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Lower Campus. Harry Nelson UCSB HUSEP Ft. Collins Nov. 19, 2005. SNOLAB. Rectangular Hall 60ft L x 50ft W x 50ft H. Cryo-Pit 65ft H x 50ft OD. Underground Laboratory Conceptual Layout White Paper Description in Progress. SNO Cavern 110ft H x 75ft OD. Ladder-Labs 15ft W x 10ft H

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Lower Campus

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Lower campus

Lower Campus

Harry Nelson

UCSB

HUSEP Ft. Collins

Nov. 19, 2005


Lower campus

SNOLAB

Rectangular

Hall

60ft L x 50ft W x 50ft H

Cryo-Pit

65ft H x 50ft OD

Underground Laboratory

Conceptual Layout

White Paper Description in Progress

SNO Cavern

110ft H x 75ft OD

Ladder-Labs

15ft W x 10ft H

20ft W x 10ft H

Chemistry

Lab

 Excavation has begun under contract with Redpath

 First new space in about 1 year

 Laboratory complete in 2007

Ft. Collins DUSEL Workshop


Clean areas overpressure all class 2000

Clean Areas Overpressure – (all Class 2000)

 H2S – air scrubbed

(From Frasier Duncan)

Ft. Collins DUSEL Workshop


Initial suite of experiments bernard sadoulet

Initial Suite of Experiments (Bernard Sadoulet)

Deep Campus

Biology observ.

Deep Biology Drilling

3 Medium block experiments

PHYSICS

TPC

Solar ν

DM

ββ

Ft. Collins DUSEL Workshop


Lower campus

Xenon Infrastructure (Hanguo Wang)

Ft. Collins DUSEL Workshop


Bubble lab infrastructure andrew sonnenschein

Bubble Lab Infrastructure (Andrew Sonnenschein)

  • Scalability and simplicity of construction of bubble and droplet chambers may create a demand for significant amounts of deep underground space on a short time scale.

  • Depth. Must Henderson equal SNOLAB depth to compete effectively for these projects? Would Henderson “central campus” be an acceptable place to be in 2010?

  • Type of underground space: General purpose, “Gran Sasso style” caverns would allow the lab to quickly adapt to new technologies, while custom excavations force us to plan further ahead and limit flexibility.

  • Access for large, heavy modules. These technologies probably allow instruments up to ~1 ton active mass to be built outside the lab and brought in on trucks.

  • Need water for shielding rock neutrons and perhaps for Muon veto Cherenkov counters. Can share infrastructure for water production and discharge with other experiments?

  • Venting: may require emergency capability to safely vent asphyxiating or mildly toxic gases. Similar requirement will exist for large cryo experiments.

Ft. Collins DUSEL Workshop


Germanium infrastructure harry nelson

Germanium Infrastructure (Harry Nelson)

  • 20 m L  10 m W  10 m H (60  30  30 feet)

  • Liquid He and Nitrogen (compressor plant? 100 m2, 1000

    sqft)

  • 100 kVA electrical power

  • 200 m3/minute air flow (6000 cfm)

  • low Radon capability (details need work)

  • 5-ton crane

  • What facilities are in common with the ββ program?

  • (Majorana, Gerda, Genius, CUORE)

Ft. Collins DUSEL Workshop


Lower campus

  • Simulated Santa Barbara (better yet, Isla Vista) beach

  • rest area

Ft. Collins DUSEL Workshop


Lower campus

Dark Matter Sensitivity versus Depth

Dongming Mei & AH, preliminary

Ft. Collins DUSEL Workshop


Lower campus

bb Sensitivity versus Depth

Degenerate

Inverted

Internal BGND

Total Muon BGND

Muons

Muon-Induced Neutrons

Normal

Dongming Mei & AH, preliminary

Ft. Collins DUSEL Workshop


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