Accès ouvert déclaré 2007 article

Observation of the decay Upsilon(4S)-->Upsilon(1S)pi+pi-

A. Sokolov, M. Shapkin, K. Abe, I. Adachi, H. Aihara, D. Anipko, T. Aushev, A. M. Bakich, E. Barberio, M. Barbero, Y. Sakai, T. Schietinger, O. Schneider, C. Schwanda, A. J. Schwartz, R. Seidl, M. E. Sevior, H. Shibuya, B. Shwartz, A. Somov, I. Bedny, N. Soni, S. Stanič, H. Stoeck, T. Sumiyoshi, S. Tohru Suzuki, F. Takasaki, K. Tamai, N. Tamura, M. Tanaka, G. N. Taylor, K. Belous, Y. Teramoto, X. C. Tian, T. Tsukamoto, S. Uehara, T. Uglov, S. Uno, P. Urquijo, Y. Usov, G. Varner, S. Villa, U. Bitenc, C. H. Wang, Y. W. Watanabe, J. Wiechczynski, E. Won, C. -H. Wu, B. D. Yabsley, A. Yamaguchi, Y. Yamashita, M. Yamauchi, L. M. Zhang, I. Bizjak, Z. P. Zhang, V. Zhilich, A. Zupanc, A. Bondar, M. Bračko, T. E. Browder, A. W. Chen, W. T. Chen, B. G. Cheon, R. Chistov, Y. K. Choi, S. Cole, J. Dalseno, M. Dash, A. Drutskoy, S. Eidelman, D. Epifanov, S. Fratina, T. Gershon, A. Go, G. Gokhroo, B. Golob, H. C. Ha, J. Haba, T. Hara, Y. Hasegawa, K. Hayasaka, H. Hayashii, M. Hazumi, D. Heffernan, Y. Hoshi, S. R. Hou, W. -S. Hou, Y. B. Hsiung, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, J. Moonwon Kang, P. Kapusta, N. Katayama, H. Kawai, T. Kawasaki, H. R. Khan, H. Kichimi, H. J. Kim, Y. J. Kim, S. Korpar, P. Križan, P. Krokovny, R. Kulasiri, R. Kumar, A. Kuzmin, Y. -J. Kwon, T. Lesiak, A. Limosani, S. -W. Lin, D. Liventsev, F. Mandl, T. Matsumoto, S. McOnie, W. Mitaroff, H. Miyake, H. Miyata, Y. Miyazaki, T. Nagamine, Y. Nagasaka, I. Nakamura, E. Nakano, M. Nakao, Z. Natkaniec, S. Nishida, O. Nitoh, T. Nozaki, S. Ogawa, T. Ohshima, S. Okuno, Y. Onuki, H. Ozaki, H. Palka, C. W. Park, H. Park, L. S. Peak, R. Pestotnik, L. E. Piilonen

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56Institutions déclarées

12Pays d’affiliation déclarés

Rattachement africain : ru, jp, ch, au, us, at, cn, in, si, tw, pl, kr. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

We study transitions between states with the emission of charged pions using 477 fb ÿ1 of data collected with the Belle detector at the KEKB asymmetric-energy e e ÿ collider.The measured product branching fraction B4S !1S ÿ B1S !ÿ 4:42 0:81stat 0:56sys 10 ÿ6 .When the PDG value for B1S !ÿ is used, this corresponds to B4S !1S ÿ 1:78 0:33stat 0:23sys 10 ÿ4 and a partial decay width ÿ4S !1S ÿ 3:65 0:67stat 0:65sys keV.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.

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Les institutions déclarées

Institute for High Energy Physics High Energy Accelerator Research Organization Tohoku Gakuin University The University of Tokyo Budker Institute of Nuclear Physics Institute for Theoretical and Experimental Physics École Polytechnique Fédérale de Lausanne The University of Sydney The University of Melbourne Victoria University University of Hawaii System Institute of High Energy Physics Institute of High Energy Physics University of Cincinnati University of Illinois Urbana-Champaign RIKEN BNL Research Center Toho University Panjab University University of Nova Gorica Tokyo Metropolitan University Saga University Niigata University Osaka City University Osaka City University Hospital Peking University Jožef Stefan Institute National Taiwan University National Taipei University Tokyo Institute of Technology Institute of Nuclear Physics, Polish Academy of Sciences University of Seoul Korea University Tohoku University Nippon Dental University University of Science and Technology of China Hefei University of Technology National Central University Chonnam National University Sungkyunkwan University Virginia Tech Tata Institute of Fundamental Research University of Ljubljana Osaka University of Economics Osaka Health Science University Shinshu University Nagoya University Hospital Nagoya University Nara Women's University Yonsei University Chiba University Kyungpook National University The Graduate University for Advanced Studies, SOKENDAI University of Maribor Hiroshima Institute of Technology Tokyo University of Agriculture and Technology Kanagawa University

Une affiliation ne permet pas de déduire la nationalité d’un auteur.

Les sujets associés

Quantum Chromodynamics and Particle InteractionsNuclear physics research studiesCrystallography and Radiation Phenomena

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