Theia: an advanced optical neutrino detector
New developments in liquid scintillators, high-efficiency, fast photon detectors, and chromatic photon sorting have opened up the possibility for building a large-scale detector that can discriminate between Cherenkov and scintillation signals. Such a detector could reconstruct particle direction an...
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Veröffentlicht in: | The European physical journal. C, Particles and fields Particles and fields, 2020-05, Vol.80 (5), p.1-31, Article 416 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | New developments in liquid scintillators, high-efficiency, fast photon detectors, and chromatic photon sorting have opened up the possibility for building a large-scale detector that can discriminate between Cherenkov and scintillation signals. Such a detector could reconstruct particle direction and species using Cherenkov light while also having the excellent energy resolution and low threshold of a scintillator detector. Situated deep underground, and utilizing new techniques in computing and reconstruction, this detector could achieve unprecedented levels of background rejection, enabling a rich physics program spanning topics in nuclear, high-energy, and astrophysics, and across a dynamic range from hundreds of keV to many GeV. The scientific program would include observations of low- and high-energy solar neutrinos, determination of neutrino mass ordering and measurement of the neutrino CP-violating phase
δ
, observations of diffuse supernova neutrinos and neutrinos from a supernova burst, sensitive searches for nucleon decay and, ultimately, a search for neutrinoless double beta decay, with sensitivity reaching the normal ordering regime of neutrino mass phase space. This paper describes
Theia
, a detector design that incorporates these new technologies in a practical and affordable way to accomplish the science goals described above. |
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ISSN: | 1434-6044 1434-6052 |
DOI: | 10.1140/epjc/s10052-020-7977-8 |