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Nonfactorizable soft contributions in the B -> eta K-c, x(c)0K decays with the light-cone sum rule approach

Author:
Li, L  Wang, ZG  Huang, T  


Journal:
PHYSICAL REVIEW D


Issue Date:
2004


Abstract(summary):

In this article, we calculate the nonfactorizable soft contributions in the B-->eta(c)K,chi(c0)K decays with the light-cone QCD sum rules approach. Our results show that the nonfactorizable corrections from the soft-gluon exchanges in the decay B-->eta(c)K are of (15-30)% and should be taken into account. As for the decay B-->chi(c0)K, the factorizable contributions are zero and the nonfactorizable contributions from the soft hadronic matrix elements are too small to accommodate the experimental data.


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