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Constraints on Lorentz violation parameter through electric dipole moments
Aghababaei, Sarah
The European physical journal. C, Particles and fields, 2024-02, Vol.84 (2), p.173-7, Article 173
[Peer Reviewed Journal]
Berlin/Heidelberg: Springer Berlin Heidelberg
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Title:
Constraints on Lorentz violation parameter through electric dipole moments
Author:
Aghababaei, Sarah
Subjects:
Astronomy
;
Astrophysics and Cosmology
;
Dipole moments
;
Electric dipoles
;
Electrodynamics
;
Elementary Particles
;
Experiments
;
Hadrons
;
Heavy Ions
;
High energy physics
;
Leptons
;
Measurement Science and Instrumentation
;
Muons
;
Nuclear Energy
;
Nuclear Physics
;
Parameters
;
Physics
;
Physics and Astronomy
;
Quantum Field Theories
;
Quantum Field Theory
;
Regular Article - Theoretical Physics
;
String Theory
;
Symmetry
;
Upper bounds
Is Part Of:
The European physical journal. C, Particles and fields, 2024-02, Vol.84 (2), p.173-7, Article 173
Description:
The electric dipole moments of leptons (l-EDMs) could arise from the electrodynamics part of standard model extension (SME). In this work, we investigate the cross section of electron-positron collision in the Lorentz violation (LV) background via the l-EDMs. We find that the Lorentz violation parameter magnitudes constraint using LEP data to the level of | d LV e | < 3.6 × 10 - 17 , | d LV μ | < 9.5 × 10 - 10 , and | d LV τ | < 1.5 × 10 - 6 for electron, muon, and tau, respectively. Moreover, we show the time-location dependence of muon-EDMs and tau-EDMs in the LV background. Therefore, upper bounds for combinations of LV parameters are obtained by current and future terrestrial experiments.
Publisher:
Berlin/Heidelberg: Springer Berlin Heidelberg
Language:
English
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