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- Title
MOON for neutrino-less double beta decays.
- Authors
Ejiri, H.; Doe, P.; Elliott, S.; Engel, J.; Finger, M.; Fushimi, K.; Gehman, V.; Greenfield, M.; Hazama, R.; Kavitov, P.; Kekelidze, V.; Nakamura, H.; Nomachi, M.; Robertson, R.; Shima, T.; Slunecka, M.; Shirkov, G.; Sissakian, A.; Titov, A.; Umehara, S.
- Abstract
The MOON (Majorana/Mo Observatory Of Neutrinos) project aims at studies of the Majorana nature of the neutrino ( ν) and the ν-mass spectrum by spectroscopic experiments of neutrino-less double beta decays (0 νββ) with the ν-mass sensitivity of 〈 m 〉 = 100−30 meV. The solid scintillator option of the MOON detector is a super ensemble of multi-layer modules, each being composed by PL scintillator plates and position-sensitive detector planes with good overall energy resolution of σ ≈ 2% at the Q ββ ≈ 3 MeV. Thin ββ source films are interleaved between the detector planes. High localization of the two β tracks enables one to select true signals and reject BG ones. The multi-layer structure of the detector makes it realistic to build a compact ton-scale detector. MOON with detector ≠ ββ source is used for studying 0 νββ decays from 100Mo, 82Se and other ββ isotopes with large Q ββ . Real-time exclusive measurements of low energy solar neutrinos can be made by observing inverse β rays from solar- ν captures of 100Mo in delayed coincidence with the subsequent β decay of 100Tc.
- Publication
European Physical Journal: Special Topics, 2008, Vol 162, Issue 1, p239
- ISSN
1951-6355
- Publication type
Article
- DOI
10.1140/epjst/e2008-00799-2