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Background study of NaI(Tl) crystals for the KIMS-NaI experimentopen access
- Authors
- Adhikari, P.; Adhikari, G.; Choi, S.; Ha, C.; Hahn, I.S.; Jeon, E.J.; Joo, H.W.; Kang, W.G.; Kim, H.J.; Kim, H.O.; Kim, K.W.; Kim, N.Y.; Kim, S.K.; Kim, Y.D.; Kim, Y.H.; Lee, H.S.; Lee, J.H.; Lee, M.H.; Leonard, D.S.; Li, J.; Oh, S.Y.; Olsen, S.L.; Park, H.K.; Park, H.S.; Park, K.S.; So, J.H.; Yoon, Y.S.
- Issue Date
- 2016
- Publisher
- Institute of Physics Publishing
- Citation
- Journal of Physics: Conference Series, v.718, no.4
- Journal Title
- Journal of Physics: Conference Series
- Volume
- 718
- Number
- 4
- ISSN
- 1742-6588
1742-6596
- Abstract
- The DAMA experiment has reported an annual-modulation signal in an array of low-background NaI(Tl) scintillating crystals that may be caused by WIMP-nucleon interactions. However, to date there has been no direct confirmation of this result that uses the same taget nuclides. The Korea Invisible Mass Search (KIMS) collaboration has been engaged in an extensive R&D program to grow ultra-low background NaI(Tl) crystals for use as a direct test of the DAMA result using same nuclide targets. Six crystals were grown from different powders in order to understand mechanisms of internal background contaminations and to reduce their effects. Studies of internal backgrounds in these crystals were performed with the ultimate goal of reducing internal background contamination levels to 1 dru at 2 keV. © Published under licence by IOP Publishing Ltd.
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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