Search for MeV electron recoils from dark matter in EXO-200
Journal Article
·
· Physical Review D
We present a search for electron-recoil signatures from the charged-current absorption of fermionic dark matter using the EXO-200 detector. We report an average electron-recoil background rate of 6.8 × 104 cts kg–1 yr–1 keV–1 above 4 MeV and find no statistically significant excess over our background projection. Using a total 136Xe exposure of 234.1 kg yr, we exclude new parameter space for the charged-current absorption cross section for dark matter masses between mχ=2.6–11.6 MeV with a minimum of 6 × 10–51 cm2 at 8.3 MeV at the 90% confidence level.
- Research Organization:
- Stanford Univ., CA (United States)
- Sponsoring Organization:
- USDOE
- Contributing Organization:
- EXO-200 Collaboration
- Grant/Contract Number:
- SC0017970
- OSTI ID:
- 1922560
- Alternate ID(s):
- OSTI ID: 1992036
- Journal Information:
- Physical Review D, Journal Name: Physical Review D Vol. 107 Journal Issue: 1; ISSN 2470-0010
- Publisher:
- American Physical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Similar Records
Search for Majoron-emitting modes of
double beta decay with the complete EXO-200 dataset
Search for two-neutrino double-beta decay of 136Xe to the $0$$^{+}_{1}$ excited state of 136Ba with the complete EXO-200 dataset
Task I: Dark Matter Search Experiments with Cryogenic Detectors: CDMS-I and CDMS-II Task II: Experimental Study of Neutrino Properties: EXO and KamLAND
Journal Article
·
Fri Dec 10 00:00:00 EST 2021
· Physical Review D
·
OSTI ID:1922560
+103 more
Search for two-neutrino double-beta decay of 136Xe to the $0$$^{+}_{1}$ excited state of 136Ba with the complete EXO-200 dataset
Journal Article
·
Fri Aug 11 00:00:00 EDT 2023
· Chinese Physics C, High Energy Physics and Nuclear Physics
·
OSTI ID:1922560
+103 more
Task I: Dark Matter Search Experiments with Cryogenic Detectors: CDMS-I and CDMS-II Task II: Experimental Study of Neutrino Properties: EXO and KamLAND
Technical Report
·
Fri Aug 30 00:00:00 EDT 2013
·
OSTI ID:1922560