EAN: 9783319997469

FIRST OBSERVATION OF COHERENT ELASTIC NEUTRINO-...

This thesis describes the experimental work that finally led to a successful measurement of
coherent elastic neutrino-nucleus scattering-a process proposed forty-three years ago. The
experiment was performed at the Spallation Neutron Source facility  sited at Oak Ridge National
Laboratory  in Tennessee.Of all known particles  neutrinos distinguish themselves for being the
hardest to detect  typically requiring large multi-ton devices for the job. The process
measured here involves the difficult detection of very weak signals arising from nuclear
recoils (tiny neutrino-induced kicks to atomic nuclei)  but leads to a much larger probability
of neutrino interaction when compared to all other known mechanisms. As a result of this 
neutrino technologies using miniaturized detectors (the author's was handheld and weighed only
14 kg) become a possibility. A large community of researchers plans to continue studying this
process  facilitating an exploration of fundamental neutrino properties that is presently
beyond the sensitivity of other methods.

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