Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-03-21
Phys.Rev.D52:1353-1358,1995
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, LaTeX, 5 tables and 2 figures are appended in uuencoded postscript format, revised version (changes made to appear i
Scientific paper
10.1103/PhysRevD.52.1353
The massive one-loop {\it QCD} corrections to the production cross sections of We present the massive one-loop {\it QCD} corrections to the production cross sections of polarized quarks in the annihilation process $e^+e^-\to q\bar{q}(g)$ for bottom, top, and charm quarks. From the full analytical expressions for the production cross sections, Schwinger-type interpolation formulae for all parity-parity combinations $(VV, V\!A, AA)$ are derived. The parity-odd interpolation formula contains the correct limit for vanishing quark masses taking into account a residual coupling of left- and right-chiral states in the massless theory. Numerical results for the total cross section and the longitudinal spin polarization demonstrate the accuracy of the interpolation formulae.
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