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Title: Light new physics in XENON1T

Abstract

We examine the recently-reported low-energy electron recoil spectrum observed at the XENON1T underground dark matter direct detection experiment, in the context of new interactions with solar neutrinos. In particular we show that scalar and vector mediators with masses $$\lesssim 50$$ keV coupled to leptons could already leave a visible signature in the XENON1T experiment, similar to the observed peak below 7 keV. This signals that dark matter detectors are already competing with neutrino scattering experiments such as GEMMA, CHARM-II and Borexino. If these results from XENON1T are interpreted as a new signal of such physics, the parameters which fit the excess face challenges from astrophysics which seem very difficult to overcome. If they are rather viewed as a constraint on new couplings, they herald the start of an era of novel precise probes of physics beyond the standard model with dark matter detectors.

Authors:
; ORCiD logo; ; ORCiD logo;
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP); European Research Council (ERC); Canada Foundation for Innovation (CFI); Ontario Ministry of Economic Development, Job Creation and Trade (MEDJCT); Innovation, Science and Economic Development Canada (ISED); Spanish Agencia Estatal de Investigación; IFT Centro de Excelencia Severo Ochoa; Spanish Consolider MultiDark
OSTI Identifier:
1734433
Alternate Identifier(s):
OSTI ID: 1637625
Report Number(s):
FERMILAB-PUB-20-247-T; IFT-UAM/CSIC-20-88
Journal ID: ISSN 2470-0010; PRVDAQ; 115013
Grant/Contract Number:  
AC02-07CH11359; 648680 DARKHORIZONS; PGC2018-095161-BI00; SEV-2016-0597; FPA2017-90566-REDC
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 102 Journal Issue: 11; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Bœhm, Céline, Cerdeño, David G., Fairbairn, Malcolm, Machado, Pedro A. N., and Vincent, Aaron C.. Light new physics in XENON1T. United States: N. p., 2020. Web. https://doi.org/10.1103/PhysRevD.102.115013.
Bœhm, Céline, Cerdeño, David G., Fairbairn, Malcolm, Machado, Pedro A. N., & Vincent, Aaron C.. Light new physics in XENON1T. United States. https://doi.org/10.1103/PhysRevD.102.115013
Bœhm, Céline, Cerdeño, David G., Fairbairn, Malcolm, Machado, Pedro A. N., and Vincent, Aaron C.. Mon . "Light new physics in XENON1T". United States. https://doi.org/10.1103/PhysRevD.102.115013.
@article{osti_1734433,
title = {Light new physics in XENON1T},
author = {Bœhm, Céline and Cerdeño, David G. and Fairbairn, Malcolm and Machado, Pedro A. N. and Vincent, Aaron C.},
abstractNote = {We examine the recently-reported low-energy electron recoil spectrum observed at the XENON1T underground dark matter direct detection experiment, in the context of new interactions with solar neutrinos. In particular we show that scalar and vector mediators with masses $\lesssim 50$ keV coupled to leptons could already leave a visible signature in the XENON1T experiment, similar to the observed peak below 7 keV. This signals that dark matter detectors are already competing with neutrino scattering experiments such as GEMMA, CHARM-II and Borexino. If these results from XENON1T are interpreted as a new signal of such physics, the parameters which fit the excess face challenges from astrophysics which seem very difficult to overcome. If they are rather viewed as a constraint on new couplings, they herald the start of an era of novel precise probes of physics beyond the standard model with dark matter detectors.},
doi = {10.1103/PhysRevD.102.115013},
journal = {Physical Review D},
number = 11,
volume = 102,
place = {United States},
year = {2020},
month = {12}
}

Journal Article:
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https://doi.org/10.1103/PhysRevD.102.115013

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