Radiative (phi -> f0(980) gamma) decay in light cone QCD sum rules
Abstract
The light cone QCD sum rules method is used to calculate the transition form factor for the radiative (phi -> f0 gamma) decay, assuming that the quark content of the (f0) meson is pure (barss) state. The branching ratio is estimated to be Br(phi -> f0 gamma) = 3.5 x (1 pm 0.3) x 10(-4). A comparison of our prediction on branching ratio with the theoretical results and experimental data existing in literature is presented.
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