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Observation of e+e- →γχc1 and search for e+e- →γχc0, γχc2, and γηc at s near 10.6 GeV at Belle OBSERVATION of e+e- →γχc1 ... S. JIA et al.Observation of e(+) e(-) -> gamma chi(c1) and search for e(+) e(-) -> gamma chi(c0), gamma chi(c2), and gamma eta(c) at root s near 10.6 GeV at Belle
- Other Titles
- Observation of e(+) e(-) -> gamma chi(c1) and search for e(+) e(-) -> gamma chi(c0), gamma chi(c2), and gamma eta(c) at root s near 10.6 GeV at Belle
- Authors
- Jia, S.; Wang, X.L.; Shen, C.P.; Yuan, C.Z.; Adachi, I.; Aihara, H.; Al Said, S.; Asner, D.M.; Atmacan, H.; Aulchenko, V.; Aushev, T.; Ayad, R.; Babu, V.; Bansal, V.; Behera, P.; Beleño, C.; Berger, M.; Bhuyan, B.; Bilka, T.; Biswal, J.; Bobrov, A.; Bozek, A.; Bračko, M.; Browder, T.E.; Cao, L.; Červenkov, D.; Chang, P.; Chekelian, V.; Chen, A.; Cheon, B.G.; Chilikin, K.; Cho, K.; Choi, S.-K.; Choi, Y.; Choudhury, S.; Cinabro, D.; Cunliffe, S.; Dash, N.; Di Carlo, S.; DoleŽal, Z.; Dong, T.V.; Eidelman, S.; Epifanov, D.; Fast, J.E.; Ferber, T.; Frey, A.; Fulsom, B.G.; Garg, R.; Gaur, V.; Gabyshev, N.; Garmash, A.; Gelb, M.; Giri, A.; Goldenzweig, P.; Greenwald, D.; Haba, J.; Hayasaka, K.; Hayashii, H.; Hou, W.-S.; Hsu, C.-L.; Iijima, T.; Inami, K.; Inguglia, G.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Jacobs, W.W.; Jin, Y.; Joffe, D.; Kahn, J.; Kaliyar, A.B.; Karyan, G.; Kawasaki, T.; Kichimi, H.; Kiesling, C.; Kim, D.Y.; Kim, H.J.; Kim, J.B.; Kim, S.H.; Kinoshita, K.; Kodyš, P.; Korpar, S.; Kotchetkov, D.; KriŽan, P.; Kroeger, R.; Krokovny, P.; Kuhr, T.; Kulasiri, R.; Kumar, R.; Kuzmin, A.; Kwon, Y.-J.; Lalwani, K.; Lange, J.S.; Lee, I.S.; Lee, J.Y.; Lee, S.C.; Li, C.H.; Li, L.K.; Li, Y.B.; Li Gioi, L.; Libby, J.; Liptak, Z.; Liventsev, D.; Lu, P.-C.; Lubej, M.; Macnaughton, J.; Masuda, M.; Matsuda, T.; Matvienko, D.; Merola, M.; Miyata, H.; Mizuk, R.; Mori, T.; Mussa, R.; Nakano, E.; Nakao, M.; Nath, K.J.; Nayak, M.; Nisar, N.K.; Nishida, S.; Ogawa, S.; Olsen, S.L.; Ono, H.; Onuki, Y.; Ostrowicz, W.; Pakhlova, G.; Pal, B.; Pardi, S.; Paul, S.; Pedlar, T.K.; Pestotnik, R.; Piilonen, L.E.; Popov, V.; Prencipe, E.; Ritter, M.; Rostomyan, A.; Russo, G.; Sakai, Y.; Salehi, M.; Sandilya, S.; Santelj, L.; Sanuki, T.; Savinov, V.; Schneider, O.; Schnell, G.; Schueler, J.; Schwanda, C.; Seino, Y.; Senyo, K.; Sevior, M.E.; Shibata, T.-A.; Shiu, J.-G.; Simon, F.; Sokolov, A.; Solovieva, E.; Starič, M.; Stottler, Z.S.; Strube, J.F.; Sumiyoshi, T.; Sutcliffe, W.; Takizawa, M.; 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.; Varvell, K.E.; Vorobyev, V.; Waheed, E.; Wang, B.; Wang, C.H.; Wang, M.-Z.; Wang, P.; Watanuki, S.; Widmann, E.; Won, E.; Yamamoto, H.; Yang, S.B.; Ye, H.; Yin, J.H.; Yusa, Y.; Zhang, Z.P.; Zhilich, V.; Zhukova, V.; Zhulanov, V.; (Belle Collaboration
- Issue Date
- Nov-2018
- Publisher
- American Physical Society
- Citation
- Physical Review D, v.98, no.9
- Journal Title
- Physical Review D
- Volume
- 98
- Number
- 9
- ISSN
- 2470-0010
- Abstract
- Using data samples of 89.5 fb-1, 711.0 fb-1, and 121.4 fb-1 collected with the Belle detector at the KEKB asymmetric-energy e+e- collider at center-of-mass energies 10.52, 10.58, and 10.867 GeV, respectively, we study the exclusive reactions e+e-→γχcJ (J=0, 1, 2) and e+e-→γηc. A significant γχc1 signal is observed for the first time at s=10.58 GeV with a significance of 5.1σ including systematic uncertainties. No significant excesses for γχc0, γχc2, and γηc final states are found, and we set 90% credibility level upper limits on the Born cross sections (σB) at 10.52 GeV, 10.58 GeV, and 10.867 GeV. Together with cross sections measured by BESIII at lower center-of-mass energies, the energy dependency of σB(e+e-→γχc1) is obtained. © 2018 authors. Published by the American Physical Society.
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Related Researcher
- Kim, D. Y.
- College of Natural Sciences (Department of Physics)