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Robert Svoboda, U.C. Davis
KamLAND Detector
12/14/2008 R.Svoboda 3
water-filledactive veto
1325 17”554 20” PMT’s
buffer oilregion
scintillatorfilled balloon6.5 m radius1000 tons
1 km deep inKamioka Mine
1999-2004
The Double Chooz Experiment
ν ν νν
νν
νν
1051 m380 m
Svoboda, Classen, HensonGoal: measure q13 to see if newexperiments could find CP violation
Run start: July, 2009
DUSEL Experiment Development and Coordination (DEDC)Internal Design Review
July 16-18, 2008Steve Elliott, Derek Elsworth, Daniela Leitner, Larry Murdoch, Tullis C. Onstott and Hank Sobel
Mani Tripathi, SUSY07
Large Underground Xenon Experiment
Goal: 20 times more sensitive thanCDMS/XENON10 experiments.
Svoboda, Classen, Tripathi, Sweany,Walsh, WuUnder construction,Start running summer 2009.
LUX
Cryostat Assembly
EGC
Cathode
Grid
Anode
EAG
EAG > EGC
Liquid phase
Gas phase
PMT Array
(not all tubes shown)
Light Signal
UV ~175 nm
photons
Time
Primary
Secondary
Interaction (WIMP or Electron)
Liq. Surface
e-e-
e-e-
e-e-
e-e-
e-e-
e-e-
Electron Drift
~2 mm/µs
0–150 µs
depending on
depth
~40 ns width
~1 µs width
How to Look? Here’s one way…
DUSEL LONG BASELINE EXPERIMENT
IMB
3 ktons Kamiokande
1 kton
Super-Kamiokande
22 ktons
WC Detector Development
DUSEL 300 ktons
Institutional Board• ANL: M. Goodman
• Boston: E. Kearns
• BNL: M.Diwan
• Caltech: R. McKeown
• UC Davis: R.Svoboda
• UC Irvine: H.Sobel
• UCLA: H.Wang
• Chicago: E.Blucher
• Colorado State: N.Buchanan
• Columbia: L.Camilieri
• Drexel: C.Lane
• Duke: K.Scholberg, C.Walter
• FNAL: R.Rameika
• Indiana: M.Messier
• INFN(Catania): R.Potenza
• Kansas State: T.Bolton
• LLNL: A.Bernstein
• LBL: R.Kadel
• LSU: T.Kutter
• Maryland: G.Sullivan
• MIT: J.Conrad
• Minnesota: M.Marshak, W.Miller
• Minnesota(Duluth): A.Habig
• Penn: K.Lande
• Princeton: K.McDonald
• RPI: J.Napolitano
• S.Carolina: C.Rosenfeld
• Tufts: H.Gallagher
• Wisconsin: K.Heeger
• Yale: B.Fleming
R.Svoboda, 3 November 2008
Current Issues:
Depth Document
Election of Chair
Mission Statement
White Paper
Collaboration Governance