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Abstract
We report measurements of charmonia produced in two-photon collisions and decaying to four-meson final states, where the meson is either a charged pion or a charged kaon. The analysis is based on a 395 fb-1 data sample accumulated with the Belle detector at the KEKB electron–positron collider. We observe signals for the three C-even charmonia ηc(1S), χc0(1P) and χc2(1P) in the π+π-π+π-, K+K-π+π- and K+K-K+K- decay modes. No clear signals for ηc(2S) production are found in these decay modes. We have also studied resonant structures in charmonium decays to two-body intermediate meson resonances. We report the products of the two-photon decay width and the branching fractions, \(\Gamma_{\gamma\gamma}\mathcal{B}\), for each of the charmonium decay modes.
Details
Title
Study of charmonia in four-meson final states produced in two-photon collisions
Author
Uehara, S 1 ; Adachi, I 1 ; Aihara, H 2 ; Aulchenko, V 3 ; Aushev, T 4 ; Bakich, A M 5 ; Balagura, V 6 ; Barberio, E 7 ; Bay, A 8 ; Belous, K 9 ; Bitenc, U 10 ; Bondar, A 3 ; Bozek, A 11 ; Bračko, M 12 ; Brodzicka, J 1 ; Browder, TE 13 ; Chang, P 14 ; Chao, Y 14 ; Chen, A 15 ; K-F, Chen 14 ; Chen, W T 15 ; Cheon, B G 16 ; I-S, Cho 17 ; Choi, Y 18 ; Choi, Y K 18 ; Dalseno, J 7 ; Dash, M 19 ; Drutskoy, A 20 ; Eidelman, S 3 ; Epifanov, D 3 ; Fratina, S 10 ; Gabyshev, N 3 ; Gokhroo, G 21 ; Golob, B 22 ; H Ha 23 ; Haba, J 1 ; Hayasaka, K 24 ; Hayashii, H 25 ; Hazumi, M 1 ; Heffernan, D 26 ; Hokuue, T 24 ; Hoshi, Y 27 ; W-S Hou 14 ; Hyun, HJ 28 ; Iijima, T 24 ; Ikado, K 24 ; Inami, K 24 ; Ishikawa, A 2 ; Itoh, R 1 ; Iwasaki, M 2 ; Iwasaki, Y 1 ; Kah, D H 28 ; Kaji, H 24 ; Kang, J H 17 ; Kawai, H 29 ; Kawasaki, T 30 ; Kichimi, H 1 ; HO, Kim 18 ; Kim, S K 31 ; Kim, Y J 32 ; Korpar, S 12 ; Križan, P 22 ; Krokovny, P 1 ; Kumar, R 33 ; Kuo, C C 15 ; Kuzmin, A 3 ; Y-J, Kwon 17 ; Lee, J S 18 ; Lee, MJ 31 ; Lee, SE 31 ; Lesiak, T 11 ; J Li 13 ; Limosani, A 7 ; S-W, Lin 14 ; Liu, Y 32 ; Liventsev, D 6 ; Mandl, F 34 ; Matsumoto, T 35 ; Matyja, A 11 ; McOnie, S 5 ; Medvedeva, T 6 ; Miyake, H 26 ; Miyata, H 30 ; Miyazaki, Y 24 ; Mizuk, R 6 ; Nagasaka, Y 36 ; Nakano, E 37 ; Nakao, M 1 ; Nakazawa, H 15 ; Natkaniec, Z 11 ; Nishida, S 1 ; Nitoh, O 38 ; Ogawa, S 39 ; Ohshima, T 24 ; Okuno, S 40 ; Olsen, S L 13 ; Onuki, Y 41 ; Ozaki, H 1 ; Pakhlov, P 6 ; Pakhlova, G 6 ; Palka, H 11 ; Park, C W 18 ; Park, H 28 ; Peak, L S 5 ; Pestotnik, R 10 ; Piilonen, LE 19 ; Sahoo, H 13 ; Sakai, Y 1 ; Schneider, O 8 ; Seidl, R 42 ; Senyo, K 24 ; Sevior, ME 7 ; Shapkin, M 9 ; Shibuya, H 39 ; J-G Shiu 14 ; Shwartz, B 3 ; Singh, J B 33 ; Sokolov, A 9 ; Somov, A 20 ; Soni, N 33 ; Stanič, S 43 ; Starič, M 10 ; Stoeck, H 5 ; Sumiyoshi, T 35 ; Takasaki, F 1 ; Tamai, K 1 ; Tanaka, M 1 ; Taylor, G N 7 ; Teramoto, Y 37 ; Tian, X C 44 ; Tikhomirov, I 6 ; Tsuboyama, T 1 ; Unno, Y 16 ; Uno, S 1 ; Urquijo, P 7 ; Usov, Y 3 ; Varner, G 13 ; Vervink, K 8 ; Villa, S 8 ; Vinokurova, A 3 ; Wang, CH 45 ; Wang, P 46 ; Watanabe, Y 40 ; Won, E 23 ; Yabsley, B D 5 ; Yamaguchi, A 47 ; Yamashita, Y 48 ; Yuan, C Z 46 ; Zhang, C C 46 ; Zhang, Z P 49 ; Zhilich, V 3 ; Zupanc, A 10
1 High Energy Accelerator Research Organization (KEK), Tsukuba, Japan
2 Department of Physics, University of Tokyo, Tokyo, Japan
3 Budker Institute of Nuclear Physics, Novosibirsk, Russia
4 Swiss Federal Institute of Technology of Lausanne, EPFL, Lausanne, Switzerland; Institute for Theoretical and Experimental Physics, Moscow, Russia
5 University of Sydney, Sydney, New South Wales, Australia
6 Institute for Theoretical and Experimental Physics, Moscow, Russia
7 School of Physics, University of Melbourne, Victoria, Australia
8 Swiss Federal Institute of Technology of Lausanne, EPFL, Lausanne, Switzerland
9 Institute of High Energy Physics, Protvino, Russia
10 J. Stefan Institute, Ljubljana, Slovenia
11 H. Niewodniczanski Institute of Nuclear Physics, Krakow, Poland
12 University of Maribor, Maribor, Slovenia; J. Stefan Institute, Ljubljana, Slovenia
13 University of Hawaii, Honolulu, Hawaii, USA
14 Department of Physics, National Taiwan University, Taipei, Taiwan
15 National Central University, Chung-li, Taiwan
16 Hanyang University, Seoul, Republic of Korea
17 Yonsei University, Seoul, Republic of Korea
18 Sungkyunkwan University, Suwon, Republic of Korea
19 Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA
20 University of Cincinnati, Cincinnati, Ohio, USA
21 Tata Institute of Fundamental Research, Mumbai, India
22 University of Ljubljana, Ljubljana, Slovenia; J. Stefan Institute, Ljubljana, Slovenia
23 Korea University, Seoul, Republic of Korea
24 Nagoya University, Nagoya, Japan
25 Nara Women’s University, Nara, Japan
26 Osaka University, Osaka, Japan
27 Tohoku Gakuin University, Tagajo, Japan
28 Kyungpook National University, Taegu, Republic of Korea
29 Chiba University, Chiba, Japan
30 Niigata University, Niigata, Japan
31 Seoul National University, Seoul, Republic of Korea
32 The Graduate University for Advanced Studies, Hayama, Japan
33 Panjab University, Chandigarh, India
34 Institute of High Energy Physics, Vienna, Austria
35 Tokyo Metropolitan University, Tokyo, Japan
36 Hiroshima Institute of Technology, Hiroshima, Japan
37 Osaka City University, Osaka, Japan
38 Tokyo University of Agriculture and Technology, Tokyo, Japan
39 Toho University, Funabashi, Japan
40 Kanagawa University, Yokohama, Japan
41 RIKEN BNL Research Center, Upton, New York, USA
42 University of Illinois at Urbana-Champaign, Urbana, Illinois, USA; RIKEN BNL Research Center, Upton, New York, USA
43 University of Nova Gorica, Nova Gorica, Slovenia
44 Peking University, Beijing, P.R. China
45 National United University, Miao Li, Taiwan
46 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, P.R. China
47 Tohoku University, Sendai, Japan
48 Nippon Dental University, Niigata, Japan
49 University of Science and Technology of China, Hefei, P.R. China
1 High Energy Accelerator Research Organization (KEK), Tsukuba, Japan
2 Department of Physics, University of Tokyo, Tokyo, Japan
3 Budker Institute of Nuclear Physics, Novosibirsk, Russia
4 Swiss Federal Institute of Technology of Lausanne, EPFL, Lausanne, Switzerland; Institute for Theoretical and Experimental Physics, Moscow, Russia
5 University of Sydney, Sydney, New South Wales, Australia
6 Institute for Theoretical and Experimental Physics, Moscow, Russia
7 School of Physics, University of Melbourne, Victoria, Australia
8 Swiss Federal Institute of Technology of Lausanne, EPFL, Lausanne, Switzerland
9 Institute of High Energy Physics, Protvino, Russia
10 J. Stefan Institute, Ljubljana, Slovenia
11 H. Niewodniczanski Institute of Nuclear Physics, Krakow, Poland
12 University of Maribor, Maribor, Slovenia; J. Stefan Institute, Ljubljana, Slovenia
13 University of Hawaii, Honolulu, Hawaii, USA
14 Department of Physics, National Taiwan University, Taipei, Taiwan
15 National Central University, Chung-li, Taiwan
16 Hanyang University, Seoul, Republic of Korea
17 Yonsei University, Seoul, Republic of Korea
18 Sungkyunkwan University, Suwon, Republic of Korea
19 Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA
20 University of Cincinnati, Cincinnati, Ohio, USA
21 Tata Institute of Fundamental Research, Mumbai, India
22 University of Ljubljana, Ljubljana, Slovenia; J. Stefan Institute, Ljubljana, Slovenia
23 Korea University, Seoul, Republic of Korea
24 Nagoya University, Nagoya, Japan
25 Nara Women’s University, Nara, Japan
26 Osaka University, Osaka, Japan
27 Tohoku Gakuin University, Tagajo, Japan
28 Kyungpook National University, Taegu, Republic of Korea
29 Chiba University, Chiba, Japan
30 Niigata University, Niigata, Japan
31 Seoul National University, Seoul, Republic of Korea
32 The Graduate University for Advanced Studies, Hayama, Japan
33 Panjab University, Chandigarh, India
34 Institute of High Energy Physics, Vienna, Austria
35 Tokyo Metropolitan University, Tokyo, Japan
36 Hiroshima Institute of Technology, Hiroshima, Japan
37 Osaka City University, Osaka, Japan
38 Tokyo University of Agriculture and Technology, Tokyo, Japan
39 Toho University, Funabashi, Japan
40 Kanagawa University, Yokohama, Japan
41 RIKEN BNL Research Center, Upton, New York, USA
42 University of Illinois at Urbana-Champaign, Urbana, Illinois, USA; RIKEN BNL Research Center, Upton, New York, USA
43 University of Nova Gorica, Nova Gorica, Slovenia
44 Peking University, Beijing, P.R. China
45 National United University, Miao Li, Taiwan
46 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, P.R. China
47 Tohoku University, Sendai, Japan
48 Nippon Dental University, Niigata, Japan
49 University of Science and Technology of China, Hefei, P.R. China
Pages
1-14
Publication year
2008
Publication date
Jan 2008
ISSN
14346044
e-ISSN
14346052
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2293815618
Copyright
The European Physical Journal C is a copyright of Springer, (2007). All Rights Reserved.