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Estimate of the charming penguin contributions to B -> pi pi

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Polje Vrijednost
 
Relacija http://fulir.irb.hr/545/
http://link.springer.com/article/10.1140%2Fepjcd%2Fs2003-03-124-3
10.1140/epjcd/s2003-03-124-3
 
Naslov Estimate of the charming penguin contributions to B -> pi pi
 
Autor Melić, Blaženka
 
Tema Physics
Physics of Elementary Particles and Fields
 
Opis 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.
 
Izdavač EDP Sciences: EPJ
 
Datum 2004-07
 
Vrsta resursa Article
PeerReviewed
 
Format (na primjer PDF) application/pdf
 
Jezik en
english
 
Prava
 
Identifikator http://fulir.irb.hr/545/1/Estimate_of_the_charming_penguin.pdf
Melić, Blaženka (2004) Estimate of the charming penguin contributions to B -> pi pi European Physical Journal C: Particles and Fields, 33 (1). S250-S252. ISSN 1434-6044