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http://hdl.handle.net/10397/5397
Title: | Weak decays in the light-front quark model | Authors: | O'Donnell, PJ Xu, QP Tung, HKK |
Issue Date: | 1-Oct-1995 | Source: | Physical review. D, Particles, fields, gravitation, and cosmology, Oct. 1995, v. 52, no. 7, p. 3966-3977 | 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. | Keywords: | B mesons Form factors (elementary particles) Meson decay Quark mass Quark models Scaling phenomena Semileptonic decays Weak particle decay |
Publisher: | American Physical Society | Journal: | Physical review. D, Particles, fields, gravitation, and cosmology | ISSN: | 1550-7998 | EISSN: | 1550-2368 | DOI: | 10.1103/PhysRevD.52.3966 | Rights: | Physical Review D © 1995 The American Physical Society. The Journal's web site is located at http://prd.aps.org/ |
Appears in Collections: | Journal/Magazine Article |
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ODonnell_Decays_Light-front_Quark.pdf | 520.47 kB | Adobe PDF | View/Open |
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