Lepton Flavor Violation in the Standard Model with dimension 6 operators
Saereh Najjari
TL;DR
This paper explores how dimension-6 operators extend the Standard Model to induce lepton flavor violation, analyzing decay processes and setting bounds on new physics effects based on experimental data.
Contribution
It provides a comprehensive analysis of LFV processes within the dimension-6 operator framework and derives numerical bounds on Wilson coefficients from experimental constraints.
Findings
Derived bounds on Wilson coefficients for LFV processes
Analytical expressions for decay rates involving dimension-6 operators
Comparison with current experimental limits
Abstract
We investigate Lepton Flavor Violation (LFV) in the general extension of the Standard Model parametrized by the gauge invariant operators of dimension-6. We discuss 3-body charged lepton decays and decay of boson to lepton pair and compare the obtained analytical expression with the current experimental results. We derive the numerical bounds on the size of the Wilson coefficients parameterizing the allowed size of New Physics effects.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Cosmology and Gravitation Theories · Quantum Chromodynamics and Particle Interactions