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Title: Weak decays in the light-front quark model
Authors: O'Donnell, PJ
Xu, QP
Tung, HKK
Keywords: B mesons
Form factors (elementary particles)
Meson decay
Quark mass
Quark models
Scaling phenomena
Semileptonic decays
Weak particle decay
Issue Date: 1-Oct-1995
Publisher: American Physical Society
Source: Physical review D, particles, fields, gravitation, and cosmology, Oct. 1995, v. 52, no. 7, p. 3966-3977 How to cite?
Journal: Physical review D, particles, fields, gravitation, and cosmology 
Abstract: We study the form factors of heavy-to-heavy and heavy-to-light weak decays using the light-front relativistic quark model. For the heavy-to-heavy B→D(*) semileptonic decays we calculate the corresponding Isgur-Wise function for the while kinematic region. For the heavy-to-light B→P and B→V semileptonic decays we calculate the form factors at q²=0; in particular, we have derived the dependence of the form factors on the b-quark mass in the mb→∞ limit. This dependence cannot be produced by extrapolating the scaling behavior of the form factors at q[sub max]² using the single-pole assumption. This shows that the q² dependence of the form factors in regions far away from the zero recoil could be much more complicated than that predicted by the single-pole assumption.
ISSN: 1550-7998 (print)
1550-2368 (online)
DOI: 10.1103/PhysRevD.52.3966
Rights: Physical Review D © 1995 The American Physical Society. The Journal's web site is located at
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