Abstract
KS0 KS0 production in two-photon collisions has been studied using a 397.6 fb-1 data sample collected with the Belle detector at the KEKB e+ e- collider. For the first time the cross sections are measured in the two-photon center-of-mass energy range between 2.4 GeV and 4.0 GeV and angular range | cos θ* | < 0.6. Combining the results with measurements of γ γ → K+ K- from Belle, we observe that the cross section ratio σ (KS0 KS0) / σ (K+ K-) decreases from ∼0.13 to ∼0.01 with increasing energy. Signals for the χc 0 and χc 2 charmonium states are also observed.
Original language | English |
---|---|
Pages (from-to) | 15-21 |
Number of pages | 7 |
Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
Volume | 651 |
Issue number | 1 |
DOIs | |
Publication status | Published - 2007 Jul 19 |
Externally published | Yes |
Keywords
- Charmonium
- Mesons
- QCD
- Two-photon collisions
ASJC Scopus subject areas
- Nuclear and High Energy Physics
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A study of γ γ → KS0 KS0 production at energies from 2.4 to 4.0 GeV at Belle. / Chen, W. T.; Abe, K.; Abe, K.; Adachi, I.; Aihara, H.; Anipko, D.; Aulchenko, V.; Bakich, A. M.; Barberio, E.; Bay, A.; Bedny, I.; Bitenc, U.; Bizjak, I.; Blyth, S.; Bondar, A.; Bozek, A.; Bračko, M.; Browder, T. E.; Chang, M. C.; Chang, P.; Chao, Y.; Chen, A.; Cheon, B. G.; Chistov, R.; Choi, Y.; Choi, Y. K.; Dalseno, J.; Dash, M.; Drutskoy, A.; Eidelman, S.; Epifanov, D.; Go, A.; Ha, H.; Hazumi, M.; Heffernan, D.; Higuchi, T.; Hokuue, T.; Hoshi, Y.; Hou, W. S.; Iijima, T.; Imoto, A.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Kaji, H.; Kang, J. H.; Kapusta, P.; Katayama, N.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kim, H. O.; Kim, Y. J.; Korpar, S.; Križan, P.; Krokovny, P.; Kulasiri, R.; Kumar, R.; Kuo, C. C.; Kuzmin, A.; Kwon, Y. J.; Lee, S. E.; Lesiak, T.; Lin, S. W.; Liventsev, D.; Majumder, G.; Mandl, F.; Matsumoto, T.; Matyja, A.; McOnie, S.; Medvedeva, T.; Miyata, H.; Miyazaki, Y.; Mizuk, R.; Moloney, G. R.; Mori, T.; Nakano, E.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okuno, S.; Olsen, S. L.; Onuki, Y.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Palka, H.; Park, C. W.; Pestotnik, R.; Piilonen, L. E.; Sahoo, H.; Sakai, Y.; Satoyama, N.; Schietinger, T.; Schneider, O.; Schümann, J.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shibuya, H.; Shwartz, B.; Singh, J. B.; Sokolov, A.; Somov, A.; Soni, N.; Stanič, S.; Starič, M.; Stoeck, H.; Suzuki, S. Y.; Takasaki, F.; Tamai, K.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Tian, X. C.; Tikhomirov, I.; Tsukamoto, T.; Uehara, S.; Ueno, K.; Uglov, T.; Unno, Y.; Uno, S.; Usov, Y.; Varner, G.; Vervink, K.; Villa, S.; Wang, C. C.; Wang, C. H.; Wang, M. Z.; Watanabe, Y.; Won, E.; Yabsley, B. D.; Yamaguchi, A.; Yamashita, Y.; Yamauchi, M.; Zhang, C. C.; Zhang, Z. P.; Zhilich, V.; Zupanc, A.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 651, No. 1, 19.07.2007, p. 15-21.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - A study of γ γ → KS0 KS0 production at energies from 2.4 to 4.0 GeV at Belle
AU - Chen, W. T.
AU - Abe, K.
AU - Abe, K.
AU - Adachi, I.
AU - Aihara, H.
AU - Anipko, D.
AU - Aulchenko, V.
AU - Bakich, A. M.
AU - Barberio, E.
AU - Bay, A.
AU - Bedny, I.
AU - Bitenc, U.
AU - Bizjak, I.
AU - Blyth, S.
AU - Bondar, A.
AU - Bozek, A.
AU - Bračko, M.
AU - Browder, T. E.
AU - Chang, M. C.
AU - Chang, P.
AU - Chao, Y.
AU - Chen, A.
AU - Cheon, B. G.
AU - Chistov, R.
AU - Choi, Y.
AU - Choi, Y. K.
AU - Dalseno, J.
AU - Dash, M.
AU - Drutskoy, A.
AU - Eidelman, S.
AU - Epifanov, D.
AU - Go, A.
AU - Ha, H.
AU - Hazumi, M.
AU - Heffernan, D.
AU - Higuchi, T.
AU - Hokuue, T.
AU - Hoshi, Y.
AU - Hou, W. S.
AU - Iijima, T.
AU - Imoto, A.
AU - Inami, K.
AU - Ishikawa, A.
AU - Itoh, R.
AU - Iwasaki, M.
AU - Kaji, H.
AU - Kang, J. H.
AU - Kapusta, P.
AU - Katayama, N.
AU - Kawai, H.
AU - Kawasaki, T.
AU - Kichimi, H.
AU - Kim, H. O.
AU - Kim, Y. J.
AU - Korpar, S.
AU - Križan, P.
AU - Krokovny, P.
AU - Kulasiri, R.
AU - Kumar, R.
AU - Kuo, C. C.
AU - Kuzmin, A.
AU - Kwon, Y. J.
AU - Lee, S. E.
AU - Lesiak, T.
AU - Lin, S. W.
AU - Liventsev, D.
AU - Majumder, G.
AU - Mandl, F.
AU - Matsumoto, T.
AU - Matyja, A.
AU - McOnie, S.
AU - Medvedeva, T.
AU - Miyata, H.
AU - Miyazaki, Y.
AU - Mizuk, R.
AU - Moloney, G. R.
AU - Mori, T.
AU - Nakano, E.
AU - Nakao, M.
AU - Nakazawa, H.
AU - Natkaniec, Z.
AU - Nishida, S.
AU - Nitoh, O.
AU - Nozaki, T.
AU - Ogawa, S.
AU - Ohshima, T.
AU - Okuno, S.
AU - Olsen, S. L.
AU - Onuki, Y.
AU - Ozaki, H.
AU - Pakhlov, P.
AU - Pakhlova, G.
AU - Palka, H.
AU - Park, C. W.
AU - Pestotnik, R.
AU - Piilonen, L. E.
AU - Sahoo, H.
AU - Sakai, Y.
AU - Satoyama, N.
AU - Schietinger, T.
AU - Schneider, O.
AU - Schümann, J.
AU - Senyo, K.
AU - Sevior, M. E.
AU - Shapkin, M.
AU - Shibuya, H.
AU - Shwartz, B.
AU - Singh, J. B.
AU - Sokolov, A.
AU - Somov, A.
AU - Soni, N.
AU - Stanič, S.
AU - Starič, M.
AU - Stoeck, H.
AU - Suzuki, S. Y.
AU - Takasaki, F.
AU - Tamai, K.
AU - Tanaka, M.
AU - Taylor, G. N.
AU - Teramoto, Y.
AU - Tian, X. C.
AU - Tikhomirov, I.
AU - Tsukamoto, T.
AU - Uehara, S.
AU - Ueno, K.
AU - Uglov, T.
AU - Unno, Y.
AU - Uno, S.
AU - Usov, Y.
AU - Varner, G.
AU - Vervink, K.
AU - Villa, S.
AU - Wang, C. C.
AU - Wang, C. H.
AU - Wang, M. Z.
AU - Watanabe, Y.
AU - Won, E.
AU - Yabsley, B. D.
AU - Yamaguchi, A.
AU - Yamashita, Y.
AU - Yamauchi, M.
AU - Zhang, C. C.
AU - Zhang, Z. P.
AU - Zhilich, V.
AU - Zupanc, A.
N1 - Funding Information: We are grateful to S.J. Brodsky, V.L. Chernyak, M. Diehl, G. Duplančić, P. Kroll, H.-N. Li, K. Odagiri, and R.-C. Verma for fruitful discussions. We thank the KEKB group for the excellent operation of the accelerator, the KEK cryogenics group for the efficient operation of the solenoid, and the KEK computer group and the National Institute of Informatics for valuable computing and Super-SINET network support. We acknowledge support from the Ministry of Education, Culture, Sports, Science, and Technology of Japan and the Japan Society for the Promotion of Science; the Australian Research Council and the Australian Department of Education, Science and Training; the National Science Foundation of China and the Knowledge Innovation Program of the Chinese Academy of Sciences under contract No. 10575109 and IHEP-U-503; the Department of Science and Technology of India; the BK21 program of the Ministry of Education of Korea, the CHEP SRC program and Basic Research program (grant No. R01-2005-000-10089-0) of the Korea Science and Engineering Foundation, and the Pure Basic Research Group program of the Korea Research Foundation; the Polish State Committee for Scientific Research; the Ministry of Education and Science of the Russian Federation and the Russian Federal Agency for Atomic Energy; the Slovenian Research Agency; the Swiss National Science Foundation; the National Science Council (under Grant No. NSC 94-2112-M-008-027) and the Ministry of Education of Taiwan; and the US Department of Energy.
PY - 2007/7/19
Y1 - 2007/7/19
N2 - KS0 KS0 production in two-photon collisions has been studied using a 397.6 fb-1 data sample collected with the Belle detector at the KEKB e+ e- collider. For the first time the cross sections are measured in the two-photon center-of-mass energy range between 2.4 GeV and 4.0 GeV and angular range | cos θ* | < 0.6. Combining the results with measurements of γ γ → K+ K- from Belle, we observe that the cross section ratio σ (KS0 KS0) / σ (K+ K-) decreases from ∼0.13 to ∼0.01 with increasing energy. Signals for the χc 0 and χc 2 charmonium states are also observed.
AB - KS0 KS0 production in two-photon collisions has been studied using a 397.6 fb-1 data sample collected with the Belle detector at the KEKB e+ e- collider. For the first time the cross sections are measured in the two-photon center-of-mass energy range between 2.4 GeV and 4.0 GeV and angular range | cos θ* | < 0.6. Combining the results with measurements of γ γ → K+ K- from Belle, we observe that the cross section ratio σ (KS0 KS0) / σ (K+ K-) decreases from ∼0.13 to ∼0.01 with increasing energy. Signals for the χc 0 and χc 2 charmonium states are also observed.
KW - Charmonium
KW - Mesons
KW - QCD
KW - Two-photon collisions
UR - http://www.scopus.com/inward/record.url?scp=34347366367&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=34347366367&partnerID=8YFLogxK
U2 - 10.1016/j.physletb.2007.05.059
DO - 10.1016/j.physletb.2007.05.059
M3 - Article
AN - SCOPUS:34347366367
VL - 651
SP - 15
EP - 21
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
SN - 0370-2693
IS - 1
ER -