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Observation of Low-Lying Isomeric States in ^{136}Cs: A New Avenue for Dark Matter and Solar Neutrino Detection in Xenon Detectors.

Publication ,  Journal Article
Haselschwardt, SJ; Lenardo, BG; Daniels, T; Finch, SW; Friesen, FQL; Howell, CR; Malone, CR; Mancil, E; Tornow, W
Published in: Physical review letters
August 2023

We report on new measurements establishing the existence of low-lying isomeric states in ^{136}Cs using γ rays produced in ^{136}Xe(p,n)^{136}Cs reactions. Two states with O(100)  ns lifetimes are placed in the decay sequence of the ^{136}Cs levels that are populated in charged-current interactions of solar neutrinos and fermionic dark matter with ^{136}Xe. Xenon-based experiments can therefore exploit a delayed-coincidence tag of these interactions, greatly suppressing backgrounds to enable spectroscopic studies of solar neutrinos and dark matter.

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Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

August 2023

Volume

131

Issue

5

Start / End Page

052502

Related Subject Headings

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

Citation

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Haselschwardt, S. J., Lenardo, B. G., Daniels, T., Finch, S. W., Friesen, F. Q. L., Howell, C. R., … Tornow, W. (2023). Observation of Low-Lying Isomeric States in ^{136}Cs: A New Avenue for Dark Matter and Solar Neutrino Detection in Xenon Detectors. Physical Review Letters, 131(5), 052502. https://doi.org/10.1103/physrevlett.131.052502
Haselschwardt, S. J., B. G. Lenardo, T. Daniels, S. W. Finch, F. Q. L. Friesen, C. R. Howell, C. R. Malone, E. Mancil, and W. Tornow. “Observation of Low-Lying Isomeric States in ^{136}Cs: A New Avenue for Dark Matter and Solar Neutrino Detection in Xenon Detectors.Physical Review Letters 131, no. 5 (August 2023): 052502. https://doi.org/10.1103/physrevlett.131.052502.
Haselschwardt SJ, Lenardo BG, Daniels T, Finch SW, Friesen FQL, Howell CR, et al. Observation of Low-Lying Isomeric States in ^{136}Cs: A New Avenue for Dark Matter and Solar Neutrino Detection in Xenon Detectors. Physical review letters. 2023 Aug;131(5):052502.
Haselschwardt, S. J., et al. “Observation of Low-Lying Isomeric States in ^{136}Cs: A New Avenue for Dark Matter and Solar Neutrino Detection in Xenon Detectors.Physical Review Letters, vol. 131, no. 5, Aug. 2023, p. 052502. Epmc, doi:10.1103/physrevlett.131.052502.
Haselschwardt SJ, Lenardo BG, Daniels T, Finch SW, Friesen FQL, Howell CR, Malone CR, Mancil E, Tornow W. Observation of Low-Lying Isomeric States in ^{136}Cs: A New Avenue for Dark Matter and Solar Neutrino Detection in Xenon Detectors. Physical review letters. 2023 Aug;131(5):052502.

Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

August 2023

Volume

131

Issue

5

Start / End Page

052502

Related Subject Headings

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