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Título: | Search for f (J) (2220) in Radiative J/psi Decays |
Autor: | Babar Collaboration; López-March, Neus CSIC; Martínez-Vidal, Fernando CSIC ORCID; Milanés, Diego A. CSIC ORCID; Oyanguren, Arantza CSIC ORCID; Sánchez, P. D.; Lees, J. P. | Fecha de publicación: | 19-oct-2010 | Editor: | American Physical Society | Citación: | Physical Review Letters 105 (17): 172001(2010) | Resumen: | 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 (KSKS0)-K-0. 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) and f(J)(2220) --> K+K-((KSKS0)-K-0) 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. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevLett.105.172001 | URI: | http://hdl.handle.net/10261/29133 | DOI: | 10.1103/PhysRevLett.105.172001 | ISSN: | 0031-9007 |
Aparece en las colecciones: | (IFIC) Artículos |
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search for 2220-Babar.pdf | 193,46 kB | Adobe PDF | Visualizar/Abrir |
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