Matching QCD and HQET heavy–light currents at three loops Original Research Article
Author/Authors :
S. Bekavac، نويسنده , , A.G. Grozin، نويسنده , , P. Marquard، نويسنده , , J.H. Piclum، نويسنده , , ANDREW D. SEIDEL، نويسنده , , M. Steinhauser، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2010
Pages :
18
From page :
46
To page :
63
Abstract :
We consider the currents formed by a heavy and a light quark within Quantum Chromodynamics and compute the matching to Heavy Quark Effective Theory to three-loop accuracy. As an application we obtain the third-order perturbative corrections to ratios of B-meson decay constants.
Keywords :
Radiative corrections , Heavy Quark Effective Theory
