European Physical Journal C: Particles and Fields (Jan 2022)

Mellin–Barnes integrals and the method of brackets

  • Ivan Gonzalez,
  • Igor Kondrashuk,
  • Victor H. Moll,
  • Luis M. Recabarren

DOI
https://doi.org/10.1140/epjc/s10052-021-09977-x
Journal volume & issue
Vol. 82, no. 1
pp. 1 – 20

Abstract

Read online

Abstract The method of brackets is a method for the evaluation of definite integrals based on a small number of rules. This is employed here for the evaluation of Mellin–Barnes integral. The fundamental idea is to transform these integral representations into a bracket series to obtain their values. The expansion of the gamma function in such a series constitute the main part of this new application. The power and flexibility of this procedure is illustrated with a variety of examples.