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Study of e(+) e(-) -> eta phi via initial state radiation at Belleopen access
- Authors
- Zhu, W. J.; Gao, B. S.; Wang, X. L.; Adachi, I.; Aihara, H.; Asner, D. M.; Atmacan, H.; Aushev, T.; Babu, V.; Bahinipati, S.; Behera, P.; Belous, K.; Bennett, J.; Bessner, M.; Bhardwaj, V.; Bilka, T.; Bodrov, D.; Bonvicini, G.; Borah, J.; Bozek, A.; Bra, M.; Branchini, P.; Browder, T. E.; Budano, A.; Campajola, M.; Cervenkov, D.; Chang, M. -C.; Chen, A.; Cheon, B. G.; Chilikin, K.; Cho, H. E.; Cho, K.; Cho, S. -J.; Choi, S. -K.; Choi, Y.; Choudhury, S.; Cinabro, D.; De Pietro, G.; Dhamija, R.; Di Capua, F.; Dingfelder, J.; Dolezal, Z.; Dong, T., V; Epifanov, D.; Ferlewicz, D.; Fulsom, B. G.; Gaur, V.; Garmash, A.; Giri, A.; Goldenzweig, P.; Graziani, E.; Gu, T.; Gudkova, K.; Hadjivasiliou, C.; Halder, S.; Hara, T.; Hayasaka, K.; Hayashii, H.; Hsu, C. -L.; Inami, K.; Ipsita, N.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Jacobs, W. W.; Jang, E. -J.; Ji, Q. P.; Jia, S.; Jin, Y.; Joo, K. K.; Kang, K. H.; Kiesling, C.; Kim, C. H.; Kim, D. Y.; Kim, K. -H.; Kim, Y. -K.; Kinoshita, K.; Kodys, P.; Konno, T.; Korobov, A.; Korpar, S.; Kovalenko, E.; Kri, P.; Krokovny, P.; Kumar, M.; Kumar, R.; Kumara, K.; Kuzmin, A.; Kwon, Y. -J.; Lalwani, K.; Lam, T.; Laurenza, M.; Lee, S. C.; Li, J.; Li, L. K.; Li, Y.; Li Gioi, L.; Libby, J.; Lieret, K.; Liventsev, D.; Masuda, M.; Matsuda, T.; Matvienko, D.; Maurya, S. K.; Merola, M.; Miyabayashi, K.; Mizuk, R.; Nakao, M.; Natochii, A.; Nayak, L.; Nayak, M.; Niiyama, M.; Nisar, N. K.; Nishida, S.; Ono, H.; Pakhlova, G.; Pardi, S.; Park, S. -H.; Passeri, A.; Patra, S.; Paul, S.; Pedlar, T. K.; Pestotnik, R.; Piilonen, L. E.; Podobnik, T.; Prim, M. T.; Rout, N.; Russo, G.; Sandilya, S.; Sangal, A.; Santelj, L.; Savinov, V.; Schnell, G.; Schwanda, C.; Seino, Y.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Sharma, C.; Shiu, J. -G.; Solovieva, E.; Stanic, S.; Stari, M.; Stottler, Z. S.; Strube, J. F.; Sumihama, M.; Sumiyoshi, T.; Takizawa, M.; Tamponi, U.; Tanida, K.; Tenchini, F.; Trabelsi, K.; Uchida, M.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Usov, Y.; Vahsen, S. E.; van Tonder, R.; Varner, G.; Vossen, A.; Waheed, E.; Wang, E.; Wang, M. -Z.; Watanabe, M.; Watanuki, S.; Won, E.; Yan, W.; Yang, S. B.; Yin, J. H.; Yuan, C. Z.; Zhang, Z. P.; Zhilich, V.; Zhukova, V.
- Issue Date
- Jan-2023
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.107, no.1
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 107
- Number
- 1
- ISSN
- 2470-0010
- Abstract
- Using 980 fb(-1) of data collected on and around the Upsilon(nS) (n = 1, 2, 3, 4, 5) resonances with the Belle detector at the KEKB collider, we measure the cross section of e(+) e(-) -> eta phi from threshold to 3.95 GeV via initial state radiation. There are clear phi(1680) and J/psi signals but no significant phi(2170) signal in the eta phi final state. The branching fraction B[J/psi -> eta phi] is measured to be (7.2 +/- 0.8 +/- 0.5) x 10(-4). The resonant parameters of phi(1680) are determined to be m(phi(1680)) = (1696 +/- 8 +/- 10) MeV/c(2) (statistical and systematic errors, respectively), Gamma(phi(1680)) = (175 +/- 13 +/- 16) MeV and, depending on the possible presence of predominantly constructive or destructive interference between phi(1680) and continuum production, Gamma(e+e-)(phi(1680))center dot B[phi(1680) -> eta phi] and B[phi(1680) -> eta phi] are determined to be (75 +/- 10 +/- 11) eV and (25 +/- 12 +/- 2)% or (207 +/- 16 +/- 20) eV and (23 +/- 10 +/- 2)%, respectively. The upper limit for Gamma(e+e-)(phi(2170)) center dot B[phi(2170) -> eta phi] is determined to be either 0.17 or 18.6 eV at the 90% confidence level.
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Related Researcher
- Kim, D. Y.
- College of Natural Sciences (Department of Physics)