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Title: High-energy electrons from the muon decay in orbit: Radiative corrections

We determine the Ο(α) correction to the energy spectrum of electrons produced in the decay of muons bound in atoms. We focus on the high-energy end of the spectrum that constitutes a background for the muon-electron conversion and will be precisely measured by the upcoming experiments Mu2e and COMET. As a result, the correction suppresses the background by about 20%.
Authors:
 [1] ;  [1]
  1. Univ. of Alberta, Edmonton, AB (Canada)
Publication Date:
Report Number(s):
FERMILAB-PUB-15-205-PPD; ALBERTA-THY-8-15
Journal ID: ISSN 0370-2693; arXiv eprint number arXiv:1505.05237; TRN: US1601000
Grant/Contract Number:
AC02-07CH11359; De-AC02-07CH11359
Type:
Published Article
Journal Name:
Physics Letters. Section B
Additional Journal Information:
Journal Volume: 753; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Research Org:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
OSTI Identifier:
1390664
Alternate Identifier(s):
OSTI ID: 1212726

Szafron, Robert, and Czarnecki, Andrzej. High-energy electrons from the muon decay in orbit: Radiative corrections. United States: N. p., Web. doi:10.1016/j.physletb.2015.12.008.
Szafron, Robert, & Czarnecki, Andrzej. High-energy electrons from the muon decay in orbit: Radiative corrections. United States. doi:10.1016/j.physletb.2015.12.008.
Szafron, Robert, and Czarnecki, Andrzej. 2015. "High-energy electrons from the muon decay in orbit: Radiative corrections". United States. doi:10.1016/j.physletb.2015.12.008.
@article{osti_1390664,
title = {High-energy electrons from the muon decay in orbit: Radiative corrections},
author = {Szafron, Robert and Czarnecki, Andrzej},
abstractNote = {We determine the Ο(α) correction to the energy spectrum of electrons produced in the decay of muons bound in atoms. We focus on the high-energy end of the spectrum that constitutes a background for the muon-electron conversion and will be precisely measured by the upcoming experiments Mu2e and COMET. As a result, the correction suppresses the background by about 20%.},
doi = {10.1016/j.physletb.2015.12.008},
journal = {Physics Letters. Section B},
number = ,
volume = 753,
place = {United States},
year = {2015},
month = {12}
}