Limits on the Existence of sub-MeV Sterile Neutrinos from the Decay of ^{7}Be in Superconducting Quantum Sensors.
Publication
, Journal Article
Friedrich, S; Kim, GB; Bray, C; Cantor, R; Dilling, J; Fretwell, S; Hall, JA; Lennarz, A; Lordi, V; Machule, P; McKeen, D; Mougeot, X ...
Published in: Physical review letters
January 2021
Sterile neutrinos are natural extensions to the standard model of particle physics and provide a possible portal to the dark sector. We report a new search for the existence of sub-MeV sterile neutrinos using the decay-momentum reconstruction technique in the decay of ^{7}Be. The experiment measures the total energy of the ^{7}Li daughter atom from the electron capture decay of ^{7}Be implanted into sensitive superconducting tunnel junction (STJ) quantum sensors. This first experiment presents data from a single STJ operated at a low count rate for a net total of 28 days, and provides exclusion limits on sterile neutrinos in the mass range from 100 to 850 keV that improve upon previous work by up to an order of magnitude.
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Published In
Physical review letters
DOI
EISSN
1079-7114
ISSN
0031-9007
Publication Date
January 2021
Volume
126
Issue
2
Start / End Page
021803
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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Friedrich, S., Kim, G. B., Bray, C., Cantor, R., Dilling, J., Fretwell, S., … Leach, K. G. (2021). Limits on the Existence of sub-MeV Sterile Neutrinos from the Decay of ^{7}Be in Superconducting Quantum Sensors. Physical Review Letters, 126(2), 021803. https://doi.org/10.1103/physrevlett.126.021803
Friedrich, S., G. B. Kim, C. Bray, R. Cantor, J. Dilling, S. Fretwell, J. A. Hall, et al. “Limits on the Existence of sub-MeV Sterile Neutrinos from the Decay of ^{7}Be in Superconducting Quantum Sensors.” Physical Review Letters 126, no. 2 (January 2021): 021803. https://doi.org/10.1103/physrevlett.126.021803.
Friedrich S, Kim GB, Bray C, Cantor R, Dilling J, Fretwell S, et al. Limits on the Existence of sub-MeV Sterile Neutrinos from the Decay of ^{7}Be in Superconducting Quantum Sensors. Physical review letters. 2021 Jan;126(2):021803.
Friedrich, S., et al. “Limits on the Existence of sub-MeV Sterile Neutrinos from the Decay of ^{7}Be in Superconducting Quantum Sensors.” Physical Review Letters, vol. 126, no. 2, Jan. 2021, p. 021803. Epmc, doi:10.1103/physrevlett.126.021803.
Friedrich S, Kim GB, Bray C, Cantor R, Dilling J, Fretwell S, Hall JA, Lennarz A, Lordi V, Machule P, McKeen D, Mougeot X, Ponce F, Ruiz C, Samanta A, Warburton WK, Leach KG. Limits on the Existence of sub-MeV Sterile Neutrinos from the Decay of ^{7}Be in Superconducting Quantum Sensors. Physical review letters. 2021 Jan;126(2):021803.
Published In
Physical review letters
DOI
EISSN
1079-7114
ISSN
0031-9007
Publication Date
January 2021
Volume
126
Issue
2
Start / End Page
021803
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences