Transverse momentum dependent production cross sections of charged pions, kaons and protons produced in inclusive e + e − annihilation at s = 10.58     GeV

Seidl, R.; Adachi, I.; Ahn, J. K.; Aihara, H.; Asner, D. M.; Aulchenko, V.; Aushev, T.; Ayad, R.; Bakich, A. M.; Bansal, V.; Behera, P.; Beleño, C.; Berger, M.; Bhardwaj, V.; Bilka, T.; Biswal, J.; Bobrov, A.; Bozek, A.; Bračko, M.; Cao, L.; Červenkov, D.; Chen, A.; Cheon, B. G.; Chilikin, K.; Cho, H. E.; Cho, K.; Choi, Y.; Choudhury, S.; Cinabro, D.; Cunliffe, S.; Di Carlo, S.; Doležal, Z.; Dong, T. V.; Drásal, Z.; Eidelman, S.; Epifanov, D.; Fast, J. E.; Ferber, T.; Fulsom, B. G.; Garg, R.; Gaur, V.; Gabyshev, N.; Garmash, A.; Gelb, M.; Giri, A.; Goldenzweig, P.; Golob, B.; Grzymkowska, O.; Hayasaka, K.; Hayashii, H.; Hou, W. -S.; Iijima, T.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Jacobs, W. W.; Jia, S.; Jin, Y.; Joffe, D.; Joo, K. K.; Julius, T.; Kaliyar, A. B.; Kawasaki, T.; Kichimi, H.; Kiesling, C.; Kim, C. H.; Kim, D. Y.; Kim, H. J.; Kim, J. B.; Kim, S. H.; Kodyš, P.; Korpar, S.; Kotchetkov, D.; Križan, P.; Kroeger, R.; Krokovny, P.; Kuhr, T.; Kulasiri, R.; Kuzmin, A.; Kwon, Y. -J.; Lalwani, K.; Lange, J. S.; Lee, I. S.; Lee, J. K.; Lee, J. Y.; Lee, S. C.; Levit, D.; Li, C. H.; Li, L. K.; Li, Y. B.; Li Gioi, L.; Libby, J.; Liventsev, D.; Lubej, M.; Luo, T.; MacNaughton, J.; Masuda, M.; Matsuda, T.; Matvienko, D.; Merola, M.; Miyabayashi, K.; Mizuk, R.; Mohanty, S.; Mori, T.; Mussa, R.; Nakano, E.; Nakano, T.; Nakao, M.; Nath, K. J.; Natkaniec, Z.; Nayak, M.; Nishida, S.; Nishimura, K.; Ogawa, S.; Ono, H.; Onuki, Y.; Pakhlov, P.; Pakhlova, G.; Pal, B.; Pardi, S.; Park, S. -H.; Patra, S.; Paul, S.; Pedlar, T. K.; Pestotnik, R.; Piilonen, L. E.; Popov, V.; Prencipe, E.; Purohit, M. V.; Rostomyan, A.; Russo, G.; Sakai, Y.; Salehi, M.; Sandilya, S.; Santelj, L.; Sanuki, T.; Schneider, O.; Schnell, G.; Schueler, J.; Schwanda, C.; Seino, Y.; Senyo, K.; Sevior, M. E.; Shebalin, V.; Shen, C. P.; Shibata, T. -A.; Shiu, J. -G.; Shwartz, B.; Sokolov, A.; Solovieva, E.; Starič, M.; Stottler, Z. S.; Sumihama, M.; Sumiyoshi, T.; Sutcliffe, W.; Takizawa, M.; Tamponi, U.; Tanida, K.; Tao, Y.; Tenchini, F.; Uchida, M.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Usov, Y.; Van Tonder, R.; Varner, G.; Vossen, A.; Waheed, E.; Wang, B.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Wang, X. L.; Watanabe, M.; Won, E.; Yang, S. B.; Ye, H.; Yelton, J.; Yin, J. H.; Yuan, C. Z.; Zhang, Z. P.; Zhilich, V.; Zhukova, V.

doi:10.1103/PhysRevD.99.112006

Title: Transverse momentum dependent production cross sections of charged pions, kaons and protons produced in inclusive $e^{+} e^{-}$ annihilation at $\sqrt{s} = 10.58 GeV$

Journal Article · Fri Jun 14 00:00:00 EDT 2019 · Physical Review. D.

DOI:https://doi.org/10.1103/PhysRevD.99.112006· OSTI ID:1526333

Seidl, R.; Adachi, I.; Ahn, J. K.; Aihara, H.; Asner, D. M.; Aulchenko, V.; Aushev, T.; Ayad, R.; Bakich, A. M.; Bansal, V.; Behera, P.; Beleño, C.; Berger, M.; Bhardwaj, V.; Bilka, T.; Biswal, J.; Bobrov, A.; Bozek, A.; Bračko, M.; Cao, L. more »

We report measurements of the production cross sections of charged pions, kaons, and protons as a function of fractional energy, the event-shape variable called thrust, and the transverse momentum with respect to the thrust axis. These measurements access the transverse momenta created in the fragmentation process, which are of critical importance to the understanding of any transverse momentum dependent distribution and fragmentation functions. The low transverse momentum part of the cross sections can be well described by Gaussians in transverse momentum as is generally assumed but the fractional-energy dependence is non-trivial and different hadron types have varying Gaussian widths. The width of these Gaussians decreases with thrust and shows an initially rising, then decreasing fractional-energy dependence. The widths for pions and kaons are comparable within uncertainties, while those for protons are significantly narrower. These single-hadron cross sections and Gaussian widths are obtained from a 558fb^-1 data sample collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e⁺e^-collider.

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Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States); Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States); Univ. of Hawaii, Honolulu, HI (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP); KEK, High Energy Accelerator Research Organization; Ministry of Education, Culture, Sports, Science and Technology; National Science Foundation (NSF)

Contributing Organization:: Belle Collaboration

Grant/Contract Number:: AC05-76RL01830; SC0009973; SC0012704; SC0010504

OSTI ID:: 1526333

Alternate ID(s):: OSTI ID: 1542774; OSTI ID: 1566767; OSTI ID: 1593796

Report Number(s):: BNL-211851-2019-JAAM; PNNL-SA-147556; PRVDAQ; 112006

Journal Information:: Physical Review. D., Journal Name: Physical Review. D. Vol. 99 Journal Issue: 11; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 13 works

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