4.3 Article

The pseudothreshold expansion of the 2-loop sunrise selfmass master amplitudes

Journal

NUCLEAR PHYSICS B
Volume 581, Issue 1-2, Pages 274-294

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/S0550-3213(00)00274-1

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The values at pseudothreshold of two loop sunrise master amplitudes with arbitrary masses are obtained by solving a system of differential equations. The expansion at pseudothreshold of the amplitudes is constructed and some lowest terms are explicitly presented. (C) 2000 Elsevier Science B.V. All rights reserved.

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