Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-10-08
Phys.Lett.B604:91-97,2004
Physics
High Energy Physics
High Energy Physics - Phenomenology
AMS-LaTeX, 8 pages, 6 PostScript figures
Scientific paper
10.1016/j.physletb.2004.10.051
The paper is devoted to the calculation of the two-loop O(alpha_s y^2) and O(y^4) MSSM corrections to the relation between the pole mass of the b-quark and its running mass in DR scheme. To evaluate the needed diagrams the large mass expansion procedure is used. The obtained contributions are negative in most of the regions of the parameter space and partly compensate the positive O(alpha_s^2) contribution calculated earlier.
Bednyakov A. A.
Sheplyakov A.
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