, W. S. Hou, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, Y. Iwasaki, W. W. Jacobs, I. Jaegle, H. B. Jeon, S. Jia, Y. Jin, D. Joffe, K. K. Joo, T. Julius, K. H. Kang, G. Karyan, D. Y. Kim, J. B. Kim, K. T. Kim, M. J. Kim, S. H. Kim, Y. J. Kim, K. Kinoshita, P. Kodyš, S. Korpar, D. Kotchetkov, P. Križan, P. Krokovny, R. Kulasiri, T. Kumita, A. Kuzmin, Y. J. Kwon, J. S. Lange, L. Li, L. Li Gioi, J. Libby, D. Liventsev, M. Lubej, T. Luo, M. Masuda, T. Matsuda, D. Matvienko, M. Merola, K. Miyabayashi, H. Miyata, R. Mizuk, H. K. Moon, T. Mori, R. Mussa, E. Nakano, M. Nakao, T. Nanut, K. J. Nath, Z. Natkaniec, M. Niiyama, N. K. Nisar, S. Nishida, S. Ogawa, H. Ono, P. Pakhlov, G. Pakhlova, B. Pal, S. Pardi, H. Park, S. Paul, T. K. Pedlar, R. Pestotnik, L. E. Piilonen, C. Pulvermacher, M. Ritter, A. Rostomyan, Y. Sakai, L. Santelj, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, Y. Seino, K. Senyo, M. E. Sevior, V. Shebalin, C. P. Shen, T. A. Shibata, J. G. Shiu, B. Shwartz, F. Simon, A. Sokolov, E. Solovieva, M. Starič, J. F. Strube, K. Sumisawa, T. Sumiyoshi, M. Takizawa, U. Tamponi, K. Tanida, F. Tenchini, M. Uchida, T. Uglov, Y. Unno, S. Uno, C. Van Hulse, G. Varner, V. Vorobyev, A. Vossen, C. H. Wang, P. Wang, M. Watanabe, Y. Watanabe, S. Watanuki, E. Widmann, E. Won, Y. Yamashita, H. Ye, Z. P. Zhang, V. Zhilich, V. Zhukova, V. Zhulanov, A. Zupanc
  • Riken BNL Research Center
  • RIKEN
  • The Graduate University for Advanced Studies
  • High Energy Accelerator Research Organization, Tsukuba
  • The University of Tokyo
  • King Abdulaziz University
  • University of Tabuk
  • Pacific Northwest National Laboratory
  • Moscow Institute of Physics and Technology
  • King Abdulaziz City for Science and Technology
  • The University of Sydney
  • Indian Institute of Technology Madras
  • Indian Institute of Science Education and Research Mohali
  • Indian Institute of Technology Guwahati
  • Jožef Stefan Institute
  • RAS - Budker Institute of Nuclear Physics
  • Novosibirsk State University
  • H. Niewodniczanski Institute of Nuclear Physics
  • University of Maribor
  • University of Hawai'i at Mānoa
  • Charles University
  • Max Planck Institute for Physics (Werner Heisenberg Institute)
  • National Central University
  • Hanyang University
  • RAS - P.N. Lebedev Physics Institute
  • Moscow Engineering Physics Institute
  • Korea Institute of Science and Technology Information
  • Gyeongsang National University
  • Sungkyunkwan University
  • Wayne State University
  • Indian Institute of Technology Bhubaneswar
  • German Electron Synchrotron
  • Virginia Polytechnic Institute and State University
  • Karlsruhe Institute of Technology
  • National Institute for Nuclear Physics
  • Niigata University
  • Nara Women's University
  • National Taiwan University
  • Nagoya University
  • Tohoku University
  • Indiana University Bloomington
  • University of Florida
  • Kyungpook National University
  • Beihang University
  • Kennesaw State University
  • Chonnam National University
  • University of Melbourne
  • Soongsil University
  • Korea University
  • University of Cincinnati
  • University of Ljubljana
  • Tokyo Metropolitan University
  • Yonsei University
  • Justus Liebig University Giessen
  • University of Science and Technology of China
  • University of Pittsburgh
  • University of Miyazaki
  • Osaka Metropolitan University
  • Kyoto University
  • Toho University
  • Nippon Dental University
  • Technical University of Munich
  • Luther College, Decorah
  • Ludwig Maximilian University of Munich
  • Swiss Federal Institute of Technology Lausanne
  • University of the Basque Country
  • Ikerbasque Basque Foundation for Science
  • Austrian Academy of Sciences
  • Yamagata University
  • Institute of Science Tokyo
  • Technische Universität München
  • Institute for High Energy Physics
  • Showa Pharmaceutical University
  • University of Turin
  • Japan Atomic Energy Agency
  • National United University Taiwan
  • CAS - Institute of High Energy Physics
  • Kanagawa University

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

The inclusive cross sections for dihadrons of charged pions and kaons (e+e → hhX) in electron-positron annihilation are reported. They are obtained as a function of the total fractional energy and invariant mass for any di-hadron combination in the same hemisphere as defined by the thrust event-shape variable and its axis. Since same-hemisphere dihadrons can be assumed to originate predominantly from the same initial parton, di-hadron fragmentation functions are probed. These di-hadron fragmentation functions are needed as an unpolarized baseline in order to quantitatively understand related spin-dependent measurements in other processes and to apply them to the extraction of quark transversity distribution functions in the nucleon. The di-hadron cross sections are obtained from a 655 fb−1 data sample collected at or near the ϒð4SÞ resonance with the Belle detector at the KEKB asymmetric-energy eþe collider.

Original languageEnglish
Article number032005
JournalPhysical Review D
Volume96
Issue number3
DOIs
StatePublished - 1 Aug 2017

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