Cosmogenic activation of sodium iodide

  title={Cosmogenic activation of sodium iodide},
  author={R. Saldanha and William G Thompson and Y. Y. Zhong and Lindsey J. Bignell and R. H. M. Tsang and Sophia J. Hollick and Stephen R. Elliott and G. J. Lane and R. H. Maruyama and L. Yang},
  journal={Physical Review D},
The production of radioactive isotopes by interactions of cosmic-ray particles with sodium iodide (NaI) crystals can produce radioactive backgrounds in detectors used to search for rare events. Through controlled irradiation of NaI crystals with a neutron beam that matches the cosmic-ray neutron spectrum, followed by direct counting and fitting the resulting spectrum across a broad range of energies, we determined the integrated production rate of several long-lived radioisotopes. The… 



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