Recola2: a one-loop matrix-element generator for BSM theories and SM effective field theory

Abstract

We present the Recola2 library for the efficient generation and computation of one-loop amplitudes in Beyond-Standard-Model theories. Recola2 is based on Recola, an efficient one-loop amplitude generator for the Standard Model, and Rept1l, a newly developed tool to generate one-loop model files for Recola2 in a fully automated way. Recola2 is able to operate with non-trivial extensions of the SM, e.g. extended Higgs sectors and effective field theories. We discuss first applications to extended Higgs sectors and their renormalization.

arXiv comment6 pages, contribution to the proceedings of the 13th International Symposium on Radiative Corrections (RADCOR 2017)

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