Radon-implanted Po-214 and anomalous pulses in sodium iodide detectors for dark matter
- 214Po is implanted into surfaces exposed to radon. The implantation rate could be sufficient to explain the rate of low-energy events with anomalously fast scintillation pulses that has been observed in sodium iodide crystals used in a search for WIMP dark matter. The rate should be closely coupled in time to the radon concentration. (C) 2000 Elsevier Science B.V.
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