Radiative (phi -> f_0(980) gamma) decay in light cone QCD sum rules

Details Radiative (phi -> f_0(980) gamma) decay in light cone QCD sum rules Radiative (phi -> f_0(980) gamma) decay in light cone QCD sum rules

2001-11-08

arxiv.org/abs/hep-ph/0111102v2

Phys.Lett.B527:193-198,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pp, 1 figure (postscript formatted), LaTex formatted

Scientific paper

10.1016/S0370-2693(02)01169-3

The light cone QCD sum rules method is used to calculate the transition form factor for the radiative (phi -> f_0 gamma) decay, assuming that the quark content of the (f_0) meson is pure (bar{s}s) state. The branching ratio is estimated to be Br(phi -> f_0 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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