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  • Search for the 0-- glueball...
    Shen, C. P.; Yuan, C. Z.; Aihara, H.; Al Said, S.; Asner, D. M.; Aushev, T.; Ayad, R.; Babu, V.; Badhrees, I.; Bakich, A. M.; Bansal, V.; Barberio, E.; Behera, P.; Biswal, J.; Bozek, A.; Bračko, M.; Červenkov, D.; Chang, P.; Cheon, B. G.; Chilikin, K.; Cho, K.; Choi, S. -K.; Dash, N.; Di Carlo, S.; Eidelman, S.; Farhat, H.; Fulsom, B. G.; Gaur, V.; Gabyshev, N.; Garmash, A.; Gillard, R.; Goldenzweig, P.; Golob, B.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; Hou, W. -S.; Inami, K.; Inguglia, G.; Ishikawa, A.; Itoh, R.; Joo, K. K.; Kang, K. H.; Kichimi, H.; Kim, H. J.; Kim, M. J.; Kim, S. H.; Kim, Y. J.; Kulasiri, R.; Kuzmin, A.; Kwon, Y. -J.; Lange, J. S.; Li, C. H.; Li, L.; Matsuda, T.; Matvienko, D.; Mizuk, R.; Moon, H. K.; Nanut, T.; Nath, K. J.; Nayak, M.; Ono, H.; Ostrowicz, W.; Pal, B.; Park, H.; Piilonen, L. E.; Ritter, M.; Rostomyan, A.; Sakai, Y.; Savinov, V.; Schneider, O.; Schnell, G.; Shibata, T. -A.; Shwartz, B.; Simon, F.; Solovieva, E.; Starič, M.; Strube, J. F.; Sumihama, M.; Sumiyoshi, T.; Suzuki, K.; Tanida, K.; Tenchini, F.; Uglov, T.; Uno, S.; Urquijo, P.; Van Hulse, C.; Varner, G.; Vorobyev, V.; Wang, M. -Z.; Wang, P.; Watanabe, Y.; Widmann, E.; Won, E.; Yamashita, Y.; Yelton, J.; Zhang, Z. P.; Zhukova, V.; Zhulanov, V.

    Physical review. D, 01/2017, Volume: 95, Issue: 1
    Journal Article

    We report the first search for the JPC= 0-- glueball in Yð1SÞ and Y=ð2SÞ decays with data samples of (102 ± 2) × 106 and (158 ± 4) × 106 events, respectively, collected with the Belle detector. No significant signals are observed in any of the proposed production modes, and the 90% credibility level upper limits on their branching fractions in Y(1S) andY(2S) decays are obtained. The inclusive branching fractions of the Y(1S) and Y(2S) decays into final states with a χc1 are measured to be B(Y(1S) → χc1 þ anything = (1.90± 0.43(stat) ± 0.14(syst)) × 10-4 with an improved precision over prior measurements and → χc1 + anything) = (2.24 ±0.44(stat) 0.20(syst)) × 10-4 for the first time.