More about on the short distance contribution to the "B_c -> B_u^* gamma" decay

Details More about on the short distance contribution to the "B_c -> B_u^* gamma" decay More about on the short distance contribution to the "B_c -> B_u^* gamma" decay

1999-07-31

arxiv.org/abs/hep-ph/9908203v3

Phys.Lett.B480:97-104,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 2 figures, LaTeX formatted

Scientific paper

10.1016/S0370-2693(00)00378-6

We calculate the transition form factor for the 'B_c -> B_u^* gamma' decay
taking into account only the short distance contribution, in framework of QCD
sum rules method. We observe that the transition form factor predicted by the
QCD sum rules method is approximately two times larger compared to the result
predicted by the Isgur, Scora, Grinstein and Wise model.

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