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Titolo:
Search for the decay Y(1S) - gamma eta ' - art. no. 141801
Autore:
Richichi, 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;
Indirizzi:
Univ Oklahoma, Norman, OK 73019 USA Univ Oklahoma Norman OK USA 73019Univ Oklahoma, Norman, OK 73019 USA Univ Pittsburgh, Pittsburgh, PA 15260 USA Univ Pittsburgh Pittsburgh PA USA 15260 tsburgh, Pittsburgh, PA 15260 USA Purdue Univ, W Lafayette, IN 47907 USA Purdue Univ W Lafayette IN USA 47907 rdue Univ, W Lafayette, IN 47907 USA Univ Rochester, Rochester, NY 14627 USA Univ Rochester Rochester NY USA 14627 Rochester, Rochester, NY 14627 USA So Methodist Univ, Dallas, TX 75275 USA So Methodist Univ Dallas TX USA 75275 ethodist Univ, Dallas, TX 75275 USA Syracuse Univ, Syracuse, NY 13244 USA Syracuse Univ Syracuse NY USA 13244Syracuse Univ, Syracuse, NY 13244 USA Univ Texas, Austin, TX 78712 USA Univ Texas Austin TX USA 78712Univ Texas, Austin, TX 78712 USA Univ Texas Pan Amer, Edinburg, TX 78539 USA Univ Texas Pan Amer Edinburg TX USA 78539 an Amer, Edinburg, TX 78539 USA Vanderbilt Univ, Nashville, TN 37235 USA Vanderbilt Univ Nashville TN USA37235 bilt Univ, Nashville, TN 37235 USA Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA Virginia Polytech Inst & State Univ Blacksburg VA USA 24061 VA 24061 USA Wayne State Univ, Detroit, MI 48202 USA Wayne State Univ Detroit MI USA 48202 e State Univ, Detroit, MI 48202 USA CALTECH, Pasadena, CA 91125 USA CALTECH Pasadena CA USA 91125CALTECH, Pasadena, CA 91125 USA Univ Calif San Diego, La Jolla, CA 92093 USA Univ Calif San Diego La Jolla CA USA 92093 Diego, La Jolla, CA 92093 USA Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA Univ Calif Santa Barbara Santa Barbara CA USA 93106 Barbara, CA 93106 USA Carnegie Mellon Univ, Pittsburgh, PA 15213 USA Carnegie Mellon Univ Pittsburgh PA USA 15213 iv, Pittsburgh, PA 15213 USA Cornell Univ, Ithaca, NY 14853 USA Cornell Univ Ithaca NY USA 14853Cornell Univ, Ithaca, NY 14853 USA Univ Florida, Gainesville, FL 32611 USA Univ Florida Gainesville FL USA 32611 Florida, Gainesville, FL 32611 USA Harvard Univ, Cambridge, MA 02138 USA Harvard Univ Cambridge MA USA 02138Harvard Univ, Cambridge, MA 02138 USA Univ Illinois, Urbana, IL 61801 USA Univ Illinois Urbana IL USA 61801Univ Illinois, Urbana, IL 61801 USA Carleton Univ, Ottawa, ON K1S 5B6, Canada Carleton Univ Ottawa ON Canada K1S 5B6 n Univ, Ottawa, ON K1S 5B6, Canada Inst Particle Phys, Ottawa, ON, Canada Inst Particle Phys Ottawa ON Canada st Particle Phys, Ottawa, ON, Canada Ithaca Coll, Ithaca, NY 14850 USA Ithaca Coll Ithaca NY USA 14850Ithaca Coll, Ithaca, NY 14850 USA Univ Kansas, Lawrence, KS 66045 USA Univ Kansas Lawrence KS USA 66045Univ Kansas, Lawrence, KS 66045 USA Univ Minnesota, Minneapolis, MN 55455 USA Univ Minnesota Minneapolis MN USA 55455 nesota, Minneapolis, MN 55455 USA SUNY Albany, Albany, NY 12222 USA SUNY Albany Albany NY USA 12222SUNY Albany, Albany, NY 12222 USA Ohio State Univ, Columbus, OH 43210 USA Ohio State Univ Columbus OH USA 43210 State Univ, Columbus, OH 43210 USA
Titolo Testata:
PHYSICAL REVIEW LETTERS
fascicolo: 14, volume: 8714, anno: 2001,
pagine: 1801 -
SICI:
0031-9007(20011001)8714:14<1801:SFTDY->2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Richichi, SJ Univ Oklahoma, Norman, OK 73019 USA Univ Oklahoma Norman OK USA 73019 homa, Norman, OK 73019 USA
Citazione:
S.J. Richichi et al., "Search for the decay Y(1S) - gamma eta ' - art. no. 141801", PHYS REV L, 8714(14), 2001, pp. 1801

Abstract

We report on a search for the radiative decay Y(1S) --> gamma eta' in 61.3pb(-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.

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Documento generato il 05/12/20 alle ore 16:48:09