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{gamma}{gamma} decay of the f{sub 0}(1370) and f{sub 2}(1270) resonances in the hidden gauge formalism

Journal Article · · Physical Review. D, Particles Fields
 [1];  [2];  [1];  [3];  [4]
  1. Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka 567-0047 (Japan)
  2. Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502 (Japan)
  3. Department of Physics, Nara Women's University, Nara 630-8506 (Japan)
  4. Departamento de Fisica Teorica and IFIC, Centro Mixto Universidad de Valencia-CSIC, Institutos de Investigacion de Paterna, Apartado 22085, 46071 Valencia (Spain)
+ Show Author Affiliations
Using recent results obtained within the hidden gauge formalism for vector mesons, in which the f{sub 0}(1370) and f{sub 2}(1270) resonances are dynamically generated resonances from the {rho}{rho} interaction, we evaluate the radiative decay of these resonances into {gamma}{gamma}. We obtain results for the width in good agreement with the experimental data for the f{sub 2}(1270) state and a width about a factor 2 smaller for the f{sub 0}(1370) resonance, which is also in agreement with the data of the Crystal Ball Collaboration and with the more recent ones from the Belle Collaboration, which, however, have a very large uncertainty.
OSTI ID:
21296458
Journal Information:
Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 11 Vol. 79; ISSN PRVDAQ; ISSN 0556-2821
Country of Publication:
United States
Language:
English

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CRYSTALS
F2-1270 MESONS
GAMMA DECAY
GAUGE INVARIANCE
INTERACTIONS
RADIATIVE DECAY
RESONANCE
VECTOR MESONS