Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-07-26
Phys.Rev.D74:054031,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages, 5 figures; as accepted for Phys. Rev. D
Scientific paper
10.1103/PhysRevD.74.054031
In this paper we study the angular distribution of the rare B decay $B \to K^*_2 (\to K \pi) l^+ l^-$, which is expected to be observed soon. We use the standard effective Hamiltonian approach, and use the form factors that have already been estimated for the corresponding radiative decay $B \to K^*_2 \gamma$. The additional form factors that come into play for the dileptonic channel are estimated using the large energy effective theory (LEET), which enables one to relate the additional form factors to the form factors for the radiative mode. Our results provide, just like in the case of the $K^*(892)$ resonance, an opportunity for a straightforward comparison of the basic theory with experimental results which may be expected in the near future for this channel.
Choudhury Sudipto R.
Cornell Alan S.
Joshi Girish C.
McKellar Bruce H. J.
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