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Search for the decay Y(1S) - gamma eta '

dc.contributor.authorCLEO Collaboration
dc.date.accessioned2007-04-09T18:44:55Z
dc.date.available2007-04-09T18:44:55Z
dc.date.issued2001-10
dc.identifier.citationRichichi, SJ; Severini, H; Skubic, P; Dytman, SA; Savinov, V; Chen, S; Hinson, JW; Lee, J; Miller, DH; Shibata, EI; Shipsey, IPJ; Pavlunin, V; Cronin-Hennessy, D; Lyon, AL; Park, W; Thorndike, EH; Coan, TE; Gao, YS; Liu, F; Maravin, Y; Narsky, I; Stroynowski, R; Ye, J; Artuso, M; Boulahouache, C; Bukin, K; Dambasuren, E; Majumder, G; Mountain, R; Skwarnicki, T; Stone, S; Wang, JC; Zhao, H; Kopp, S; Kostin, M; Mahmood, AH; Csorna, SE; Danko, I; McLean, KW; Xu, Z; Godang, R; Bonvicini, G; Cinabro, D; Dubrovin, M; McGee, S; Bornheim, A; Lipeles, E; Pappas, SP; Shapiro, A; Sun, WM; Weinstein, AJ; Jaffe, DE; Mahapatra, R; Masek, G; Paar, HP; Morrison, RJ; Briere, RA; Chen, GP; Ferguson, T; Vogel, H; Alexander, JP; Bebek, C; Berkelman, K; Blanc, F; Boisvert, V; Cassel, DG; Drell, PS; Duboscq, JE; Ecklund, KM; Ehrlich, R; Galik, RS; Gibbons, L; Gittelman, B; Gray, SW; Hartill, DL; Heltsley, BK; Hsu, L; Jones, CD; Kandaswamy, J; Kreinick, DL; Lohner, M; Magerkurth, A; Mahlke-Kruger, H; Meyer, TO; Mistry, NB; Nordberg, E; Palmer, M; Patterson, JR; Peterson, D; Pivarski, J; Riley, D; Schwarthoff, H; Thayer, JG; Urner, D; Valant-Spaight, B; Viehhauser, G; Warburton, A; Weinberger, M; Athar, SB; Avery, P; Prescott, C; Stoeck, H; Yelton, J; Brandenburg, G; Ershov, A; Kim, DYJ; Wilson, R; Benslama, K; Eisenstein, BI; Ernst, J; Gladding, GE; Gollin, GD; Hans, RM; Karliner, I; Lowrey, NA; Marsh, MA; Plager, C; Sedlack, C; Selen, M; Thaler, JJ; Williams, J; Edwards, KW; Sadoff, AJ; Ammar, R; Bean, A; Besson, D; Zhao, X; Anderson, S; Frolov, VV; Kubota, Y; Lee, SJ; Poling, R; Smith, A; Stepaniak, CJ; Urheim, J; Ahmed, S; Alam, MS; Jian, L; Ling, L; Saleem, M; Timm, S; Wappler, F; Anastassov, A; Eckhart, E; Gan, KK; Gwon, C; Hart, T; Honscheid, K; Hufnagel, D; Kagan, H; Kass, R; Pedlar, TK; Thayer, JB; von Toerne, E; Zoeller, MM. Search for the decay Y(1S) - gamma eta '. PHYSICAL REVIEW LETTERS. October 2001. 9e03(14) :
dc.identifier.otherhttp://publish.aps.org/
dc.identifier.urihttp://hdl.handle.net/1808/1308
dc.description.abstractWe report on a search for the radiative decay Y(1S) --> gamma eta' in 61.3 pb(-1) of data taken with the CLEO II detector at the Cornell Electron Storage Ring. Three decay chains were investigated, all involving eta' --> pi (+) pi (-) eta, followed by eta --> gamma gamma, eta --> pi (0)pi (0)pi (0), or eta --> pi (+) pi (-) pi (0). We find no candidate events in any of the three cases and set a combined upper limit of 1.6 X 10(-5) at 90% C.L., significantly smaller than the previous limit. We compare our result to other radiative Y decays, to radiative J/psi decays, and to theoretical predictions.
dc.language.isoen_US
dc.publisherAMERICAN PHYSICAL SOC
dc.titleSearch for the decay Y(1S) - gamma eta '
dc.typeArticle
dc.rights.accessrightsopenAccess


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