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Ko, Young Ju
지하실험 연구단
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Development of a PbWO4 Detector for Single-Shot Positron Annihilation Lifetime Spectroscopy at the GBAR Experiment

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Title
Development of a PbWO4 Detector for Single-Shot Positron Annihilation Lifetime Spectroscopy at the GBAR Experiment
Author(s)
Kim, BH; Choi, JJ; Chung, M; Clade, P; Comini, P; Crivelli, P; Crepin, PP; Dalkarov, O; Debu, P; Dodd, L; Douillet, A; Froehlich, P; Guellati, S; Heinrich, J; Hervieux, PA; Hilico, L; Husson, A; Indelicato, P; Janka, G; Jonsell, S; Karr, JP; Kim, ES; Kim, SK; Young Ju Ko; Kosinski, T; Kuroda, N; Latacz, B; Lee, H; Jaison Lee; Leite, AMM; Lim, E; Liszkay, L; Louvradoux, T; Lunney, D; Leveque, K; Manfredi, G; Mansoulie, B; Matusiak, M; Mornacchi, G; Nesvizhevsky, VV; Nez, F; Niang, S; Nishi, R; Nourbaksh, S; Lotrus, P; Park, KH; Paul, N; Perez, P; Radics, B; Regenfus, C; Reynaud, S; Rousse, JY; Rubbia, A; Rzadkiewicz, J; Sacquin, Y; Schmidt-Kaler, F; Staszczak, M; Tuchming, B; Vallage, B; van der Werf, DP; Voronin, A; Welker, A; Wolf, S; Won, D; Wronka, S; Yamazaki, Y; Yoo, KH
Publication Date
2020-02
Journal
ACTA PHYSICA POLONICA A, v.137, no.2, pp.122 - 125
Publisher
POLISH ACAD SCIENCES INST PHYSICS
Abstract
© 2020 Polish Academy of Sciences. We have developed a PbWO4 (PWO) detector with a large dynamic range to measure the intensity of a positron beam and the absolute density of the ortho-positronium (o-Ps) cloud it creates. A simulation study shows that a setup based on such detectors may be used to determine the angular distribution of the emission and reflection of o-Ps to reduce part of the uncertainties of the measurement. These will allow to improve the precision in the measurement of the cross-section for the (anti)hydrogen formation by (anti)proton-positronium charge exchange and to optimize the yield of antihydrogen ion which is an essential parameter in the GBAR experiment
URI
https://pr.ibs.re.kr/handle/8788114/8361
DOI
10.12693/APhysPolA.137.122
ISSN
0587-4246
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > 1. Journal Papers (저널논문)
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