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Title: Projections for dark photon searches at Mu3e

Abstract

Here, we show that dark photons (A ') with masses ~10-80 MeV can be probed in the decay μ + → e +ν eν¯¯ μA' , A ' → e + e , with the upcoming Mu3e experiment at the Paul Scherrer Institute (PSI) in Switzerland. With an expected 10 15 (5.5 × 10 16) muon decays in 2015–2016 (2018 and beyond), Mu3e has the exciting opportunity to probe a substantial fraction of currently unexplored dark photon parameter space, probing kinetic-mixing parameter, ϵ, as low as ϵ 2 ~ 10 –7 (10 –8). No modifications of the existing Mu3e setup are required.

Authors:
 [1];  [2];  [2]
  1. California Inst. of Technology (CalTech), Pasadena, CA (United States)
  2. Stony Brook Univ., Stony Brook, NY (United States). C.N. Yang Inst. for Theoretical Physics
Publication Date:
Research Org.:
Stony Brook Univ., Stony Brook, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1452790
Grant/Contract Number:  
SC0008061
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2015; Journal Issue: 1; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Beyond Standard Model; Rare Decays; Electromagnetic Processes and Properties

Citation Formats

Echenard, Bertrand, Essig, Rouven, and Zhong, Yi -Ming. Projections for dark photon searches at Mu3e. United States: N. p., 2015. Web. doi:10.1007/JHEP01(2015)113.
Echenard, Bertrand, Essig, Rouven, & Zhong, Yi -Ming. Projections for dark photon searches at Mu3e. United States. doi:10.1007/JHEP01(2015)113.
Echenard, Bertrand, Essig, Rouven, and Zhong, Yi -Ming. Wed . "Projections for dark photon searches at Mu3e". United States. doi:10.1007/JHEP01(2015)113. https://www.osti.gov/servlets/purl/1452790.
@article{osti_1452790,
title = {Projections for dark photon searches at Mu3e},
author = {Echenard, Bertrand and Essig, Rouven and Zhong, Yi -Ming},
abstractNote = {Here, we show that dark photons (A ') with masses ~10-80 MeV can be probed in the decay μ+ → e+νeν¯¯μA' , A ' → e+ e–, with the upcoming Mu3e experiment at the Paul Scherrer Institute (PSI) in Switzerland. With an expected 1015 (5.5 × 1016) muon decays in 2015–2016 (2018 and beyond), Mu3e has the exciting opportunity to probe a substantial fraction of currently unexplored dark photon parameter space, probing kinetic-mixing parameter, ϵ, as low as ϵ 2 ~ 10–7 (10–8). No modifications of the existing Mu3e setup are required.},
doi = {10.1007/JHEP01(2015)113},
journal = {Journal of High Energy Physics (Online)},
number = 1,
volume = 2015,
place = {United States},
year = {2015},
month = {1}
}

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