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g(B*Bpi)-coupling in the static heavy quark limit

Authors :
Becirevic, Damir
Blossier, Benoit
Chang, Emmanuel
Haas, Benjamin
Source :
Phys.Lett.B679:231-236,2009
Publication Year :
2009

Abstract

By means of QCD simulations on the lattice, we compute the coupling of the heavy-light mesons to a soft pion in the static heavy quark limit. The gauge field configurations used in this calculations include the effect of N_f=2 dynamical Wilson quarks, while for the static quark propagator we use its improved form (so called HYP). On the basis of our results we obtain that the coupling g=0.44 +/- 0.03 (+0.07/-0.00), where the second error is flat (not gaussian).<br />Comment: 7 pages, 3 figs (published version)

Details

Database :
arXiv
Journal :
Phys.Lett.B679:231-236,2009
Publication Type :
Report
Accession number :
edsarx.0905.3355
Document Type :
Working Paper
Full Text :
https://doi.org/10.1016/j.physletb.2009.07.031