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Yangyang Underground Laboratory

Yangyang Underground Laboratory. Sun Kee Kim Seoul National University. Questions on Universe. What is the Universe made of? How large is the Universe? How did the Universe start? What is the destiny of the Universe? What is the meaning of life in the Universe? ….

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Yangyang Underground Laboratory

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  1. Yangyang Underground Laboratory Sun Kee Kim Seoul National University

  2. Questions on Universe • What is the Universe made of? • How large is the Universe? • How did the Universe start? • What is the destiny of the Universe? • What is the meaning of life in the Universe? • … Some of these questions can be answered by understanding the nature of Dark matter and Neutrinos “The most incomprehensible thing about the world is that it is comprehensible” - A. Einstein-

  3. Issues • Dark Matter • What is it ? WIMP?, Axion,… • What is its nature? Mass, SUSY,… • Neutrinos • What is mass? • Majorana or Dirac? • Magentic moment? • Mixing angle? • Underground experiments on • Direct dark matter search • Neutrinoless double beta decay search • Neutrino magnetic moment with strong source “The most incomprehensible thing about the world is that it is comprehensible” - A. Einstein-

  4. On going at KIMS • Dark Matter • CsI(Tl) crystal detector • ULE HPGe detector for low mass • Cryogenic detector development • Neutrinoless double beta decay • Metal(Sn,Zn,…)loaded liquid scintillator • CaMoO4 crystal detector • Other crystals(PbMoO4,CdWO4,...) PLB 633, 201, 2006

  5. DMRC • Dark Matter Research Center at SNU was established in 2000. - funded by Creative Research Initiative program of MOST(funded up to 2009) • KIMS group for CsI(Tl) WIMP search - SNU, Kyungpook National Univ., Sejong Univ. Younsei University, Ewha Woman’s Univ., KRISS • International Collaboration - China: Tsinghua Univ., IHEP - Taiwan: Academia Sinica (ULE HPGe) - Japan: KEK, Saga Univ. - Russia: ITEP (DBD) - Ukrine: INR (DBD)

  6. History • 2000.12.16 Mini-workshop on WIMP search with crystals, Seoul (Henry Wong, Jin Li) • 2001.3.21 Beijing Mini-workshop, Beijing • 2001.9.13 Cold Dark Matter Mini-workshop, Taipei • 2003.9.23 TEXONO-KIMS joint meeting, Beijing • 2003.9.28 Vasily Kornoukhov visited KIMS • 2004.1.29 TEXONO-KIMS Joint workshop, Yongpyung • 2004.4.21 KIMS visited Moscow • 2004.7.5 ITEP group visited KIMS • 2004.10.27 Chinese Funding agency visited KIMS • 2005.10.9 Fedor Danevich visited KIMS • 2005.12.18 Takayuki Matsui visited KIMS • 2006.2.6 Workshop on the underground experiments at Yangyang • Good news in 2005 • Tsinghua Univ. group got funding support • ITEP group got ISTC project funded

  7. Y2L current

  8. Underground Lab. Space New Lab. space 40 m x 20 m = 800 m2 Current Lab. ~ 100m2

  9. Planned underground Lab. Current Lab. space

  10. Yangyang Underground Laboratory Y2L • Ground Lab. • 2 story building- 900m2 • Detector construction/test • Chemical lab./clean room • Machine shop/Electronics shop • Offices, Meeting rooms • Dorm., Kitchen, Lounge • Etc. • Underground Lab. • Lab. 10x10=100m2 x 3 • Lab. 10x5 = 50m2 x 2 • Mini Machine shop • Liquid N2/He facility • Parking space • Service/utility space

  11. A result of the last workshop  Reuslts of this workshop  Something Great!

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