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First limit on WIMP cross section with low background CsI(Tℓ) crystal detector

Title: First limit on WIMP cross section with low background CsI(Tℓ) crystal detector

Authors: Lee H.S.; Bhang H.; Choi J.H.; Hahn I.S.; He D.; Hwang M.J.; Kim H.J.; Kim S.C.; Kim S.K.; Kim S.Y.; Kim T.Y.; Kim Y.D.; Kwak J.W.; Kwon Y.J.; Lee J.; Lee J.H.; Lee J.I.; Lee M.J.; Li J.; Myung S.S.; Park H.; Yang H.Y.; Zhu J.J.

Journal Title: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

Citation: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics vol. 633, no. 2-3, pp. 201 - 208

Abstract: The Korea Invisible Mass Search (KIMS) Collaboration has been carrying out WIMP search experiment with CsI(Tℓ) crystal detectors at the YangYang Underground Laboratory. A successful reduction of the internal background of the crystal was done and a good pulse shape discrimination was achieved. We report the first result on WIMP search obtained with 237 kg days data using one full-size CsI(Tℓ) crystal of 6.6 kg mass. © 2005 Elsevier B.V. All rights reserved.