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Renormalizing two-fermion operators in the SMEFT via supergeometry

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3];  [4]
  1. Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Univ. of Cincinnati, OH (United States)
  2. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  3. Univ. of California, San Diego, CA (United States)
  4. National Taiwan Univ., Taipei (Taiwan); Leung Center for Cosmology and Particle Astrophysics, Taipei (Taiwan); National Center for Theoretical Sciences (NCTS), Taipei (Taiwan)
We extend the geometric framework of field-space covariance for loop computations, thereby unifying the treatment of scalars, fermions, and gauge bosons in effective field theories. This allows us to derive a manifestly covariant formula for one-loop UV divergences that includes contributions from mixed boson-fermion graphs. The result is expressed in terms of geometric invariants of the field-space supermanifold. As a demonstration of this formula, we compute the renormalization group equations for two-fermion operators at the dimension-eight level in the Standard Model Effective Field Theory.
Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
National Science Foundation (NSF); Simons Foundation; USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
89243024CSC000002; SC0009919; SC0011784
OSTI ID:
2564426
Report Number(s):
CERN-TH--2025-084; FERMILAB-PUB--25-0280-V; oai:inspirehep.net:2915600; arXiv:2504.18537
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 12 Vol. 2025; ISSN 1029-8479
Publisher:
Springer NatureCopyright Statement
Country of Publication:
United States
Language:
English

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