Journal Article

PUBDB-2026-01214

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Assessing (H)EFT theory errors by pitting EoM against field redefinitions

Alonso, R. ; Englert, C. ; Naskar, W. (Corresponding author)DESY* ; Rahaman, S. U.

2026
Springer Heidelberg

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Please use a persistent id in citations: doi:10.1007/JHEP03(2026)199

Report No.: DESY-25-171; IPPP/25/76; arXiv:2511.15609

Abstract: Truncations of effective field theory expansions are technically necessary but inherently intertwined with the redundancies of general field redefinitions. This can be viewed as a juxtaposition of power-counting and theoretical uncertainties, which seek to estimate neglected higher-dimensional interactions through approaches based on community consensus. One can then understand the invariance of physics under field redefinitions as a data-informed validation of different power-counting schemes, or as a means of assigning theoretical errors in comparison with algebraic, equation of motion-based replacements. Such an approach generalises widely accepted procedures for estimating theoretical uncertainties within the SM to non-renormalisable interactions. We perform a case study for a representative example in Higgs Effective Field theory, focusing on universal Higgs properties tensioned against process-dependent sensitivity expectations.

Keyword(s): Effective Field Theories ; Higgs Properties ; Specific BSM Phenomenology

Note: 27 pages, 6 figures, 2 tables, author final version published at JHEP. preprint:640488

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Contributing Institute(s):

1. Theorie-Gruppe (T)

Research Program(s):

1. 611 - Fundamental Particles and Forces (POF4-611) (POF4-611)
2. DFG project G:(GEPRIS)390833306 - EXC 2121: Das Quantisierte Universum II (390833306) (390833306)
3. DFG project G:(GEPRIS)491245950 - Open-Access-Publikationskosten / 2025-2027 / DESY Hamburg (491245950) (491245950)

Experiment(s):

1. No specific instrument

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