Search for Low-Mass Weakly Interacting Massive Particles with SuperCDMS
Journal Article
·
· Physical Review Letters, 112(24):Article No. 241302
We report a first search for weakly interacting massive particles (WIMPs) using the background rejection capabilities of SuperCDMS. An exposure of 577 kg-days was analyzed for WIMPs with mass < 30 GeV/c2, with the signal region blinded. Eleven events were observed after unblinding. We set an upper limit on the spin-independent WIMP-nucleon cross section of 1:2 10-42cm2 at 8 GeV/c2. This result is in tension with WIMP interpretations of recent experiments and probes new parameter space for WIMP-nucleon scattering for WIMP masses < 6 GeV/c2.
- Research Organization:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 1172435
- Report Number(s):
- PNNL-SA-102057
- Journal Information:
- Physical Review Letters, 112(24):Article No. 241302, Journal Name: Physical Review Letters, 112(24):Article No. 241302
- Country of Publication:
- United States
- Language:
- English
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