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Titolo:
Charming penguin contributions to B -> K pi - art. no. 014029
Autore:
Isola, C; Ladisa, M; Nardulli, G; Pham, TN; Santorelli, P;
Indirizzi:
Ecole Polytech, CNRS, UMR 7644, Ctr Phys Theor, F-91128 Palaiseau, France Ecole Polytech Palaiseau France F-91128 Theor, F-91128 Palaiseau, France Univ Bari, Dipartimento Fis, Ist Nazl Fis Nucl, Sez Bari, I-70121 Bari, Italy Univ Bari Bari Italy I-70121 azl Fis Nucl, Sez Bari, I-70121 Bari, Italy Univ Naples Federico II, Dipartimento Sci Fis, Ist Nazl Fis Nucl, Sez Napoli, Naples, Italy Univ Naples Federico II Naples Italy is Nucl, Sez Napoli, Naples, Italy
Titolo Testata:
PHYSICAL REVIEW D
fascicolo: 1, volume: 6401, anno: 2001,
pagine: 4029 -
SICI:
0556-2821(20010701)6401:1<4029:CPCTB->2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
B-MESON DECAYS; RELATIVISTIC POTENTIAL MODEL; SEMILEPTONIC DECAYS; QCD FACTORIZATION; CP VIOLATION; HEAVY-QUARK; ASYMMETRIES; PHASES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
42
Recensione:
Indirizzi per estratti:
Indirizzo: Isola, C Ecole Polytech, CNRS, UMR 7644, Ctr Phys Theor, F-91128 Palaiseau, France Ecole Polytech Palaiseau France F-91128 91128 Palaiseau, France
Citazione:
C. Isola et al., "Charming penguin contributions to B -> K pi - art. no. 014029", PHYS REV D, 6401(1), 2001, pp. 4029

Abstract

We present calculations of the charming-penguin long-distance contributions to B --> K pi decays due to intermediate charmed meson states. Our calculation is based on the chiral effective Lagrangian for light and heavy mesons, corrected for the hard pion and kaon momenta. We find that the charming-penguin contributions increase significantly the B-->K pi decay rates in comparison with the short-distance contributions, giving results in better agreement with experimental data.

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Documento generato il 26/01/20 alle ore 10:08:35