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Estimate of Charming Penguins in B -> pi pi (CROSBI ID 491238)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Melić, Blaženka Estimate of Charming Penguins in B -> pi pi // Abstracts of the Conference on High Energy Physics : EPS ; u: European physical journal C : particles and fields (1434-6044) 33 (2004) (S). 2003. str. S250-S252

Podaci o odgovornosti

Melić, Blaženka

engleski

Estimate of Charming Penguins in B -> pi pi

We consider the problem of factorization in B decays and illustrate the calculation of nonfactorizable contributions employing the QCD light-cone sum rule method. We present a more detailed calculation of the "charming penguin" contributions as a potential source of the substantial nonfactorizable O(1/m_b) effects in the B -> pi pi decay. Although the predicted corrections are not sizable, by calculating the CP asymmetry we illustrate how such corrections can accumulate to a visible effect. In conclusion, nonfactorizable contributions in nonleptonic B decays into charmonium are briefly discussed.

charming penguin; factorization

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Podaci o prilogu

S250-S252.

2003.

objavljeno

Podaci o matičnoj publikaciji

Abstracts of the Conference on High Energy Physics : EPS ; u: European physical journal C : particles and fields (1434-6044) 33 (2004) (S)

Podaci o skupu

Conference on High Energy Physics EPS

pozvano predavanje

17.07.2003-23.07.2003

Aachen, Njemačka

Povezanost rada

Fizika