B-> K photon photon via intermediate eta'

Abstract

We examine our previous conjecture that the eta' intermediate resonance has the dominant role in the long distance contributions to B decay into two photons and a strange final state hadron. We calculate the branching ratio of the exclusive B-> K eta'-> K photon photon decay using the nonspectator mechanism for eta' production in charmless hadronic B decays. It is shown that the obtained branching ratio B^eta'(B-> Kγγ)~ 8.7 X 10^{-7} is more than twice as large as the eta_c contribution to this decay mode.

6 pages, latex, no figures

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Cited by in corpus (3)

• Study of the Flavour Changing Neutral Current Decay mode $B\to K\gamma \gamma$
• Spectator Effects in the Decay B -> K γγ
• CP violation in the decay mode $B\to \pi \gamma \gamma$