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Dipole operators in Fierz identities


Aebischer, Jason; Pesut, Marko; Polonsky, Zachary (2023). Dipole operators in Fierz identities. Physics Letters B, 842:137968.

Abstract

We study the contribution from dipole operators to one-loop Fierz identities and provide the resulting QCD and QED shifts to the tree-level relations for all four-fermion operators. The results simplify one-loop basis changes as well as matching computations and allow one to consistently eliminate operators
from an operator basis which give rise to complications, e.g. traces involving γ5 .

Abstract

We study the contribution from dipole operators to one-loop Fierz identities and provide the resulting QCD and QED shifts to the tree-level relations for all four-fermion operators. The results simplify one-loop basis changes as well as matching computations and allow one to consistently eliminate operators
from an operator basis which give rise to complications, e.g. traces involving γ5 .

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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Nuclear and High Energy Physics
Uncontrolled Keywords:Nuclear and High Energy Physics
Language:English
Date:1 July 2023
Deposited On:05 Jan 2024 13:16
Last Modified:30 Jun 2024 01:36
Publisher:Elsevier
ISSN:0370-2693
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1016/j.physletb.2023.137968
Project Information:
  • : FunderHorizon 2020
  • : Grant ID
  • : Project Title
  • : FunderH2020
  • : Grant ID833280
  • : Project TitleFLAY - Flavor Anomalies and the origin of the Yukawa couplings
  • : FunderEuropean Research Council
  • : Grant ID
  • : Project Title
  • Content: Published Version
  • Language: English
  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)