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A Study of Radioactive Contamination of (CaMoO4)-Ca-40-Mo-100 Crystals for the AMoRE Experiment

Title
A Study of Radioactive Contamination of (CaMoO4)-Ca-40-Mo-100 Crystals for the AMoRE Experiment
Authors
Lee, J. Y.Alenkov, V.Ali, L.Beyer, J.Bibi, R.Boiko, R. S.Boonin, K.Buzanov, O.Chanthima, N.Cheoun, M. K.Chernyak, D. M.Choi, J.Choi, S.Danevich, F. A.Djamal, M.Drung, D.Enss, C.Fleischmann, A.Gangapshev, A.Gastaldo, L.Gavriljuk, Y.Gezhaev, A.Gurentsov, V.Hahn, I. S.Jeon, E. J.Jo, H. S.Joo, H.Kaewkhao, J.Kang, C. S.Kang, S. J.Kang, W. G.Karki, S.Kazalov, V.Khan, S.Khanbekov, N.Kim, G. B.Kim, H. J.Kim, H. L.Kim, H. O.Kim, I.Kim, J. H.Kim, K.Kim, S. K.Kim, S. R.Kim, S. Y.Kim, Y. D.Kim, Y. H.Kirdsiri, K.Ko, Y. J.Kobychev, V. V.Kornoukhov, V.Kuzminov, V.Lee, H. J.Lee, H. S.Lee, J. H.Lee, J. M.Lee, K. B.Lee, M. H.Lee, M. K.Leonard, D. S.Li, J.Li, Y. J.Limkitjaroenporn, P.Ma, K. J.Mineev, O.Mokina, V. M.Olsen, S.Panasenko, S.Pandey, I.Park, H. K.Park, H. S.Park, K. S.Poda, D. V.Polischuk, O. G.Polozov, P.Prihtiadi, H.Ratkevich, S.Ra, S. J.Rooh, G.So, J. H.Srisittipokakun, N.Tekueva, J.Tretyak, V. I.Veresnikova, A.Wirawan, R.Yakimenko, S.Yershov, N.Yoon, W. S.Yoon, Y. S.Yue, Q.
Ewha Authors
한인식
SCOPUS Author ID
한인식scopus
Issue Date
2016
Journal Title
IEEE TRANSACTIONS ON NUCLEAR SCIENCE
ISSN
0018-9499JCR Link1558-1578JCR Link
Citation
vol. 63, no. 2, pp. 543 - 547
Keywords
CaMoO4double beta decayradioactive contaminationtime-amplitude analysis
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
A calcium molybdate (CaMoO4) crystal scintillator, with molybdenum enriched in Mo-100 and calcium depleted in Ca-48 ((CaMoO4)-Ca-40-Mo-100), was developed by the Advanced Molybdenum based Rare process Experiment (AMoRE) collaboration to search for a neutrinoless double beta (0 nu beta beta) decay of Mo-100. We are planning to use about 10 kg of (CaMoO4)-Ca-40-Mo-100 crystals as cryogenic bolometers for the first phase of the experiment (AMoRE-I) at the Yang Yang underground laboratory (Y2L) in Korea. This experiment calls for an extremely low level of radioactive contamination in detectors, particularly by thorium, uranium, and radium decay chains. We measured scintillation properties and radioactive contamination of CaMoO4 and (CaMoO4)-Ca-40-Mo-100 crystals at the Y2L. We also estimated the acceptable level of internal radioactive background using Monte Carlo simulation for the AMoRE-I.
DOI
10.1109/TNS.2016.2530828
Appears in Collections:
사범대학 > 과학교육과 > Journal papers
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