H
Hyang Kyu Park
Researcher at Korea University
Publications - 11
Citations - 562
Hyang Kyu Park is an academic researcher from Korea University. The author has contributed to research in topics: Weakly interacting massive particles & Dark matter. The author has an hindex of 6, co-authored 11 publications receiving 441 citations. Previous affiliations of Hyang Kyu Park include Korea University of Science and Technology.
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Journal ArticleDOI
Sterile Neutrino Search at the NEOS Experiment.
Youngju Ko,BR Kim,Jy Kim,Bo-Young Han,C. H. Jang,Eun Ju Jeon,K. K. Joo,Hyung J. Kim,H. S. Kim,Yeongduk Kim,Yeongduk Kim,Jongmin Lee,J. S. H. Lee,Moo Hyun Lee,Yoomin Oh,Hyang Kyu Park,Hansoo Park,Kang Soon Park,Kyungmin Seo,Kim Siyeon,GM Sun +20 more
TL;DR: The shape of the antineutrino energy spectrum obtained from the eight-month data-taking period is compared with a hypothesis of oscillations due to active-sterile antineUTrino mixing and no strong evidence of 3+1 neutrino oscillation is found.
Journal ArticleDOI
An experiment to search for dark-matter interactions using sodium iodide detectors
Govinda Adhikari,P. Adhikari,Estella Barbosa de Souza,N. Carlin,Seonho Choi,Mitra Djamal,A. C. Ezeribe,C. Ha,Insik Hahn,A. J. F. Hubbard,Eunju Jeon,J. H. Jo,H. W. Joo,Woon Gu Kang,Woosik Kang,M. Kauer,B. C. Kim,Hongjoo Kim,H. Kim,K. W. Kim,Nam Young Kim,Sun Kee Kim,Yeongduk Kim,Yong-Hamb Kim,Y. J. Ko,V. A. Kudryavtsev,Hyun Su Lee,Jongmin Lee,Joo Young Lee,Moo Hyun Lee,D. S. Leonard,W. A. Lynch,Reina H. Maruyama,F. Mouton,Stephen L. Olsen,B. J. Park,Hyang Kyu Park,Hyeonseo Park,J.S. Park,Kangsoon Park,Walter C. Pettus,H. Prihtiadi,S. J. Ra,Carsten Rott,A. Scarff,K. A. Shin,N. J. C. Spooner,W. G. Thompson,Liang Yang,S.H. Yong +49 more
TL;DR: In this paper, the COSINE-100 experiment was used to determine whether there is evidence for an excess of events above the expected background in sodium iodide and to look for evidence of an annual modulation.
Journal ArticleDOI
An experiment to search for dark matter interactions using sodium iodide detectors
Govinda Adhikari,P. Adhikari,Estella Barbosa de Souza,N. Carlin,Seonho Choi,Mitra Djamal,A. C. Ezeribe,C. Ha,Insik Hahn,A. J. F. Hubbard,Eunju Jeon,J. H. Jo,H. W. Joo,Woon Gu Kang,Woosik Kang,M. Kauer,B. C. Kim,H. Kim,Hongjoo Kim,K. W. Kim,Nam Young Kim,Sun Kee Kim,Yeongduk Kim,Yong-Hamb Kim,Y. J. Ko,V. A. Kudryavtsev,Hyun Su Lee,Jongmin Lee,Joo Young Lee,Moo Hyun Lee,D. S. Leonard,W. A. Lynch,Reina H. Maruyama,F. Mouton,Stephen L. Olsen,B. J. Park,Hyang Kyu Park,Hyeonseo Park,J.S. Park,Kangsoon Park,Walter C. Pettus,H. Prihtiadi,S. J. Ra,Carsten Rott,A. Scarff,K. A. Shin,N. J. C. Spooner,W. G. Thompson,Liang Yang,S.H. Yong +49 more
TL;DR: In this article, the authors report results from the initial operation of the COSINE-100 experiment, which uses sodium iodide as the target medium and is designed to carry out a model independent test of DAMA's claim.
Journal ArticleDOI
Pulse-shape discrimination between electron and nuclear recoils in a NaI(Tl) crystal
Hye Sun Lee,Govinda Adhikari,P. Adhikari,Seonho Choi,Insik Hahn,Eunju Jeon,H. W. Joo,Woosik Kang,G. B. Kim,Hongjoo Kim,H.O. Kim,K. W. Kim,Nam Young Kim,Sun Kee Kim,Yongsun Kim,Yong Hamb Kim,Jongmin Lee,Moo Hyun Lee,D. S. Leonard,J. Li,S. Y. Oh,Stephen L. Olsen,Hyang Kyu Park,Hansoo Park,Kangsoon Park,J. H. Shim,J.H. So +26 more
TL;DR: In this article, the response of a high light-output NaI(Tl) crystal to nuclear recoils induced by neutrons from an Am-Be source and compare the results with the response to electron recoILS produced by Compton scattered 662 keV $\gamma$-rays from a $^{137}$Cs source.
Journal ArticleDOI
A facility for mass production of ultra-pure NaI powder for the COSINE-200 experiment
Keonah Shin,Junseok Choe,Olga Gileva,Alain Iltis,Yeongduk Kim,Cheolho Lee,Hyun Su Lee,Moo Hyun Lee,Hyang Kyu Park +8 more
TL;DR: In this paper, the authors report the design of the purification process, material recovery, and performance of the NaI powder purification facility at the Institute of Basic Science (IBS).