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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
  • 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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