Lepton pair production in muon-nucleus scattering

Fuente: arXiv
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Autori principali: Abbiendi, G., Budassi, E., Calame, C. M. Carloni, Gurgone, A., Piccinini, F.
Natura: Preprint
Pubblicazione: 2024
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author Abbiendi, G.
Budassi, E.
Calame, C. M. Carloni
Gurgone, A.
Piccinini, F.
author_facet Abbiendi, G.
Budassi, E.
Calame, C. M. Carloni
Gurgone, A.
Piccinini, F.
contents The MUonE experiment aims at providing a novel determination of the leading hadronic contribution to the muon anomalous magnetic moment through the study of elastic muon-electron scattering. Since the initial-state electrons are bound in a low-$Z$ atomic target, the interaction between the incoming muons and the nuclei is expected to be the main source of experimental background. In this article, we study the production of a real lepton pair from the muon-nucleus scattering, discussing its numerical impact in the MUonE kinematic configuration. The process is described as a scattering of a muon in an external Coulomb field with the addition of a form factor to describe the nuclear charge distribution. The calculation is implemented in the fully differential Monte Carlo event generator MESMER, without introducing any approximation on the angular variables.
format Preprint
id arxiv_https___arxiv_org_abs_2401_06077
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Lepton pair production in muon-nucleus scattering
Abbiendi, G.
Budassi, E.
Calame, C. M. Carloni
Gurgone, A.
Piccinini, F.
High Energy Physics - Phenomenology
High Energy Physics - Experiment
The MUonE experiment aims at providing a novel determination of the leading hadronic contribution to the muon anomalous magnetic moment through the study of elastic muon-electron scattering. Since the initial-state electrons are bound in a low-$Z$ atomic target, the interaction between the incoming muons and the nuclei is expected to be the main source of experimental background. In this article, we study the production of a real lepton pair from the muon-nucleus scattering, discussing its numerical impact in the MUonE kinematic configuration. The process is described as a scattering of a muon in an external Coulomb field with the addition of a form factor to describe the nuclear charge distribution. The calculation is implemented in the fully differential Monte Carlo event generator MESMER, without introducing any approximation on the angular variables.
title Lepton pair production in muon-nucleus scattering
topic High Energy Physics - Phenomenology
High Energy Physics - Experiment
url https://arxiv.org/abs/2401.06077