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Search for light mediators in the low-energy data of the CONNIE reactor neutrino experiment

Journal Article · · Journal of High Energy Physics (Online)
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The CONNIE experiment is located at a distance of 30 m from the core of a commercial nuclear reactor, and has collected a 3.7 kg-day exposure using a CCD detector array sensitive to an~1 keV threshold for the study of coherent neutrino-nucleus elastic scattering. Here we demonstrate the potential of this low-energy neutrino experiment as a probe for physics Beyond the Standard Model, by using the recently published results to constrain two simplified extensions of the Standard Model with light mediators. We compare the new limits with those obtained for the same models using neutrinos from the Spallation Neutron Source. Our new constraints represent the best limits for these simplified models among the experiments searching for CE$$ν$$NS for a light vector mediator with mass $$ {M}_{Z^{\prime }} $$< 10 MeV, and for a light scalar mediator with mass M$$_{\phi}$$< 30 MeV. These results constitute the first use of the CONNIE data as a probe for physics Beyond the Standard Model.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25); Brazilian Ministry for Science, Technology, and Innovation; Brazilian National Council for Scientific and Technological Development (CNPq); Consejo Nacional de Ciencia y Tecnología (CONACYT)
Contributing Organization:
The CONNIE Collaboration
Grant/Contract Number:
AC02-07CH11359
OSTI ID:
1574973
Report Number(s):
arXiv:1910.04951; FERMILAB-PUB--19-525-AE-PPD-SCD; oai:inspirehep.net:1758662
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 4 Vol. 2020; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English

References (13)

Probing neutrino coupling to a light scalar with coherent neutrino scattering journal May 2018
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COHERENT constraints on nonstandard neutrino interactions journal December 2017
The muon g−2 journal June 2009
Coherent neutrino scattering with low temperature bolometers at Chooz reactor complex journal August 2017
Exploring ν signals in dark matter detectors journal July 2012
Prospects for exploring New Physics in Coherent Elastic Neutrino-Nucleus Scattering journal November 2018
The CONNIE experiment journal October 2016
A measurement of the ionization efficiency of nuclear recoils in silicon journal June 2017
Review of Particle Physics journal August 2018
Fully depleted, back-illuminated charge-coupled devices fabricated on high-resistivity silicon journal January 2003
Precision Measurements of the Ionization Energy and Its Temperature Variation in High Purity Silicon Radiation Detectors journal February 1973
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Figures / Tables (9)

Figure 1(p. 8)figure Figure 1
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Figure 3(p. 9)figure Figure 3
Table 1(p. 12)table Table 1
Table 2(p. 12)table Table 2
Table 3(p. 12)table Table 3
Figure 4(p. 13)figure Figure 4
Figure 5(p. 14)figure Figure 5
Figure 6(p. 14)figure Figure 6

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Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Beyond Standard Model
Neutrino Detectors and Telescopes (experiments)