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Title: Search for f_J(2220) in radiative J/psi decays
Author: Graugés Pous, Eugeni
Garra Ticó, Jordi
BABAR Collaboration
Keywords: Partícules (Física nuclear)
Particles (Nuclear physics)
Issue Date: 2010
Publisher: American Physical Society
Abstract: We present a search for fJ(2220) production in radiative J/ψ→γfJ(2220) decays using 460fb-1 of data collected with the BABAR detector at the SLAC PEP-II e+e- collider. The fJ(2220) is searched for in the decays to K+K- and KS0KS0. No evidence of this resonance is observed, and 90% confidence level upper limits on the product of the branching fractions for J/ψ→γfJ(2220) and fJ(2220)→K+K-(KS0KS0) as a function of spin and helicity are set at the level of 10-5, below the central values reported by the Mark III experiment.
Note: Reproducció del document publicat a:
It is part of: Physical Review Letters, 2010, vol. 105, num. 17, p. 172001
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ISSN: 0031-9007
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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