Initial performance of the high sensitivity alpha particle detector at the Yangyang underground laboratory

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Title
Initial performance of the high sensitivity alpha particle detector at the Yangyang underground laboratory
Author(s)
Changhyon Ha; Adhikari G.; Adhikari P.; Eun Ju Jeon; Woon Gu Kang; Bong Hee Kim; Hyounggyu Kim; Yeongduk Kim; Yong Hamb Kim; Hyun Su Lee; Juhee Lee; Moo Hyun Lee; Leonard Douglas; Stephen Lars Olsen; Jungsic Park; Seonkhyun Yong; Young Soo Yoon
Publication Date
2019-01
Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, v.913, no., pp.15 - 19
Publisher
ELSEVIER SCIENCE BV
Abstract
Initial performance of the UltraLo-1800 alpha particle detector at the 700 m deep Yangyang underground laboratory in Korea is described. The ionization detector uses Argon as a counting gas for measuring alpha events of a sample. We present initial calibration results and low-activity sample measurements based on the detector's pulse discrimination method and a hardware veto. A likelihood analysis that shows a separation of a bulk component from a surface component with a contamination depth from 210Po alpha particles using simulated models is presented. (c) 2018 Elsevier B.V
URI
https://pr.ibs.re.kr/handle/8788114/5035
ISSN
0168-9002
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > Journal Papers (저널논문)
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