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Subleading terms in asymptotic Passarino-Veltman functions

Abstract : 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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Contributor : Francoise Duceau <>
Submitted on : Thursday, November 8, 2007 - 6:37:00 PM
Last modification on : Saturday, June 20, 2020 - 4:18:04 PM

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M. Beccaria, G. J. Gounaris, J. Layssac, F. M. Renard. Subleading terms in asymptotic Passarino-Veltman functions. International Journal of Modern Physics A, World Scientific Publishing, 2008, 23/12, pp.1839-1862. ⟨10.1142/S0217751X08039839⟩. ⟨in2p3-00186368⟩



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