Search for f_J(2220) in radiative J/psi decays

Details Search for f_J(2220) in radiative J/psi decays Search for f_J(2220) in radiative J/psi decays

2010-07-20

arxiv.org/abs/1007.3526v2

Phys.Rev.Lett.105:172001,2010

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 6 postscript figures, submitted to Phys. Rev. Lett., Typos corrected, unneeded reference removed, extra sentence on M

Scientific paper

10.1103/PhysRevLett.105.172001

We present a search for f_J(2220) production in radiative J/psi -> gamma f_J(2220) decays using 460 fb-1 of data collected with the BABAR detector at the SLAC PEP-II e+e- collider. The f_J(2220) is searched for in the decays to K+K- and KsKs. No evidence of this resonance is observed, and 90% confidence level upper limits on the product of the branching fractions for J/psi -> gamma f_J(2220), f_J(2220) -> K+K- and J/psi -> gamma f_J(2220), f_J(2220) -> KsKs as a function of spin and helicity are set at the level of 10-5. These values are below the central values reported by the Mark III experiment.

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