Feasibility Study for Developing the Boulby Underground Laboratory
Feasibility study focusing on developing the Boulby Underground Laboratory into a facility for future major international projects. Highlights include typical experiment requirements, next-generation experiments requiring large facilities, and consultation with the community for future developments. The study aims to support experiments related to dark matter, rare-event searches, and life in extreme conditions.
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STFC Opportunities Call 2019 STFC Opportunities Call 2019 Feasibility Study for Developing the Boulby Underground Laboratory Feasibility Study for Developing the Boulby Underground Laboratory into a Facility for Future Major International Projects into a Facility for Future Major International Projects Imperial College London: H Ara jo, T J Sumner University of Sheffield: V Kudryavtsev, V Pec University College London: J Dobson, C Ghag, R Saakyan Rutherford Appleton Laboratory: P Majewski, S. Greenwood Boulby Underground Laboratory: S Paling, P Scovell [SNOLAB: N Smith] Site Review User Requirements DM searches 0 decay Facility Definition Costing 2/16/2025 Boulby Community Meeting - 26th February 2021 1
Intermediate-mass WIMPs A rare-event search pioneering heritage A keen (and proud) industrial host A thriving Laboratory BUGS ultra-low radio-assay facility DRIFT/CYGNUS NEWS-G BISAL/MINAR life in extreme conditions, planetary exploration R&D Misc. particle, geo and environmental studies AIT/NEO An opportunity Beyond the Standard Model Physics Direct Dark Matter Searches using LXe and/or LAr, or gas TPCs, or . Neutrinoless double beta decay QS FP DM/GW/ 2/16/2025 Boulby Community Meeting - 26th February 2021 2
Typical experiment requirements and expectations of facility support Use cases for 50-500 tonnes liquid targets for Dark Matter and 1000kg solid targets for 0 BB derived from existing experiments/proposals Consultation with wider community (two meetings) Recommendation for future developments with timescales and costs Report due mid-2021 2/16/2025 Boulby Community Meeting - 26th February 2021 3
Next Generation Experiments Requiring Large Next Generation Experiments Requiring Large Facilities Facilities DS-50 50 kgms Xe DS-20k 50 tonnes Ar Argon DEAP 3600 4 tonnes Ar ArDM 1 tonne Ar ARGO 370 tonnes 2/16/2025 Boulby Community Meeting - 26th February 2021 4
Next Generation Experiments Requiring Large Next Generation Experiments Requiring Large Facilities Facilities LZ 11 tonnes Xe PandaX 6 tonnes Xe XenonnT 8.5 tonnes Xe DARWIN 50 tonnes Xe PandaX 30 tonnes LXe G3 90 tonnes Xenon TPCs 2/16/2025 Boulby Community Meeting - 26th February 2021 5
Next Generation Experiments Requiring Large Next Generation Experiments Requiring Large Facilities Facilities GERDA 45 kg Ge MAJORANA 44 kg Ge LEGEND 200 kg Ge LEGEND 1 tonne Ge -decay 2/16/2025 Boulby Community Meeting - 26th February 2021 6
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Underground Segment Two sites under industrial study by ICL/AMCO 1100 m and 1400 m ~ 4000 m2 space defined Workshops Cleanrooms Experiment Hall (25m x 25m dia.) Purification plants Staging areas, etc Listen to Vitaly s talk Boulby Surface Segment ~ 30 fte support eventually Surface building 2/16/2025 Boulby Community Meeting - 26th February 2021 8
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Delivery room/ Personnel access Electronics room Water treatment Control room Scintillator plant Store room Mess room Noble gas recovery Radon reduction Detector manufacture Staging/ test facility Car park Cleaning facility Heat production key Low Medium Delivery room High 1400 m Noble gas storage Control room Car park Manufacturing facility Personnel access Store room Mess room 2/16/2025 Boulby Community Meeting - 26th February 2021 13
Surface Building Requirements Surface Building Requirements Staff levels Staff levels Functional roles within facility if a major Functional roles within facility if a major experiment is attracted to Boulby experiment is attracted to Boulby - - ~30 FTE Visitor levels Visitor levels 25 25- -30 per day (construction/commissioning) 30 per day (construction/commissioning) User facilities expected of a well founded site User facilities expected of a well founded site ~30 FTE Review/Cost by STFC Estates using industry standards. 2/16/2025 Boulby Community Meeting - 26th February 2021 14
1,400 3,560 12 27,600 30 2/16/2025 Boulby Community Meeting - 26th February 2021 15
Interested? Challenges listen to talk by Paul Vertical access restrictions Underground safety Target recovery ( Limited scheduled rides . Brief science description Concept design for experiment Location (existing lab, new lab, 1100, 1400) . Top level estimated requirements Size, power, data, Specialist materials Specialist processing Opportunities World class facility Leverage of UK lead roles Local workplace TO BE DISCUSSED IN MORE DETAIL AT NEXT WORKSHOP MEETING IN TWO WEEKS 2/16/2025 Boulby Community Meeting - 26th February 2021 16
