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○ Date : April  6(Wed.) 1pm

○ Place : Seminar room, 7th floor of Samsung Library

○ Speaker : Prof. Reina Maruyama(Yale University)

○ Topic : Results from DM-Ice17

○ Abstract: 

Astrophysical observations give overwhelming evidence for the existence of dark matter. For over 15 years, the DAMA collaboration has asserted that they observe a dark matter-induced annual modulation signal but their observation has yet to be confirmed. I will describe DM-Ice a low-background NaI(Tl)-based dark matter experiment aimed at understanding the DAMA signal and unambiguously testing the hypothesis of a dark-matter induced annual modulation signal. DM-Ice17, a prototype experiment consisting of 17kg of NaI(Tl) detectors, has been continuously operating at the South Pole for over 4 years, demonstrating the feasibility of a low-background experiment in the Antarctic ice. The results from DM-Ice17 and prospects for the next generation will be presented.

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