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Title: Observation of coherent elastic neutrino-nucleus scattering

Journal Article · · Science
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The coherent elastic scattering of neutrinos off nuclei has eluded detection for four decades, even though its predicted cross section is by far the largest of all low-energy neutrino couplings. This mode of interaction offers new opportunities to study neutrino properties and leads to a miniaturization of detector size, with potential technological applications. We observed this process at a 6.7s confidence level, using a low-background, 14.6-kilogram CsI[Na] scintillator exposed to the neutrino emissions from the Spallation Neutron Source at Oak Ridge National Laboratory. Characteristic signatures in energy and time, predicted by the standard model for this process, were observed in high signal-to-background conditions. Improved constraints on nonstandard neutrino interactions with quarks are derived from this initial data set.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Duke Univ., Durham, NC (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation; ORNL Laboratory Directed Research and Development (LDRD) Program; LBNL Laboratory Directed Research and Development (LDRD) Program
Contributing Organization:
COHERENT Collaboration
Grant/Contract Number:
AC04-94AL85000; AC52-06NA25396; AC05-76RL01830; NA0003525; NA0002576; SC0009824; SC0010007; SC0014249; SC0014558; AC02-05CH11231; AC05-00OR22725
OSTI ID:
1429827
Alternate ID(s):
OSTI ID: 1416288; OSTI ID: 1476538; OSTI ID: 1481699
Report Number(s):
SAND-2017-8714J; LA-UR-17-26787; 656255
Journal Information:
Science, Vol. 357, Issue 6356; ISSN 0036-8075
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 375 works
Citation information provided by
Web of Science

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Extension of the neutron scatter camera sensitivity to the ∼10–200 MeV neutron energy range journal May 2019
Neutrino–nucleus cross sections for oscillation experiments journal December 2017
Neutrino- 13 C cross sections at supernova neutrino energies journal May 2019
Low-energy neutrino scattering in experiment and astrophysics journal July 2019
Neutrino event generators: foundation, status and future journal September 2019
Tests of discrete symmetries journal November 2019
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Prospects for exploring New Physics in Coherent Elastic Neutrino-Nucleus Scattering journal November 2018
How high is the neutrino floor? journal January 2019
Neutrino scattering and the reactor antineutrino anomaly journal December 2017
Sensitivity of Seismically Cued Antineutrino Detectors to Nuclear Explosions journal August 2018
Constraining sterile neutrino cosmology with terrestrial oscillation experiments journal July 2019
Response of CsI[Na] to nuclear recoils: Impact on coherent elastic neutrino-nucleus scattering journal August 2019
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COHERENT analysis of neutrino generalized interactions journal October 2018
Neutrino charge radii from COHERENT elastic neutrino-nucleus scattering journal December 2018
Reinterpreting the weak mixing angle from atomic parity violation in view of the Cs neutron rms radius measurement from COHERENT journal February 2019
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Neutrino Charge Radii from Coherent Elastic Neutrino-Nucleus Scattering
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Light Dark Matter Search with Ionization Signals in XENON1T text January 2019
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Discriminating WIMP-nucleus response functions in present and future XENON-like direct detection experiments text January 2018
Projected WIMP sensitivity of the LUX-ZEPLIN (LZ) dark matter experiment text January 2018
Novel neutrino-floor and dark matter searches with deformed shell model calculations text January 2018
Prospects for exploring New Physics in Coherent Elastic Neutrino-Nucleus Scattering text January 2018
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Exploring NSI degeneracies in long-baseline experiments text January 2018
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