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