The B^- -> phi phi K^- decay rate with phi phi invariant mass below charm treshold

Details The B^- -> phi phi K^- decay rate with phi phi invariant mass below charm treshold The B^- -> phi phi K^- decay rate with phi phi invariant mass below charm treshold

2004-01-16

arxiv.org/abs/hep-ph/0401120v2

Phys.Rev. D69 (2004) 114020

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 4 figures, 2 tables

Scientific paper

10.1103/PhysRevD.69.114020

We investigate the decay mechanism in the B^- -> phi phi K^- decay with the phi phi invariant mass below the charm threshold and in the neighborhood of the eta_c invariant mass region. Our approach is based on the use of factorization model and the knowledge of matrix elements of the weak currents. For the B meson weak transition we apply form factor formalism, while for the light mesons we use effective weak and strong Lagrangians. We find that the dominant contributions to the branching ratio come from the eta, eta' and eta(1490) pole terms of the penguin operators in the decay chains B^- -> eta (eta', eta(1490)) K^- -> phi phi K^-. Our prediction for the branching ratio is in agreement with the Belle's result.

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