Subleading terms in asymptotic Passarino-Veltman functions

Details Subleading terms in asymptotic Passarino-Veltman functions Subleading terms in asymptotic Passarino-Veltman functions

2007-11-07

arxiv.org/abs/0711.1067v2

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.

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