Electroweak effects in polarized muon-electron scattering
A.B. Arbuzov (1,2), S.G. Bondarenko (1), L.V. Kalinovskaya (3), L.A., Rumyantsev (3), V.L. Yermolchyk (3,4) ((1) Bogoliubov Laboratory of, Theoretical Physics, Joint Institute for Nuclear Research, Dubna, 141980, Russia (2) Department of higher mathematics
TL;DR
This paper provides a detailed theoretical analysis of polarized muon-electron scattering, including complete electroweak radiative corrections, and offers tools for experimental data analysis.
Contribution
It presents the first comprehensive calculation of one-loop electroweak corrections for polarized muon-electron scattering with exact muon mass dependence.
Findings
Numerical results for polarized and unpolarized cross sections.
Implementation of corrections in Monte Carlo tools MCSANCee and ReneSANCe.
Analysis of higher order effects and electroweak scheme dependence.
Abstract
A theoretical description of elastic polarized muon-electron scattering is presented. Complete one-loop electroweak radiative corrections are calculated with taking into account the exact dependence on the muon mass. The effects due to some higher order corrections and the electroweak scheme dependence are analyzed. The case of longitudinally polarized fermions in the initial state is investigated. Analytical results are derived with the help of the SANC system. Numerical results are presented for unpolarized and polarized cross sections. Calculations are realized in the Monte Carlo integrator MCSANCee and generator ReneSANCe which allow the implementation of any experimental cut used in the analysis of elastic scattering data.
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