An image of SNS's Beamline 13. The neutrinos enter a detector in the SNS basement -- a 32-pound (14.5- kilogram) scintillating crystal of sodium-doped cesium iodide enclosed in carefully designed shielding. This material relates to a paper that appeared in the Aug. 3, 2017, online issue of Science, published by AAAS. The paper, by D. Akimov at Institute for Theoretical and Experimental Physics in Moscow, Russia, and colleagues was titled, "Observation of coherent elastic neutrino-nucleus scattering."
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