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arXiv · 1208.5304

Extended nonlocal chiral-quark model for the heavy-light quark systems

Seung-il Nam
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Abstract

In this talk, we report the recent progress on constructing a phenomenological effective model for the heavy-light quark systems, which consist of (u,d,s,c,b) quarks, i.e. extended nonlocal chiral-quark model (ExNLChQM). We compute the heavy-meson weak-decay constants to verify the validity of the model. From the numerical results, it turns out that (f_D, f_B, f_{D_s}, f_{B_s})=(207.54,208.13,262.56,262.39) MeV. These values are in relatively good agreement with experimental data and various theoretical estimations.

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Seung-il Nam. 2012-08-27. Extended nonlocal chiral-quark model for the heavy-light quark systems. https://doi.org/10.1007/s00601-012-0522-z

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