Exclusive B -> K^* l^+ l^- decay with polarized K^* and new physics effects

Details Exclusive B -> K^* l^+ l^- decay with polarized K^* and new physics effects Exclusive B -> K^* l^+ l^- decay with polarized K^* and new physics effects

2001-03-23

arxiv.org/abs/hep-ph/0103261v1

Phys.Lett. B511 (2001) 49-58

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pp, 6 figures (postscript formatted), LaTex formatted

Scientific paper

10.1016/S0370-2693(01)00574-3

Using the most general, model independent effective Hamiltonian, the branching ratio of the (B -> K^* l^+ l^-) decay, when K^* meson is longitudinally or transversally polarized, is presented. The dependence of the branching ratio on the new Wilson coefficients, when K^* meson is polarized, is studied. It is observed that the branching ratio is very sensitive to the vector and tensor type interactions, which will be useful in search of new physics beyond the Standard Model.

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