Measurement of γγ → pp̄ production at Belle
Kuo, C.C.; Abe, K.; Adachi, I.; Aihara, H.; Asano, Y.; Aulchenko, V.; Aushev, T.; Bahinipati, S.; Bakich, A.M.; Bay, A.; Bedny, I.; Bitenc, U.; Bizjak, I.; Blyth, S.; Bondar, A.; Bozek, A.; Bračko, M.; Chang, M.-C.; Chang, P.; Chen, A.; Chen, W.T.; Cheon, B.G.; Chistov, R.; Choi, Y.; Chuvikov, A.; Cole, S.; Dalseno, J.; Danilov, M.; Dash, M.; Drutskoy, A.; Eidelman, S.; Enari, Y.; Fratina, S.; Gabyshev, N.; Gershon, T.; Go, A.; Gokhroo, G.; Gorišek, A.; Haba, J.; Hayasaka, K.; Hayashii, H.; Hazumi, M.; Hokuue, T.; Hoshi, Y.; Hou, S.; Hou, W.-S.; Iijima, T.; Imoto, A.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Kang, J.H.; Kang, J.S.; Kapusta, P.; Kawai, H.; Kawasaki, T.; Khan, H.R.; Kichimi, H.; Kim, H.J.; Kim, S.M.; Krokovny, P.; Kulasiri, R.; Kumar, S.; Kuzmin, A.; Kwon, Y.-J.; Leder, G.; Lesiak, T.; Lin, S.-W.; Liventsev, D.; MacNaughton, J.; Majumder, G.; Mandl, F.; Matsumoto, T.; Matyja, A.; Mitaroff, W.; Miyake, H.; Mizuk, R.; Moloney, G.R.; Mori, T.; Nagasaka, Y.; Nakano, E.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Okuno, S.; Olsen, S.L.; Ostrowicz, W.; Palka, H.; Park, H.; Peak, L.S.; Pestotnik, R.; Piilonen, L.E.; Poluektov, A.; Sagawa, H.
2005
Abstract
A high precision study of the process γγ→pp̄ has been performed using a data sample of 89 fb-1 collected with the Belle detector at the KEKB e+e- collider. The cross section of pp̄ production has been measured at two-photon center-of-mass (c.m.) energies between 2.025 and 4.0 GeV and in the c.m. angular range of |cosθ*|<0.6. Production of γγ→ηc→pp̄ is observed and the product of the two-photon width of the ηc and its branching ratio to pp̄ is determined. © 2005 Elsevier B.V. All rights reserved.
Details
Title
Measurement of γγ → pp̄ production at Belle
Author(s)
Kuo, C.C. ; Abe, K. ; Adachi, I. ; Aihara, H. ; Asano, Y. ; Aulchenko, V. ; Aushev, T. ; Bahinipati, S. ; Bakich, A.M. ; Bay, A. ; Bedny, I. ; Bitenc, U. ; Bizjak, I. ; Blyth, S. ; Bondar, A. ; Bozek, A. ; Bračko, M. ; Chang, M.-C. ; Chang, P. ; Chen, A. ; Chen, W.T. ; Cheon, B.G. ; Chistov, R. ; Choi, Y. ; Chuvikov, A. ; Cole, S. ; Dalseno, J. ; Danilov, M. ; Dash, M. ; Drutskoy, A. ; Eidelman, S. ; Enari, Y. ; Fratina, S. ; Gabyshev, N. ; Gershon, T. ; Go, A. ; Gokhroo, G. ; Gorišek, A. ; Haba, J. ; Hayasaka, K. ; Hayashii, H. ; Hazumi, M. ; Hokuue, T. ; Hoshi, Y. ; Hou, S. ; Hou, W.-S. ; Iijima, T. ; Imoto, A. ; Inami, K. ; Ishikawa, A. ; Itoh, R. ; Iwasaki, M. ; Kang, J.H. ; Kang, J.S. ; Kapusta, P. ; Kawai, H. ; Kawasaki, T. ; Khan, H.R. ; Kichimi, H. ; Kim, H.J. ; Kim, S.M. ; Krokovny, P. ; Kulasiri, R. ; Kumar, S. ; Kuzmin, A. ; Kwon, Y.-J. ; Leder, G. ; Lesiak, T. ; Lin, S.-W. ; Liventsev, D. ; MacNaughton, J. ; Majumder, G. ; Mandl, F. ; Matsumoto, T. ; Matyja, A. ; Mitaroff, W. ; Miyake, H. ; Mizuk, R. ; Moloney, G.R. ; Mori, T. ; Nagasaka, Y. ; Nakano, E. ; Nakao, M. ; Nakazawa, H. ; Natkaniec, Z. ; Nishida, S. ; Nitoh, O. ; Ogawa, S. ; Ohshima, T. ; Okuno, S. ; Olsen, S.L. ; Ostrowicz, W. ; Palka, H. ; Park, H. ; Peak, L.S. ; Pestotnik, R. ; Piilonen, L.E. ; Poluektov, A. ; Sagawa, H.
Published in
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume
621
Issue
1-2
Pages
41-55
Date
2005
ISSN
03702693
Other identifier(s)
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Laboratories
LPHE
Record Appears in
Scientific production and competences > SB - School of Basic Sciences > IPHYS - Institute of Physics > LPHE - High Energy Physics Laboratory
Peer-reviewed publications
Conference Papers
Work produced at EPFL
Published
Peer-reviewed publications
Conference Papers
Work produced at EPFL
Published
Record creation date
2010-11-05