NNLO virtual and real leptonic corrections to muon-electron scattering

A bstract The recently proposed MUonE experiment at CERN aims at providing a novel determination of the leading order hadronic contribution to the muon anomalous magnetic moment through the study of elastic muon-electron scattering at relatively small momentum transfer. The anticipated accuracy of t...

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Veröffentlicht in:	The journal of high energy physics 2021-11, Vol.2021 (11), p.1-34, Article 98
Hauptverfasser:	Budassi, Ettore, Carloni Calame, Carlo M., Chiesa, Mauro, Del Pio, Clara Lavinia, Hasan, Syed Mehedi, Montagna, Guido, Nicrosini, Oreste, Piccinini, Fulvio
Format:	Artikel
Sprache:	eng
Schlagworte:	Accuracy Classical and Quantum Gravitation Collaboration Elastic scattering Elementary Particles Experiments High energy physics Leptons Magnetic moments Momentum transfer Muons Perturbative QCD Physics Physics and Astronomy Precision QED Quantum Field Theories Quantum Field Theory Quantum Physics Radiation Regular Article - Theoretical Physics Relativity Theory String Theory
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Beschreibung
Zusammenfassung:	A bstract The recently proposed MUonE experiment at CERN aims at providing a novel determination of the leading order hadronic contribution to the muon anomalous magnetic moment through the study of elastic muon-electron scattering at relatively small momentum transfer. The anticipated accuracy of the order of 10ppm demands for high-precision predictions, including all the relevant radiative corrections. The fixed-order NNLO radiative corrections due to the emission of virtual and real leptonic pairs are described and their numerical impact is discussed for typical event selections of the MUonE experiment, by means of the upgraded Monte Carlo code M esmer .
ISSN:	1029-8479 1029-8479
DOI:	10.1007/JHEP11(2021)098