LATTICE-CONSTRAINED PARAMETRIZATIONS OF FORM-FACTORS FOR SEMILEPTONICAND RARE RADIATIVE B-DECAY

Authors
DELDEBBIO L FLYNN JM LELLOUCH L NIEVES J
Citation
L. Deldebbio et al., LATTICE-CONSTRAINED PARAMETRIZATIONS OF FORM-FACTORS FOR SEMILEPTONICAND RARE RADIATIVE B-DECAY, Nuclear physics. B, Proceedings supplement, 63, 1998, pp. 383-385
Citations number
12
Categorie Soggetti
Physics, Particles & Fields
Journal title
Nuclear physics. B, Proceedings supplement → ACNP
ISSN journal
09205632
Volume
63
Year of publication
1998
Pages
383 - 385
Database
ISI
SICI code
0920-5632(1998)63:<383:LPOFFS>2.0.ZU;2-W
Abstract
We describe the form factors for (B) over bar(0) --> rho(+)I(-)<(nu)ov er bar>(iota) and B --> Kgamma decays with just two parameters and th e two form factors for (B) over bar(0) --> pi(+)iota(-)<(nu)over bar>( iota) with three parameters. The parametrizations are constrained by l attice results and are consistent with heavy quark symmetry, kinematic constraints and light cone sum rule scaling relations.