Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-01-31
Phys.Rev.D76:014013,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
25 pages, 4 figures
Scientific paper
10.1103/PhysRevD.76.014013
The light cone method provides a convenient non-perturbative tool to study the heavy-to-light form factors. We construct a light cone quark model utilizing the soft collinear effective theory. In the leading order of effective theory, the ten $B$ to light physical form factors are reduced to three universal form factors which can be calculated as overlaps of hadron light front wave functions in the light cone quark model. The numerical results show that the leading contribution is close to the results from other approaches. The $q^2$ dependence of the heavy-to-light form factors are also presented.
Lu Cai-Dian
Wang Wei
Wei Zheng-Tao
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