Perturbative approach to the penguin induced B -> pi Φ decay (CROSBI ID 690366)
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Podaci o odgovornosti
Melić, Blaženka
engleski
Perturbative approach to the penguin induced B -> pi Φ decay
Using a modified perturbative approach that includes the Sudakov resummation and transverse degrees of freedom we analyze the penguin-induced B -> pi phi decay. The perturbative method enables us to include nonfactorizable contributions and to control virtual momenta appearing in the process. The calculation supports the results obtained in the standard BSW factorization approach, illustrating the electroweak penguin dominance and the branching ratio of order O(10^{;-8};). However, the estimated prediction of 16% for CP asymmetry is much larger than that obtained in the factorization approach.
pQCD, nonfactorizable contributions
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Podaci o prilogu
1999.
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Podaci o matičnoj publikaciji
Podaci o skupu
International Europhysics Conference, HEP99
pozvano predavanje
15.07.1999-21.07.1999
Tampere, Finska