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QCD sum rules study of the semileptonic B-s(B-+/-)(B-0) -> D-s[1968](D-0)(D-+/-)lv decays
Date
2008-09-21
Author
Azizi, K.
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The form factors of the semileptonic Bq -> D-q (J(P) = 0(-))lv with q =s, u,d transitions are calculated in the framework of three point QCD sum rules. Using the q(2) dependencies of the relevant form factors, the total decay width and the branching ratio for these decays are also evaluated. A comparison of our results for the form factors of B -> Dlv with the lattice QCD predictions within heavy quark effective theory and zero recoil limit is presented. Our results of the branching ratio are in good agreement with the constituent quark meson model for (q = s, u, d) and experiment for (q = u, d). The result of branching ratio for B-s -> D-s(1968)lv indicates that this transition can also be detected at LHC in the near future.
Subject Keywords
Form-factors
,
Phsics
,
Mesons
URI
https://hdl.handle.net/11511/64280
Journal
NUCLEAR PHYSICS B
DOI
https://doi.org/10.1016/j.nuclphysb.2008.04.01
Collections
Department of Physics, Article
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K. Azizi, “QCD sum rules study of the semileptonic B-s(B-+/-)(B-0) -> D-s[1968](D-0)(D-+/-)lv decays,”
NUCLEAR PHYSICS B
, pp. 70–80, 2008, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/64280.