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

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

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Nagahiro, Hideko; Yamagata-Sekihara, Junko; Oset Báguena, Eulogio; Hirenzaki, Satoru; Molina Peralta, Raquel

Aquest document és un/a article, creat/da en: 2009

Using recent results obtained within the hidden gauge formalism for vector mesons, in which the f0(1370) and f2(1270) resonances are dynamically generated resonances from the ρρ interaction, we evaluate the radiative decay of these resonances into γγ. We obtain results for the width in good agreement with the experimental data for the f2(1270) state and a width about a factor five smaller for the f0(1370) resonance, which would agree with preliminary results from the Belle collaboration, hinting at an order of magnitude smaller width for this resonance than for the f2(1270).

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