A hybrid organic/inorgaic scintillator for high performance measurements
arXiv:1807.00628
Abstract
New experimental research programs in the field of neutrino physics are calling for new detectors with large masses, high energy resolution and good background rejection capabilities. This paper presents a novel hybrid organic/inorganic scintillator, which is able to improve on all three aspects simultaneously. This scintillator consists of microscopic grains of inorganic crystals suspended in an organic scintillating carrier medium. Due to multiple scattering off the crystals, this scintillator appears opaque over longer distances and is intended for use in specialized detectors. Thanks to the crystal phase it can natively incorporate a large variety of elements in large quantities, so that a sufficiently large detector can reach elemental loadings on the ton- or multiton scale. At the same time, this composition can produce very high light outputs and provides additional particle identification capabilities. This scintillator concept is expected to provide significant advantages for future neutrino experiments, like searches of neutrinoless double beta experiments and reactor antineutrino physics.
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