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First Observation of the Hadronic Transition Upsilon(4S) -> eta h(b)(1P) and New Measurement of the h(b)(1P) and eta(b)(1S) Parameters
- Tamponi, U;
- Mussa, R;
- Abdesselam, A;
- Aihara, H;
- Arinstein, K;
- ... Cheon, Byung Gu;
- 외 152명
WEB OF SCIENCE
37SCOPUS
45초록
Using a sample of 771.6 x 10(6) Upsilon Upsilon(4S) decays collected by the Belle experiment at the KEKB e(+)e(-) collider, we observe, for the first time, the transition Upsilon(4S) -> eta h(b)(1P) with the branching fraction B[Upsilon(4S) -> eta h(b)(1P)] = (2.18 +/- 0.11 +/- 0.18) x 10(-3) and we measure the h(b)(1P) mass M-hb(1P) = (9899.3 +/- 0.4 +/- 1.0) MeV/c(2), corresponding to the hyperfine (HF) splitting Delta M-HF(1P) = (0.6 +/- 0.4 +/- 1.0) MeV/c(2). Using the transition h(b)(1P) -> gamma eta(b)(1S), we measure the eta(b)(1S) mass M-eta b(1S) = (9400.7 +/- 1.7 +/- 1.6) MeV/c(2), corresponding to Delta M-HF(1S) = (59.6 +/- 1.7 +/- 1.6) MeV/c(2), the eta(b)(1S) width Gamma(eta b)(1S) = (8(-5)(+6)+/- 5) MeV/c(2) and the branching fraction B[h(b)(1P) -> gamma eta(b)(1S)] = (56 +/- 8 +/- 4)%.
키워드
- 제목
- First Observation of the Hadronic Transition Upsilon(4S) -> eta h(b)(1P) and New Measurement of the h(b)(1P) and eta(b)(1S) Parameters
- 저자
- Tamponi, U; Mussa, R; Abdesselam, A; Aihara, H; Arinstein, K; Asner, DM; Atmacan, H; Aushev, T; Ayad, R; Badhrees, I; Bakich, AM; Barberio, E.; Bhardwaj, V; Bhuyan, B; Biswal, J; Bondar, A; Bonvicini, G; Bozek, A; Bracko, M; Browder, TE; Cervenkov, D; Chen, A; Cheon, Byung Gu; Cho, K; Chobanova, V; Choi, SK; Choi, Y; Cinabro, D; Danilov, M; Dolezal, Z; Drasal, Z; Drutskoy, A; Eidelman, S; Epifanov, D; Farhat, H; Fast, JE; Ferber, T; Fulsom, BG; Gaur, V; Gabyshev, N; Garmash, A; Getzkow, D; Gillard, R; Goh, YM; Golob, B; Haba, J; Hayasaka, K; Hayashii, H; He, XH; Hedges, MT; Hou, WS; Iijima, T; Inami, K; Ishikawa, A; Jaegle, I; Joffe, D; Julius, T; Kato, E; Katrenko, P; Kichimi, H; Kiesling, C; Kim, DY; Kim, HJ; Kim, JH; Kim, KT; Kim, SH; Kinoshita, K; Kodys, P; Korpar, S; Krizan, P; Krokovny, P; Kumita, T; Kuzmin, A; Lange, JS; Lewis, P; Libby, J; Lukin, P; Matvienko, D; Miyabayashi, K; Miyata, H; Mizuk, R; Mohanty, GB; Moll, A; Mori, T; Nakano, E; Nakao, M; Nanut, T; Natkaniec, Z; Nayak, M; Nisar, NK; Nishida, S; Ogawa, S; Okuno, S; Olsen, SL; Ostrowicz, W; Oswald, C; Pakhlova, G; Pal, B; Park, H; Pedlar, TK; Pesantez, L; Pestotnik, R; Petric, M; Piilonen, LE; Ribezl, E; Ritter, M; Rostomyan, A; Ryu, S; Sakai, Y; Sandilya, S; Santelj, L; Sanuki, T; Sato, Y; Savinov, V; Schneider, O; Schnell, G; Schwanda, C; Semmler, D; Senyo, K; Sevior, ME; Shapkin, M; Shebalin, V; Shen, CP; Shibata, TA; Shiu, JG; Shwartz, B; Sibidanov, A; Simon, F; Sohn, YS; Sokolov, A; Staric, M; Steder, M; Stypula, J; Tanida, K; Teramoto, Y; Trabelsi, K; Uchida, M; Uglov, T; Unno, Y; Uno, S; Urquijo, P; Van Hulse, C; Vanhoefer, P; Varner, G; Vinokurova, A; Vossen, A; Wagner, MN; Wang, MZ; Wang, XL; Watanabe, Y; Williams, KM; Won, E; Yamaoka, J; Yashchenko, S; Zhang, ZP; Zhilich, V; Zhulanov, V; Zupanc, A
- 발행일
- 2015-09
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