학술논문

Search for hadronic decays of a light Higgs boson in the radiative decay Upsilon --> gamma A0
Document Type
Working Paper
Author
The BABAR CollaborationLees, J. P.Poireau, V.Tisserand, V.Tico, J. GarraGrauges, E.Martinelli, M.Milanes, D. A.Palano, A.Pappagallo, M.Eigen, G.Stugu, B.Brown, D. N.Kerth, L. T.Kolomensky, Yu. G.Lynch, G.Koch, H.Schroeder, T.Asgeirsson, D. J.Hearty, C.Mattison, T. S.McKenna, J. A.So, R. Y.Khan, A.Blinov, V. E.Buzykaev, A. R.Druzhinin, V. P.Golubev, V. B.Kravchenko, E. A.Onuchin, A. P.Serednyakov, S. I.Skovpen, Yu. I.Solodov, E. P.Todyshev, K. Yu.Yushkov, A. N.Bondioli, M.Kirkby, D.Lankford, A. J.Mandelkern, M.Stoker, D. P.Atmacan, H.Gary, J. W.Liu, F.Long, O.Vitug, G. M.Campagnari, C.Hong, T. M.Kovalskyi, D.Richman, J. D.West, C. A.Eisner, A. M.Kroseberg, J.Lockman, W. S.Martinez, A. J.Schalk, T.Schumm, B. A.Seiden, A.Cheng, C. H.Doll, D. A.Echenard, B.Flood, K. T.Hitlin, D. G.Ongmongkolkul, P.Porter, F. C.Rakitin, A. Y.Andreassen, R.Dubrovin, M. S.Huard, Z.Meadows, B. T.Sokoloff, M. D.Sun, L.Bloom, P. C.Ford, W. T.Gaz, A.Nagel, M.Nauenberg, U.Smith, J. G.Wagner, S. R.Ayad, R.Toki, W. H.Spaan, B.Kobel, M. J.Schubert, K. R.Schwierz, R.Bernard, D.Verderi, M.Clark, P. J.Playfer, S.Bettoni, D.Bozzi, C.Calabrese, R.Cibinetto, G.Fioravanti, E.Garzia, I.Luppi, E.Munerato, M.Negrini, M.Piemontese, L.Santoro, V.Baldini-Ferroli, R.Calcaterra, A.de Sangro, R.Finocchiaro, G.Nicolaci, M.Patteri, P.Peruzzi, I. M.Piccolo, M.Rama, M.Zallo, A.Contri, R.Guido, E.Vetere, M. LoMonge, M. R.Passaggio, S.Patrignani, C.Robutti, E.Bhuyan, B.Prasad, V.Lee, C. L.Morii, M.Edwards, A. J.Adametz, A.Marks, J.Uwer, U.Bernlochner, F. U.Ebert, M.Lacker, H. M.Lueck, T.Dauncey, P. D.Tibbetts, M.Behera, P. K.Mallik, U.Chen, C.Cochran, J.Meyer, W. T.Prell, S.Rosenberg, E. I.Rubin, A. E.Gritsan, A. V.Guo, Z. J.Arnaud, N.Davier, M.Grosdidier, G.Diberder, F. LeLutz, A. M.Malaescu, B.Roudeau, P.Schune, M. H.Stocchi, A.Wormser, G.Lange, D. J.Wright, D. M.Bingham, I.Chavez, C. A.Coleman, J. P.Fry, J. R.Gabathuler, E.Hutchcroft, D. E.Payne, D. J.Touramanis, C.Bevan, A. J.Di Lodovico, F.Sacco, R.Sigamani, M.Cowan, G.Davis, C. L.Denig, A. G.Fritsch, M.Gradl, W.Hafner, A.Prencipe, E.Alwyn, K. E.Bailey, D.Barlow, R. J.Jackson, G.Lafferty, G. D.Behn, E.Cenci, R.Hamilton, B.Jawahery, A.Roberts, D. A.Simi, G.Dallapiccola, C.Cowan, R.Dujmic, D.Sciolla, G.Lindemann, D.Patel, P. M.Robertson, S. H.Schram, M.Biassoni, P.Lazzaro, A.Lombardo, V.Neri, N.Palombo, F.Stracka, S.Cremaldi, L.Godang, R.Kroeger, R.Sonnek, P.Summers, D. J.Nguyen, X.Taras, P.De Nardo, G.Monorchio, D.Onorato, G.Sciacca, C.Raven, G.Snoek, H. L.Jessop, C. P.Knoepfel, K. J.LoSecco, J. M.Wang, W. F.Honscheid, K.Kass, R.Brau, J.Frey, R.Sinev, N. B.Strom, D.Torrence, E.Feltresi, E.Gagliardi, N.Margoni, M.Morandin, M.Posocco, M.Rotondo, M.Simonetto, F.Stroili, R.Akar, S.Ben-Haim, E.Bomben, M.Bonneaud, G. R.Briand, H.Calderini, G.Chauveau, J.Hamon, O.Leruste, Ph.Marchiori, G.Ocariz, J.Sitt, S.Biasini, M.Manoni, E.Pacetti, S.Rossi, A.Angelini, C.Batignani, G.Bettarini, S.Carpinelli, M.Casarosa, G.Cervelli, A.Forti, F.Giorgi, M. A.Lusiani, A.Oberhof, B.Paoloni, E.Perez, A.Rizzo, G.Walsh, J. J.Pegna, D. LopesLu, C.Olsen, J.Smith, A. J. S.Telnov, A. V.Anulli, F.Cavoto, G.Faccini, R.Ferrarotto, F.Ferroni, F.Gaspero, M.Gioi, L. LiMazzoni, M. A.Piredda, G.Bünger, C.Grünberg, O.Hartmann, T.Leddig, T.Schröder, H.Waldi, R.Adye, T.Olaiya, E. O.Wilson, F. F.Emery, S.de Monchenault, G. HamelVasseur, G.Yeche, Ch.Aston, D.Bard, D. J.Bartoldus, R.Cartaro, C.Convery, M. R.Dorfan, J.Dubois-Felsmann, G. P.Dunwoodie, W.Field, R. C.Sevilla, M. FrancoFulsom, B. G.Gabareen, A. M.Graham, M. T.Grenier, P.Hast, C.Innes, W. R.Kelsey, M. H.Kim, H.Kim, P.Kocian, M. L.Leith, D. W. G. S.Lewis, P.Li, S.Lindquist, B.Luitz, S.Luth, V.Lynch, H. L.MacFarlane, D. B.Muller, D. R.Neal, H.Nelson, S.Ofte, I.Perl, M.Pulliam, T.Ratcliff, B. N.Roodman, A.Salnikov, A. A.Schindler, R. H.Snyder, A.Su, D.Sullivan, M. K.Va'vra, J.Wagner, A. P.Weaver, M.Wisniewski, W. J.Wittgen, M.Wright, D. H.Wulsin, H. W.Yarritu, A. K.Young, C. C.Ziegler, V.Park, W.Purohit, M. V.White, R. M.Wilson, J. R.Randle-Conde, A.Sekula, S. J.Bellis, M.Benitez, J. F.Burchat, P. R.Miyashita, T. S.Alam, M. S.Ernst, J. A.Gorodeisky, R.Guttman, N.Peimer, D. R.Soffer, A.Lund, P.Spanier, S. M.Eckmann, R.Ritchie, J. L.Ruland, A. M.Schilling, C. J.Schwitters, R. F.Wray, B. C.Izen, J. M.Lou, X. C.Bianchi, F.Gamba, D.Lanceri, L.Vitale, L.Martinez-Vidal, F.Oyanguren, A.Ahmed, H.Albert, J.Banerjee, Sw.Choi, H. H. F.King, G. J.Kowalewski, R.Lewczuk, M. J.Nugent, I. M.Roney, J. M.Sobie, R. J.Tasneem, N.Gershon, T. J.Harrison, P. F.Latham, T. E.Puccio, E. M. T.Band, H. R.Dasu, S.Pan, Y.Prepost, R.Wu, S. L.
Source
Subject
High Energy Physics - Experiment
Language
Abstract
We search for hadronic decays of a light Higgs boson (A0) produced in radiative decays of an Upsilon(2S) or Upsilon(3S) meson, Upsilon --> gamma A0. The data have been recorded by the BABAR experiment at the Upsilon(3S) and Upsilon(2S) center of mass energies, and include (121.3 \pm 1.2) x 10^6 Upsilon(3S) and (98.3 \pm 0.9) x 10^6 Upsilon(2S) mesons. No significant signal is observed. We set 90% confidence level upper limits on the product branching fractions B(Upsilon(nS)-->gamma A0) x B(A0-->hadrons) (n=2 or 3) that range from 1 x 10^{-6} for an A0 mass of 0.3 GeV/c^2 to 8 x 10^{-5} at 7 GeV/c^2.
Comment: 7 pages, 5 postscript figures, submitted to Physical Review Letters