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First results from the AMoRE-Pilot neutrinoless double beta decay experiment
- Authors
- Alenkov, V.; Bae, H.W.; Beyer, J.; Boiko, R.S.; Boonin, K.; Buzanov, O.; Chanthima, N.; Cheoun, M.K.; Chernyak, D.M.; Choe, J.S.; Choi, S.; Danevich, F.A.; Djamal, M.; Drung, D.; Enss, C.; Fleischmann, A.; Gangapshev, A.M.; Gastaldo, L.; Gavriljuk, Yu. M.; Gezhaev, A.M.; Grigoryeva, V.D.; Gurentsov, V.I.; Gylova, O.; Ha, C.; Ha, D.H.; Ha, E.J.; Hahn, I.S.; Jang, C.H.; Jeon, E.J.; Jeon, J.A.; Jo, H.S.; Kaewkhao, J.; Kang, C.S.; Kang, S.J.; Kang, W.G.; Kazalov, V.V.; Kempf, S.; Khan, A.; Khan, S.; Kim, D.Y.; Kim, G.W.; Kim, H.B.; Kim, H.J.; Kim, H.L.; Kim, H.S.; Kim, I.; Kim, S.C.; Kim, S.G.; Kim, S.K.; Kim, S.R.; Kim, W.T.; Kim, Y.D.; Kim, Y.H.; Kirdsiri, K.; Ko, Y.J.; Kobychev, V.V.; Kornoukhov, V.; Kuzminov, V.V.; Kwon, D.H.; Lee, C.; Lee, E.K.; Lee, H.J.; Lee, H.S.; Lee, J.S.; Lee, J.Y.; Lee, K.B.; Lee, M.H.; Lee, M.K.; Lee, S.W.; Lee, S.W.; Lee, S.H.; Leonard,D.; Li, J.; Li, J.; Li, Y.; Limkitjaroenporn, P.; Makarov, E.P.; Oh, S.Y.; Oh, Y.M.; Olsen, S.L.; Pabitra, A.; Panasenko, S.I.; Pandey, I.; Park, C.W.; Park, H.K.; Park, H.S.; Park, K.S.; Park, S.Y.; Poda, D.V.; Polischuk, O.G.; Prihtiadi, H.; Ra, S.J.; Ratkevich, S.S.; Rooh, G.; Sari, M.B.; Seo, K.M.; Shin, J.W.; Shin, K.A.; Shlegel, V.N.; Siyeon, K.; So, J. H.; Son, J.K.; Srisittipokakun, N.; Sujita, K.; Tretyak, V.I.; Wirawan, R.; Woo, K.R.; Yoon, Y.S.; Yue, Q.; Zaman, S.U.
- Issue Date
- Sep-2019
- Publisher
- SPRINGER
- Citation
- EUROPEAN PHYSICAL JOURNAL C, v.79, no.9
- Journal Title
- EUROPEAN PHYSICAL JOURNAL C
- Volume
- 79
- Number
- 9
- ISSN
- 1434-6044
1434-6052
- Abstract
- The advanced molybdenum-based rare process experiment (AMoRE) aims to search for neutrinoless double beta decay (0 nu beta beta) of Mo-100 with similar to 100 kg of Mo-100-enriched molybdenum embedded in cryogenic detectors with a dual heat and light readout. At the current, pilot stage of the AMoRE project we employ six calcium molybdate crystals with a total mass of 1.9 kg, produced from Ca-48-depleted calcium and Mo-100-enriched molybdenum (Ca-48depl (MoO4)-Mo-100). The simultaneous detection of heat(phonon) and scintillation(photon) signals is realized with high resolution metallic magnetic calorimeter sensors that operate at milli-Kelvin temperatures. This stage of the project is carried out in the Yangyang underground laboratory at a depth of 700 m. We report first results from the AMoRE-Pilot 0 nu beta beta search with a 111 kg day live exposure of Ca-48depl (MoO4)-Mo-100 crystals. No evidence for 0 nu beta beta decay of Mo-100 is found, and a upper limit is set for the half-life of 0 nu beta beta of Mo-100 of T-1/2(0 nu) > 9.5 X 10(22) years at 90% C.L. This limit corresponds to an effective Majorana neutrino mass limit in the range < m beta beta > <= (1.2-2.1) eV
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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