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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
- 9월-2019
- Publisher
- SPRINGER
- Citation
- EUROPEAN PHYSICAL JOURNAL C, v.79, no.9
- Indexed
- SCIE
SCOPUS
- Journal Title
- EUROPEAN PHYSICAL JOURNAL C
- Volume
- 79
- Number
- 9
- ISSN
- 1434-6044
- 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 - Graduate School > Department of Accelerator Science > 1. Journal Articles
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