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Further search for the two-photon production of the glueball candidate fJ(2220)

  • Author(s): Alam, MS;
  • Athar, SB;
  • Ling, Z;
  • Mahmood, AH;
  • Timm, S;
  • Wappler, F;
  • Anastassov, A;
  • Duboscq, JE;
  • Gan, KK;
  • Hart, T;
  • Honscheid, K;
  • Kagan, H;
  • Kass, R;
  • Lee, J;
  • Schwarthoff, H;
  • Spencer, MB;
  • Wolf, A;
  • Zoeller, MM;
  • Richichi, SJ;
  • Severini, H;
  • Skubic, P;
  • Undrus, A;
  • Bishai, M;
  • Fast, J;
  • Hinson, JW;
  • Menon, N;
  • Miller, DH;
  • Shibata, EI;
  • Shipsey, IPJ;
  • Glenn, S;
  • Kwon, Y;
  • Lyon, AL;
  • Roberts, S;
  • Thorndike, EH;
  • Jessop, CP;
  • Lingel, K;
  • Marsiske, H;
  • Perl, ML;
  • Savinov, V;
  • Ugolini, D;
  • Zhou, X;
  • Coan, TE;
  • Fadeyev, V;
  • Korolkov, I;
  • Maravin, Y;
  • Narsky, I;
  • Shelkov, V;
  • Staeck, J;
  • Stroynowski, R;
  • Volobouev, I;
  • Ye, J;
  • Artuso, M;
  • Dambasuren, E;
  • Efimov, A;
  • Kopp, S;
  • Moneti, GC;
  • Mountain, R;
  • Schuh, S;
  • Skwarnicki, T;
  • Stone, S;
  • Titov, A;
  • Viehhauser, G;
  • Wang, JC;
  • Bartelt, J;
  • Csorna, SE;
  • Mc Lean, KW;
  • Marka, S;
  • Godang, R;
  • Kinoshita, K;
  • Lai, IC;
  • Pomianowski, P;
  • Schrenk, S;
  • Bonvicini, G;
  • Cinabro, D;
  • Greene, R;
  • Perera, LP;
  • Zhou, GJ;
  • Chadhha, M;
  • Chan, S;
  • Eigen, G;
  • Miller, JS;
  • Schmidtler, M;
  • Urheim, J;
  • Weinstein, AJ;
  • Würthwein, F;
  • Bliss, DW;
  • Jaffe, DE;
  • Masek, G;
  • Paar, HP;
  • Potter, EM;
  • Prell, S;
  • Sivertz, M;
  • Sharma, V;
  • Asner, DM;
  • Gronberg, J;
  • Hill, TS;
  • Lange, DJ;
  • Morrison, RJ;
  • Nelson, HN;
  • Nelson, TK
  • et al.
Abstract

The CLEO II detector at the e+e− storage ring CESR has been used to search for two-photon production of the fJ(2220) decaying into π+π−. No evidence for a signal is found in 4.77fb−1 of data and a 95% C.L. upper limit on [τγγBπ+π−]fJ(2220) of 2.5 eV is set. If this result is combined with the BES Collaboration's measurement of fJ(2220)→π+π− in radiative J/Ψ decay and the recent CLEO result for [τγγBK0SK0S]fJ(2220), a 95% C.L. lower limit on the stickiness of 102 is obtained. This result for the stickiness provides further support for a substantial neutral parton content in the fJ(2220). © 1998 The American Physical Society.

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