Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-11-07
Int.J.Mod.Phys.A23:1839-1862,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
25 pages, 9 eps figures
Scientific paper
10.1142/S0217751X08039839
We write explicit and self-contained asymptotic expressions for the tensorial B, C and D Passarino-Veltman functions. These include quadratic and linear logarithmic terms, as well as subleading constant terms. Only mass-suppressed O(m^2/s) contributions are neglected. We discuss the usefulness of such expressions, particularly for studying one-loop effects in 2-to-2 body processes at high energy.
Beccaria Matteo
Gounaris G. J.
Layssac J.
Renard Fernand M.
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