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First Probe of Sub-GeV Dark Matter beyond the Cosmological Expectation with the COHERENT CsI Detector at the SNS.

Publication ,  Journal Article
Akimov, D; An, P; Awe, C; Barbeau, PS; Becker, B; Belov, V; Bernardi, I; Blackston, MA; Bock, C; Bolozdynya, A; Browning, J; Cabrera-Palmer, B ...
Published in: Physical review letters
February 2023

The COHERENT Collaboration searched for scalar dark matter particles produced at the Spallation Neutron Source with masses between 1 and 220  MeV/c^{2} using a CsI[Na] scintillation detector sensitive to nuclear recoils above 9  keV_{nr}. No evidence for dark matter is found and we thus place limits on allowed parameter space. With this low-threshold detector, we are sensitive to coherent elastic scattering between dark matter and nuclei. The cross section for this process is orders of magnitude higher than for other processes historically used for accelerator-based direct-detection searches so that our small, 14.6 kg detector significantly improves on past constraints. At peak sensitivity, we reject the flux consistent with the cosmologically observed dark-matter concentration for all coupling constants α_{D}<0.64, assuming a scalar dark-matter particle. We also calculate the sensitivity of future COHERENT detectors to dark-matter signals which will ambitiously test multiple dark-matter spin scenarios.

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Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

February 2023

Volume

130

Issue

5

Start / End Page

051803

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

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Akimov, D., An, P., Awe, C., Barbeau, P. S., Becker, B., Belov, V., … Zettlemoyer, J. (2023). First Probe of Sub-GeV Dark Matter beyond the Cosmological Expectation with the COHERENT CsI Detector at the SNS. Physical Review Letters, 130(5), 051803. https://doi.org/10.1103/physrevlett.130.051803
Akimov, D., P. An, C. Awe, P. S. Barbeau, B. Becker, V. Belov, I. Bernardi, et al. “First Probe of Sub-GeV Dark Matter beyond the Cosmological Expectation with the COHERENT CsI Detector at the SNS.Physical Review Letters 130, no. 5 (February 2023): 051803. https://doi.org/10.1103/physrevlett.130.051803.
Akimov D, An P, Awe C, Barbeau PS, Becker B, Belov V, et al. First Probe of Sub-GeV Dark Matter beyond the Cosmological Expectation with the COHERENT CsI Detector at the SNS. Physical review letters. 2023 Feb;130(5):051803.
Akimov, D., et al. “First Probe of Sub-GeV Dark Matter beyond the Cosmological Expectation with the COHERENT CsI Detector at the SNS.Physical Review Letters, vol. 130, no. 5, Feb. 2023, p. 051803. Epmc, doi:10.1103/physrevlett.130.051803.
Akimov D, An P, Awe C, Barbeau PS, Becker B, Belov V, Bernardi I, Blackston MA, Bock C, Bolozdynya A, Browning J, Cabrera-Palmer B, Chernyak D, Conley E, Daughhetee J, Detwiler J, Ding K, Durand MR, Efremenko Y, Elliott SR, Fabris L, Febbraro M, Gallo Rosso A, Galindo-Uribarri A, Green MP, Heath MR, Hedges S, Hoang D, Hughes M, Johnson T, Khromov A, Konovalov A, Kozlova E, Kumpan A, Li L, Link JM, Liu J, Mann K, Markoff DM, Mastroberti J, Mueller PE, Newby J, Parno DS, Penttila SI, Pershey D, Rapp R, Raybern J, Razuvaeva O, Reyna D, Rich GC, Ross J, Rudik D, Runge J, Salvat DJ, Salyapongse AM, Sander J, Scholberg K, Shakirov A, Simakov G, Sinev G, Snow WM, Sosnovtsev V, Suh B, Tayloe R, Tellez-Giron-Flores K, Tolstukhin I, Ujah E, Vanderwerp J, Varner RL, Virtue CJ, Visser G, Wongjirad T, Yen Y-R, Yoo J, Yu C-H, Zettlemoyer J. First Probe of Sub-GeV Dark Matter beyond the Cosmological Expectation with the COHERENT CsI Detector at the SNS. Physical review letters. 2023 Feb;130(5):051803.

Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

February 2023

Volume

130

Issue

5

Start / End Page

051803

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences