STrEAMlining EFT Matching

Creators: Cohen, Timothy; Lu, Xiaochuan; Zhang, Zhengkang

Abstract

This paper presents STrEAM (SuperTrace Evaluation Automated for Matching), a Mathematica package that calculates all functional supertraces which arise when matching a generic UV model onto a relativistic Effective Field Theory (EFT) at one loop and to arbitrary order in the heavy mass expansion. STrEAM implements the covariant derivative expansion to automate the most tedious step of the streamlined functional matching prescription presented in arXiv:2011.02484 . The code and an example notebook are available at https://www.github.com/EFTMatching/STrEAM.

Additional Information

© 2021 T. Cohen et al. This work is licensed under the Creative Commons Attribution 4.0 International License. Published by the SciPost Foundation. Received 15-01-2021; Accepted 16-04-2021; Published 03-05-2021. We thank Javier Fuentes-Martín, Matthias König, Julie Pagès, Anders Eller Thomsen, and Felix Wilsch for communications about their related work [50] and cross-checks. T.C. and X.L. are supported by the U.S. Department of Energy, under grant number DE-SC0011640. Z.Z.'s work was supported in part by the U.S. Department of Energy, Office of Science, Office of High Energy Physics, under Award Number DE-AC02-05CH11231.

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Published - SciPostPhys_10_5_098.pdf

Submitted - 2012.07851.pdf

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