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Search for a light higgs boson decaying to two gluons or ss̄ in the radiative decays of Υ(1S)

  • Author(s): Lees, JP;
  • Poireau, V;
  • Tisserand, V;
  • Grauges, E;
  • Palano, A;
  • Eigen, G;
  • Stugu, B;
  • Brown, DN;
  • Kerth, LT;
  • Kolomensky, YG;
  • Lee, MJ;
  • Lynch, G;
  • Koch, H;
  • Schroeder, T;
  • Hearty, C;
  • Mattison, TS;
  • McKenna, JA;
  • So, RY;
  • Khan, A;
  • Blinov, VE;
  • Buzykaev, AR;
  • Druzhinin, VP;
  • Golubev, VB;
  • Kravchenko, EA;
  • Onuchin, AP;
  • Serednyakov, SI;
  • Skovpen, YI;
  • Solodov, EP;
  • Todyshev, KY;
  • Yushkov, AN;
  • Kirkby, D;
  • Lankford, AJ;
  • Mandelkern, M;
  • Dey, B;
  • Gary, JW;
  • Long, O;
  • Vitug, GM;
  • Campagnari, C;
  • Franco Sevilla, M;
  • Hong, TM;
  • Kovalskyi, D;
  • Richman, JD;
  • West, CA;
  • Eisner, AM;
  • Lockman, WS;
  • Schumm, BA;
  • Seiden, A;
  • Chao, DS;
  • Cheng, CH;
  • Echenard, B;
  • Flood, KT;
  • Hitlin, DG;
  • Ongmongkolkul, P;
  • Porter, FC;
  • Andreassen, R;
  • Huard, Z;
  • Meadows, BT;
  • Pushpawela, BG;
  • Sokoloff, MD;
  • Sun, L;
  • Bloom, PC;
  • Ford, WT;
  • Gaz, A;
  • Nauenberg, U;
  • Smith, JG;
  • Wagner, SR;
  • Ayad, R;
  • Toki, WH;
  • Spaan, B;
  • Schwierz, R;
  • Bernard, D;
  • Verderi, M;
  • Playfer, S;
  • Bettoni, D;
  • Bozzi, C;
  • Calabrese, R;
  • Cibinetto, G;
  • Fioravanti, E;
  • Garzia, I;
  • Luppi, E;
  • Piemontese, L;
  • Santoro, V;
  • Baldini-Ferroli, R;
  • Calcaterra, A;
  • De Sangro, R;
  • Finocchiaro, G;
  • Martellotti, S;
  • Patteri, P;
  • Peruzzi, IM;
  • Piccolo, M;
  • Rama, M;
  • Zallo, A;
  • Contri, R;
  • Guido, E;
  • Lo Vetere, M;
  • Monge, MR;
  • Passaggio, S;
  • Patrignani, C;
  • Robutti, E;
  • Bhuyan, B
  • et al.
Abstract

We search for the decay Υ(1S)→γA0, A0→gg or ss̄, where A0 is the pseudoscalar light Higgs boson predicted by the next-to-minimal supersymmetric Standard Model. We use a sample of (17.6±0.3)×106 Υ(1S) mesons produced in the BABAR experiment via e+e -→Υ(2S)→π+π-Υ(1S). We see no significant signal and set 90%-confidence-level upper limits on the product branching fraction B(Υ(1S)→γA0)·B(A0→gg or ss̄) ranging from 10-6 to 10-2 for A0 masses in the range 0.5-9.0 GeV/c2. © 2013 American Physical Society.

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