The COHERENT Experiment at the Spallation Neutron Source
COHERENT Collaboration: D. Akimov, P. An, C. Awe, P.S. Barbeau, P., Barton, B. Becker, V. Belov, A. Bolozdynya, A. Burenkov, B. Cabrera-Palmer,, J.I. Collar, R.J. Cooper, R.L. Cooper, C. Cuesta, D. Dean, J. Detwiler, A.G., Dolgolenko, Y. Efremenko, S.R. Elliott, A. Etenko

TL;DR
The COHERENT experiment aims to measure coherent elastic neutrino-nucleus scattering (CEvNS) at the SNS, utilizing advanced detectors to test the standard model, explore nuclear physics, and support dark matter research.
Contribution
This work presents the first deployment plan of multiple detector technologies at SNS to observe CEvNS and validate its $N^2$ dependence, enabling a comprehensive physics program.
Findings
Background measurements confirm neutron-quiet site suitability.
Deployment of three detector types planned for phased measurements.
Expected to achieve unambiguous CEvNS detection within four years.
Abstract
The COHERENT collaboration's primary objective is to measure coherent elastic neutrino-nucleus scattering (CEvNS) using the unique, high-quality source of tens-of-MeV neutrinos provided by the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL). In spite of its large cross section, the CEvNS process has never been observed, due to tiny energies of the resulting nuclear recoils which are out of reach for standard neutrino detectors. The measurement of CEvNS has now become feasible, thanks to the development of ultra-sensitive technology for rare decay and weakly-interacting massive particle (dark matter) searches. The CEvNS cross section is cleanly predicted in the standard model; hence its measurement provides a standard model test. It is relevant for supernova physics and supernova-neutrino detection, and enables validation of dark-matter detector background and…
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Taxonomy
TopicsDark Matter and Cosmic Phenomena · Neutrino Physics Research · Atomic and Subatomic Physics Research
