STrEAMlining EFT Matching

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 .

v2: published version, minimal changes

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• One-loop Matching of the Type-II Seesaw Model onto the Standard Model Effective Field Theory
• Neutrino seesaw models at one-loop matching: Discrimination by effective operators
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• Radiative Decays of Charged Leptons in the Seesaw Effective Field Theory with One-loop Matching
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• New Covariant Feynman Rules for Effective Field Theories
• The Universal One-Loop Effective Action with Gravity
• UV Completion of Neutral Triple Gauge Couplings
• One-loop Matching of Scotogenic Model onto Standard Model Effective Field Theory up to Dimension 7
• Complete One-loop Structure of the Type-(I+II) Seesaw Effective Field Theory
• Anomalies From the Covariant Derivative Expansion
• EFT, decoupling, Higgs boson mixing, and higher dimensional operators
• From Models to SMEFT and Back?
• Effective description of Nelson-Barr models and the theta parameter
• Constraining dimension-6 SMEFT with higher-order predictions for $pp\to tW$
• Two-loop dimension Six Effective Action: Integrating Out Heavy Scalar