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Sanford Underground<br />

Research Facility<br />

<strong>Jaret</strong> <strong>Heise</strong><br />

Science Director<br />

VII International Conference on Interconnections<br />

Between Particle Physics and Cosmology (PPC2013)<br />

Deadwood, SD<br />

July 13, 2013 (aka Neutrino Day!)<br />

Figure Courtesy<br />

PDG and LBNL<br />

Sanford Underground Research Facility 1 Homestake DUSEL


Sanford Underground Research Facility<br />

!!<br />

!"#$%&'(%<br />

)*(#+%&,-".#/%<br />

12+2(,3%&#$(#3%<br />

0,++%<br />

&,-".#/%<br />

186 acres (surface)<br />

7700 acres (underground)<br />

Sanford Underground Research Facility<br />

2


SURF Underground Levels<br />

600 km tunnels from the surface to 8000 feet deep<br />

Yates<br />

Shaft<br />

Ross<br />

Shaft<br />

Oro Hondo<br />

#5 Shaft<br />

(ventilation)<br />

4850L<br />

(4300 mwe)<br />

#6 Winze<br />

Sanford Underground Research Facility<br />

3


SURF Chronology: 2006-2013<br />

2006 Homestake donates mine. T. Denny Sanford donates $70M.<br />

2007 NSF selects Homestake to be the DUSEL.<br />

2008 Ross Shaft reentry and underground dewatering begin.<br />

2009 Yates Shaft reentry and construction on 4850 Level begin.<br />

2010 Davis Campus excavation completed. NSB terminates DUSEL funding.<br />

2011 Davis Campus outfitting begins. DOE funds operations at $15M / year.<br />

2012 Davis Campus completed. LUX and MAJORANA experiments deploy<br />

underground for assembly. Ross Shaft refurbishment begins.<br />

2013 LUX begins dark matter search. MAJORANA begins data collection.<br />

Designs advance for LBNE and LZ experiments. DIANA site selected.<br />

Sanford Underground Research Facility<br />

4


Current SURF Activities – Four Main Areas<br />

• Sustaining maintenance and operations<br />

– Dewatering<br />

– Safe access to the underground<br />

– Maintaining infrastructure investments<br />

• Facility improvements and rehabilitation<br />

– Ross Shaft Rehabilitation, incl steel replacement<br />

• Integrating Science program<br />

– 4850L Davis Campus facility operations<br />

– Large Underground Xenon (LUX) and MAJORANA<br />

DEMONSTRATOR (MJD) experiment installation and data taking<br />

– Center for Ultra-Low Background Experiments in the Dakotas<br />

(CUBED) low-background counter installation + other projects<br />

• Planning for next generation experiments<br />

– Next generation dark matter (LZ) experiment<br />

– Long-Baseline Neutrino Experiment (LBNE)<br />

– Dual Ion Accelerator for Nuclear Astrophysics (DIANA)<br />

Sanford Underground Research Facility<br />

5


Ross Shaft Rehabilitation<br />

Replacing aging shaft steel to enable future operations & construction<br />

• Removing old steel. Installing new ground support and ~6M<br />

pounds of new shaft steel."<br />

• As of July 9, 2013, new steel installed to 772ʼ mark"<br />

• Currently projecting a June 2017 completion"<br />

Sanford Underground Research Facility<br />

6


SURF Dewatering Status<br />

Holding Water Elevation at ~6000’ as of April 2012<br />

4000<br />

Pumps on<br />

June 5, 2008<br />

1000-1300 gpm outflow,<br />

~700 gpm inflow<br />

Homestake Level (Feet Below Surface)<br />

5000<br />

6000<br />

7000<br />

8000<br />

Pumps off<br />

June 10, 2003<br />

Homestake 4850L<br />

Homestake 7400L<br />

Mid 2013<br />

Homestake 8000L<br />

Late 2013<br />

Homestake 4850L<br />

Dry May 13, 2009<br />

Current Water Level = 5825’<br />

(as of July 12, 2013)<br />

Holding at ~6000’<br />

-3000 -2500 -2000 -1500 -1000 -500 0 500<br />

2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014<br />

Time (Days)<br />

Sanford Underground Research Facility<br />

7<br />

Updated: Jul 17, 2012


Current SURF Science Program<br />

Physics LUX-350 Dark Matter<br />

MAJORANA DEMONSTRATOR 0νββ<br />

CUBED Low-Bkgd Counting,<br />

Bkgd Characterization [1,2]<br />

(possibly Crystal Growth in future)<br />

DIANA Neutron backgrounds<br />

LBNE Cleanliness tests<br />

DUGL Seismic characterization [3]<br />

Geology GEOX TM Optical fiber applications,<br />

tiltmeters for deformation [4]<br />

Hydro Gravity Local gravity for<br />

water tables, densities<br />

PODS Petrology, ore deposits,<br />

structure<br />

Transparent Earth Seismic arrays<br />

Biology Biodiversity BHSU, SDSMT [5,6]<br />

Biofuels SDSMT [7,8,9]<br />

Bioprocessing R&D SDSMT<br />

Syngas/Biofuels SDSMT<br />

Engineering None currently, but interest from<br />

geothermal, Xilinx<br />

Previous include:<br />

- Signal Propagation<br />

- Submersible<br />

Other<br />

(Site<br />

Cummingtonite Geology (NSSGA)<br />

Vertical Array Geophysics (SJSU)<br />

Selection THMCB Geology (NSF S4)<br />

Only) Fracture Group Geology (NSF S4)<br />

EcoHydro Group Geology (NSF S4)<br />

Sanford Underground Research Facility<br />

Total Active = ~14 groups<br />

(Plus Others)<br />

Peer-reviewed publications denoted by [ ]<br />

8


Researcher Effort at SURF<br />

4000<br />

LUX<br />

30<br />

2500<br />

Majorana<br />

30<br />

3500<br />

25<br />

2000<br />

25<br />

3000<br />

Person Hours<br />

2500<br />

2000<br />

1500<br />

20<br />

15<br />

10<br />

1500<br />

1000<br />

20<br />

15<br />

10<br />

Average Onsite Personnel<br />

1000<br />

500<br />

5<br />

500<br />

5<br />

0<br />

Aug-10<br />

Oct-10<br />

Dec-10<br />

Feb-11<br />

Apr-11<br />

Jun-11<br />

Aug-11<br />

Oct-11<br />

Dec-11<br />

Feb-12<br />

Apr-12<br />

Jun-12<br />

Aug-12<br />

Oct-12<br />

Dec-12<br />

Feb-13<br />

Apr-13<br />

Jun-13<br />

0<br />

0<br />

Nov-10<br />

Jan-11<br />

Mar-11<br />

May-11<br />

Jul-11<br />

Sep-11<br />

Nov-11<br />

Jan-12<br />

Mar-12<br />

May-12<br />

Jul-12<br />

Sep-12<br />

Nov-12<br />

Jan-13<br />

Mar-13<br />

May-13<br />

0<br />

Surface Underground Onsite Personnel<br />

Sanford Underground Research Facility<br />

Surface Underground Onsite Personnel<br />

9


SURF Current Science Laboratories<br />

Sanford Underground Research Facility<br />

10


SURF Science Infrastructure<br />

4850L Ross Campus<br />

Backup Power<br />

Generator<br />

17 Ledge<br />

Fire<br />

Door<br />

Fire<br />

Door<br />

MAJORANA<br />

Electroforming<br />

Lab<br />

Fire<br />

Door<br />

Electrical<br />

Station<br />

Ross<br />

Shaft<br />

Governor’s<br />

Corner<br />

Fire Door<br />

North<br />

Davis Campus<br />

(~1000 m)<br />

Area of<br />

Refuge<br />

#6 Winze<br />

75 m<br />

Sanford Underground Research Facility<br />

11


Ross Campus: MAJORANA DEMONSTRATOR<br />

Copper Electroforming Laboratory<br />

Sanford Underground Research Facility<br />

12


Ross Campus: MAJORANA DEMONSTRATOR<br />

Copper Electroforming Laboratory<br />

Sanford Underground Research Facility<br />

13


Davis Campus Open for Science<br />

$15.2M South Dakota Commitment to Davis Campus Development<br />

– $1.8M design (CNA Consulting Engineers)<br />

– $4.8M excavation & shotcrete (SDSTA performed)<br />

– $8.6M outfitting (Ainsworth-Benning Construction general contractor, local subs)<br />

– 9,979 ft 2 laboratory space; 29,402 ft 2 total Davis Campus footprint<br />

– Timeline:<br />

• Sep 2009 – Jan 2011: Excavation performed in-house (16,632 tonnes excavated)<br />

• Jan 2011 – Jun 2011: Shotcrete (1,264 – 2,000 lb bags)<br />

• Jun 2011: Outfitting contractor mobilized<br />

• May 2012: Substantial completion (Dedication May 30)<br />

• Jul 2012: Final occupancy<br />

• Zero lost-time injuries<br />

Davis Campus 3D Laser Scan"<br />

Sanford Underground Research Facility<br />

14


SURF Science Infrastructure<br />

4850L Davis Campus: 2,732 m 2 (Total) / 927 m 2 (Science)<br />

Ross Shaft<br />

(~1000 m)<br />

MAJORANA Lab/Transition<br />

43m (L) x 16m (W) x 5m (H)<br />

LUX Lab/Davis Cavern<br />

18m (L) x 11m (W) x 13m (H)<br />

Cryogen Storage<br />

New Access Tunnel<br />

(~100 m to Davis Cavern)<br />

Generator<br />

Water<br />

Purification<br />

Electrical Substation,<br />

Chiller<br />

Yates Shaft<br />

Cryogen Storage<br />

50 m<br />

Sanford Underground Research Facility<br />

15


Transition Area in September 2009<br />

Sanford Underground Research Facility<br />

16


Transition Area in September 2010<br />

Sanford Underground Research Facility<br />

17


Transition Area in March 2012<br />

Sanford Underground Research Facility<br />

18


MAJORANA DEMONSTRATOR<br />

Machining Electroformed Copper<br />

Sanford Underground Research Facility<br />

19


MAJORANA DEMONSTRATOR<br />

Detector Location, Glovebox, Cryostat<br />

Sanford Underground Research Facility<br />

20


LUX at the Davis Campus (Upper Level)<br />

Sanford Underground Research Facility<br />

21


LUX at the Davis Campus (Lower Level)<br />

Sanford Underground Research Facility<br />

22


CUBED: Center for Ultra-Low Experiments in Dakotas<br />

Low-Background Counting<br />

High-purity Ge counter: 1.2 kg crystal, 0.01-0.1 ppb sensitivity to U/Th<br />

Initial installation<br />

Initial operation<br />

(Bare crystal)<br />

Current operation<br />

(Cu shielding + N 2 purge)<br />

Sanford Underground Research Facility<br />

23


CUBED: Center for Ultra-Low Experiments in Dakotas<br />

Initial gamma-ray spectrum (successive shielding)<br />

Sanford Underground Research Facility 24


SURF Science Support – Meetings<br />

MJD<br />

LUX<br />

CUBED<br />

Sanford Underground Research Facility 25


SURF Science Support – IT<br />

• Site Bandwidth<br />

– Inter-campus communication = 100-1000 Mbps<br />

– “Internet1” (commodity) = 1 Gbps<br />

– “Internet2” (research/REED) = 10 Gbps<br />

[expandable]<br />

• Data Throughput (not incl backups to offsite)<br />

– 2012: 21.8 TB transferred in/out<br />

– 2013: 81.1 TB (so far!) transferred in/out<br />

! 74.5 TB via Internet2<br />

! ~1.5 TB/day currently<br />

Sanford Underground Research Facility<br />

26


SURF Science Support – Liquid Nitrogen<br />

Sanford Underground Research Facility<br />

27


SURF Science Support – Radon Monitoring<br />

Davis Campus Radon Levels Since July 2012<br />

Average Radon Concentration (Bq/m 3 )<br />

1500<br />

1250<br />

1000<br />

750<br />

500<br />

250<br />

0<br />

0 30 60 90 120 150 180 210 240 270 300 330 360<br />

Jul Aug Sep Oct Nov Dec<br />

Sanford Underground Research Facility<br />

https://docs.sanfordlab.org/<br />

docushare/dsweb/View/Wiki-86<br />

Oro Hondo Maintenance<br />

(Aug 14)<br />

Average Since Oct<br />

= 249 Bq/m 3<br />

Low Baseline<br />

= ~150 Bq/m 3<br />

Rn Spikes Correlated with<br />

Covering Yates Shaft<br />

Jan<br />

Time (days)<br />

4850L Davis Campus<br />

MJD Eforming Room<br />

MJD Detector Room<br />

Common Corridor<br />

Total Average<br />

= 306 Bq/m 3<br />

Ventilation<br />

Fan Change?<br />

(incl baseline<br />

shift)<br />

Feb Mar Apr May Jun<br />

Jul<br />

Updated June 27, 2013<br />

28


SURF Science Support – Geology Model<br />

• 3D model of seven main rock formations<br />

• Detailed surface topology<br />

• Compiling rock geo-chemistry and density data from variety of<br />

sources<br />

• Working to increase model extent (~99% muon flux)<br />

• Slicing cone to give<br />

geology as function<br />

of angle<br />

Representation of 3D cone of rock<br />

above 4850L Davis Campus<br />

Sanford Underground Research Facility<br />

29


Path Forward for Future Physics Experiments<br />

• Dark Matter<br />

– G1 LUX (0.35T) and potential upgrades<br />

– G2 LZ (8-9T) using existing infrastructure<br />

– G3 (>10T) in a new Lab Module<br />

• Neutrinoless Double-Beta Decay<br />

– G1 and Electroforming Lab for MJD<br />

– Tonne-scale expt. in a new Lab Module<br />

• Identifying additional space<br />

suitable for R&D (surface &<br />

underground)<br />

G2 Dark Matter: LZ 8-9 tonnes LXe<br />

(5-6 fiducial)<br />

• Nuclear Astrophysics<br />

– DIANA near 4850L Ross Shaft<br />

• Long Baseline Neutrino Expt.<br />

(LBNE), Proton Decay, and ancillary<br />

neutrino measurements<br />

Multi-function Lab Module:<br />

G3 Dark Matter, Tonne-scale 0!""<br />

Sanford Underground Research Facility<br />

30


SURF R&D Space – Surface<br />

• Surface Laboratory:<br />

− 190 m 2 lab space (lower 3 levels not fully developed)<br />

− Cleanroom (~37 m 2 incl anteroom, 9’ ceiling, Class ~1000)<br />

− Water shield tank (~25 m 3 , ~3-m diameter)<br />

− Communications, network<br />

• Other options possible, but will require some preparation/rehab<br />

Main area, hatch covers opening to water<br />

tank<br />

Sanford Underground Research Facility<br />

LBNE/LZ cleanliness tests (SDSMT)<br />

31


SURF R&D Space – Underground<br />

• Davis Campus and Vicinity:<br />

− Inside Davis Campus clean space, Lower Davis room: ~17 m 2<br />

(14’ ceiling height)<br />

− Two cutouts outside clean space: ~33-50 m 2 (with 12’ avg ceiling height)<br />

• Working to formalize these and other options for community<br />

Near Davis Campus entrance, sprinklers,<br />

concrete floor, power/network installed<br />

Sanford Underground Research Facility<br />

Near decline to Water Purification room,<br />

less developed, services easy to install<br />

32


SURF Current & Future Science Program<br />

Sanford Underground Research Facility<br />

33


Looking to the Future<br />

Protecting South Dakota’s Investment<br />

SURF Scientific Program 2012 2013 2014 2015 2016 2017 2018 2019 2020 2025 2030 2035 2040<br />

Neutrinoless Double-Beta Decay<br />

Majorana Demonstrator<br />

1-Tonne Experiment<br />

Dark Matter<br />

LUX (Xe)<br />

LZ (Xe) (Generation 2)<br />

Generation 3<br />

2<br />

0 4<br />

4<br />

0 1 2 3 4<br />

Long Baseline Neutrino<br />

LBNE Phase I<br />

1 2 3<br />

4<br />

Nuclear Astrophysics<br />

DIANA (proposal to NSF)<br />

Low Background Counting<br />

CUBED<br />

Education and Outreach<br />

SDSTA's E&O Program<br />

Major Facility Projects (SDSTA)<br />

Shaft Rehabilitation<br />

E&O Facility<br />

Possible Laboratory Module<br />

!"##$%&'($<br />

)'*+#$%&'($<br />

R&D and Construction<br />

Commissioning and Operation<br />

Critical Decision Milestones: 0, 1, 2, 3, 4<br />

0 1 2 3<br />

4<br />

Updated:<br />

Apr-2013<br />

Sanford Underground Research Facility<br />

34


Sanford Underground Research Facility<br />

Sanford Underground Research Facility<br />

35


Sanford Underground Research Facility<br />

Thank You!<br />

Sanford Underground Research Facility<br />

36


Science Personnel<br />

127 Full-Time Personnel (+ 20 part-time), 10 Departments<br />

Mark Hanhardt (MS)! Experiment Support Scientist<br />

- Davis Campus science support<br />

David Taylor (BSME,PE)! Expt Review Engineer<br />

- Readiness reviews, cryo safety<br />

Dana Byram (MS)! Experiment Support Scientist<br />

- Davis Campus science support<br />

Robyn Varland! Lab Custodian<br />

- Maintain cleanliness at Davis Campus<br />

<strong>Jaret</strong> <strong>Heise</strong> (PhD)! Director<br />

- Manage science implementation and programs<br />

Sanford Underground Research Facility<br />

37


Science Program by Level<br />

14 Active Groups Plus Others; Bold Names are Active Installations<br />

Surface<br />

300L<br />

800L<br />

1250L<br />

1700L<br />

2000L<br />

LUX-350 Detector assembly, IT<br />

LBNE Cleanliness tests<br />

Bkgd Char Gamma, muon, Rn<br />

Sanford Underground Research Facility<br />

Microclimate/SUL Temp, precip<br />

Vertical Fac Mag field, Ross/Yates<br />

Hydro Gravity Site markers<br />

PODS Core archive<br />

Transparent Earth Core archive<br />

DUGL Low-freq seismometer<br />

Bkgd Char Rn<br />

Signal Prop EM prop in drifts<br />

Biodiversity Baseline samples<br />

DUGL Low-freq seismometer<br />

Bkgd Char Gamma, muon, Rn,<br />

neutron, Pb storage<br />

CO 2 Sequestration Env monitor<br />

MAJORANA Pb, Cu storage<br />

PODS Geologic mapping<br />

Microclimate/SUL Temp, humidity<br />

Bkgd Char/SUL Rn<br />

Lignocellulose Bio samples<br />

Transparent Earth Seismo/tilt (x2)<br />

2000L<br />

(cont)<br />

2600L<br />

3350L<br />

4100L<br />

GEOX TM Tiltmeters (x3), climate<br />

DUGL Low-freq seismometer (x2)<br />

Bkgd Char Gamma, Rn, muon<br />

Biodiversity Seeps, fungus (multi)<br />

CO 2 Sequestration/SUL Env monitor<br />

Microclimate/SUL Temp, humid (x2)<br />

Utah/SUL Extensometers<br />

DUGL Low-freq seismometer (x2)<br />

GEOX TM Optical extens, temp<br />

Transparent Earth (x2) Seismo/tilt<br />

Biology (x2) Seeps, soil<br />

DIANA Neutron background<br />

4550L Biofuels Soil samples<br />

GEOX TM Hydrology<br />

Bkgd Char Gamma, Rn<br />

Bio-Manifold Pump water<br />

4850L MAJORANA Cu eforming, Pb, 0!""<br />

5000L<br />

LUX-350 Dark matter<br />

GEOX TM Hydrology, tiltmeters<br />

CO 2 Sequestration Env monitor<br />

Biology (x6) Seeps, soil, core holes<br />

Bkgd Char/SUL Rn, gamma, x-ray<br />

Biofuels Soil, water samples<br />

38


SURF Current Science Program<br />

Publications<br />

[1] Mei, Zhang, Thomas, Gray, Astroparticle Physics 34, 33-39 (2010)<br />

[2] Gray, Ruybal, Totushek, Mei, Thomas, Zhang, Nuclear Instrumentation &<br />

Methods A 638, 63-66 (2011)<br />

[3] Harms et al., Classical and Quantum Gravity 27, 225011 (2010)<br />

[4] Volk et al., Journal of Instrumentation 7, P01004 (2012)<br />

[5] Waddell, Elliott, Vahrenkamp, Roggenthen, Sani, Anderson, Bang,<br />

Environmental Technology, 31 (8-9), 979-991 (2010)<br />

[6] Rastogi, Muppidi, Gurram, Adhikari, Bischoff, Highes, Apel, Bang, Dixon, Sani,<br />

Journal of Industrial Microbiology and Biotechnology 36, 585-598 (2009)<br />

[7] Rastogi, Bhalla, Adhikari, Bischoff, Hughes, Christopher, Sani, Bioresource<br />

Technology, 101, 8798-8806 (2010)<br />

[8] Rastogi, Osman, Kukkadapu, Engelhard, Vaishampayan, Andersen, Sani,<br />

Microbial Ecology, 60 (3) 539-550 (2010)<br />

[9] Rastogi, Stetler, Peyton, Sani, Journal of Microbiology 47, 371-384 (2009)<br />

Plus others we may not be aware of!<br />

Sanford Underground Research Facility<br />

39


SURF Science Infrastructure<br />

4850L Davis Campus: 2,732 m 2 (Total) / 927 m 2 (Science)<br />

Davis Cavern Upper<br />

Davis Cavern Lower<br />

Sanford Underground Research Facility<br />

40


SURF Science Implementation<br />

Implementation Framework<br />

• Project Documentation:<br />

! Experimental Planning Statement (update as necessary)<br />

! Memorandum of Understanding (update as necessary)<br />

! General Services Agreement (update annually)<br />

! Insurance<br />

! Decommissioning Plan<br />

• EHS:<br />

! Critical procedures, hazard analysis, training<br />

! Chemical, electrical, radioactive source inventories<br />

• Review Process:<br />

! Small projects reviewed by Science/EHS + Subject Matter Experts<br />

! Large projects may also be reviewed by panel of experts<br />

• Laboratory Integration:<br />

! Advisory committees, internal evaluation<br />

! Policies, access, work planning/reporting, use of Lab resources<br />

• Authorization To Proceed<br />

! Lab Management (Headley/Lesko), recommendation (<strong>Heise</strong>), concurrence (Gantos)<br />

Sanford Underground Research Facility<br />

41

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