Probing leptophilic dark sectors at electron beam-dump facilities
Abstract
Medium-energy electron beam-dump experiments provide an intense source of secondary muons. These particles can be used to search for muon-coupling light dark scalars that may explain the (g–2)μ anomaly. We applied this idea to the SLAC E137 experiment deriving new exclusion limits and evaluated the expected sensitivity for the planned Jefferson Lab BDX experiment (in case of a null result report). The calculation is based on numerical simulations that include a realistic description of secondary muons generation in the dump, dark scalar production, propagation, and decay, and, finally, the decay product (electrons, positrons, or photons) interaction with the detector. For both experiments, exclusion limits were extended to cover a broader area in the scalar-to-muon coupling vs scalar mass parameter space. This study demonstrates that electron beam-dump experiments have an enhanced sensitivity to new physics in processes that are usually studied using proton beams.
- Authors:
- Publication Date:
- Research Org.:
- Boston Univ., MA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC); National Science Foundation (NSF)
- OSTI Identifier:
- 1487190
- Alternate Identifier(s):
- OSTI ID: 1612338
- Grant/Contract Number:
- desc0015845; SC0015845; PHY-1607611
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 98 Journal Issue: 11; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; Astronomy & Astrophysics; Physics; Extensions of Higgs sector; Hypothetical scalars; Lepton colliders
Citation Formats
Marsicano, L., Battaglieri, M., Celentano, A., De Vita, R., and Zhong, Yi-Ming. Probing leptophilic dark sectors at electron beam-dump facilities. United States: N. p., 2018.
Web. doi:10.1103/PhysRevD.98.115022.
Marsicano, L., Battaglieri, M., Celentano, A., De Vita, R., & Zhong, Yi-Ming. Probing leptophilic dark sectors at electron beam-dump facilities. United States. https://doi.org/10.1103/PhysRevD.98.115022
Marsicano, L., Battaglieri, M., Celentano, A., De Vita, R., and Zhong, Yi-Ming. Mon .
"Probing leptophilic dark sectors at electron beam-dump facilities". United States. https://doi.org/10.1103/PhysRevD.98.115022.
@article{osti_1487190,
title = {Probing leptophilic dark sectors at electron beam-dump facilities},
author = {Marsicano, L. and Battaglieri, M. and Celentano, A. and De Vita, R. and Zhong, Yi-Ming},
abstractNote = {Medium-energy electron beam-dump experiments provide an intense source of secondary muons. These particles can be used to search for muon-coupling light dark scalars that may explain the (g–2)μ anomaly. We applied this idea to the SLAC E137 experiment deriving new exclusion limits and evaluated the expected sensitivity for the planned Jefferson Lab BDX experiment (in case of a null result report). The calculation is based on numerical simulations that include a realistic description of secondary muons generation in the dump, dark scalar production, propagation, and decay, and, finally, the decay product (electrons, positrons, or photons) interaction with the detector. For both experiments, exclusion limits were extended to cover a broader area in the scalar-to-muon coupling vs scalar mass parameter space. This study demonstrates that electron beam-dump experiments have an enhanced sensitivity to new physics in processes that are usually studied using proton beams.},
doi = {10.1103/PhysRevD.98.115022},
journal = {Physical Review D},
number = 11,
volume = 98,
place = {United States},
year = {Mon Dec 17 00:00:00 EST 2018},
month = {Mon Dec 17 00:00:00 EST 2018}
}
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https://doi.org/10.1103/PhysRevD.98.115022
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Cited by: 13 works
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