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Measurement of the quenching and channeling effects in a CsI crystal used for a WIMP search

Title
Measurement of the quenching and channeling effects in a CsI crystal used for a WIMP search
Authors
Lee, J. H.Kim, G. B.Seong, I. S.Kim, B. H.Kim, J. H.Li, J.Park, J. W.Lee, J. K.Kim, K. W.Bhang, H.Kim, S. C.Choi, SeonhoChoi, J. H.Joo, H. W.Lee, S. J.Olsen, S. L.Myung, S. S.Kim, S. K.Kim, Y. D.Kang, W. G.So, J. H.Kim, H. J.Lee, H. S.Hahn, I. S.Leonard, D. S.Li, Y. J.Yue, Q.Li, X. R.
Ewha Authors
한인식이현수
SCOPUS Author ID
한인식scopus; 이현수scopusscopus
Issue Date
2015
Journal Title
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
ISSN
0168-9002JCR Link1872-9576JCR Link
Citation
vol. 782, pp. 133 - 142
Keywords
Quenching factorChanneling effectCsI(TI)GEANT4MARLOWEModified Birks&aposformula
Publisher
ELSEVIER SCIENCE BV
Indexed
SCI; SCIE; SCOPUS WOS
Abstract
We have studied channeling effects in a cesium iodide (CsI) crystal that is similar in composition to the ones being used in a search for Weakly Interacting Massive Particles (WIMPs) dark matter candidates, and measured its energy-dependent quenching factor, the relative scintillation yield for electron and nuclear recoils. The experimental results are reproduced with a GEANT4 simulation that includes a model of the scintillation efficiency as a function of electronic stopping power. We present the measured and simulated quenching factors and the estimated effects of channeling. (C) 2015 Elsevier B.V. All rights reserved.
DOI
10.1016/j.nima.2015.02.011
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사범대학 > 과학교육과 > Journal papers
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