The scalar box integral and the Mellin - Barnes representation (1104.2661v1)

Published 14 Apr 2011 in math-ph, hep-th, and math.MP

Abstract: We solve exactly the scalar box integral using the Mellin-Barnes representation. Firstly we recognize the hypergeometric functions resumming the series coming from the scalar integrals, then we perform an analytic continuation before applying the Laurent expansion in² = (d !' 4)=2 of the result.

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Authors (1)

Paolo Valtancoli

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