1. build on success to show feasibility of scale-up and physics capability [Brunel, Durham, Sheffield, Sussex, AAE Ltd., e2v Ltd., Rhyal Ltd., Technodyne Ltd.] Motivation: UK leadership in global scale (0.1-1 Mton) Liquid Argon neutrino/PA detector Science discovery goals: CP violation, neutrino mass hierarchy, ϑ 13 Collaborative context: PI is founding member/leader in LAGUNA, LBNO; member of LBNE concordance with CERN, ASPERA roadmaps, PPAP/PAAP (a) particle physics nucleon decay, supernovae mechanism, dark matter (b) particle astrophysics (c) geo & engineering Brunel & e2v Ltd. [CCDs] single site in EU, US or Japan global institutes involved: Europe LAGUNA-LBNO (45); USA LBNE (58); Japan T2O (20) Why LAr: Excellent ν energy resolution, sub GeV threshold, particle ID, low background (ii) how to build tank and site(i) how to read-out charge with gain Pioneering UK work N.J.C. Spooner, D. Tovey, NIM A554 (2005) 266 P.K. Lightfoot, N.J.C. Spooner AstropPhys. 27 (2007) 490 P.K. Lightfoot, N.J.C. Spooner JINST 4 (2009) P04002 N.J.C. Spooner, GLA2010, Tsukuba, Japan, Mar (2010) break-through to show high gain optical readout in LAr Sheffield with WarwickSheffield with AAE and Technodyne break-through in cavern/tank design and LAr purity PRD project aims: N.J.C. Spooner, LAGUNA report (2010) P.K. Lightfoot, N.J.C. Spooner JINST 3 (2008) P10001 (1) Optical Readout Concept in Liquid Argon - mainly academic partners: WP1 - Construction of Charge and Light Readout Plane [Sheffield] WP2 - Optical Coupling Concept and Electronics [Brunel, Sheffield, Sussex, e2v Ltd.] WP3 - Integration of the 1 m 2 Device and Particle Tracking ID Assessment [Durham, Sheffield, Sussex] (2) Implications for Deployment Underground - mainly industrial partners: WP4 - Underground Design, Magnetisation and Liquid Purification [Sheffield, AAE, Rhyal, Technodyne] Sussex [optics, ν physics] Durham IPPP [LAr sensitivity] but challenge for scale-up: RE18 (1 ton Argon at CERN, ETHZ) RD51 (charge readout at CERN) T2K groups....... geo-neutrinos, Earth science, underground engineering and links Saclay UCLA ILL Grenoble New expertise Long Baseline Neutrino Observatory & Particle Astrophysics Facility

2. Finance Philosophy: PRD is glue to lever multiple non-STFC funds from universities & industry 18 month FTE RA; small staff FEC; fabrication and DAQ equipment; £7K T&S Timeliness: T2K/Minos news! discovery of ϑ 13 ? FY1 (£)FY2 (£)Total (£) StaffShef28,18828,86957,056 Sus2,202 4,404 Br1,880 3,760 Dur[4,392] Equip9,7606,80016,560 T&S3,7603,3607,120 DI/DA4,0004,9208,920 Indirect26,05726,05652,112 Estates9,469 18,937 TOTAL (STFC) 87,14585,385172,531 Existing104,91391,912196,826 GRAND TOTAL 192,059177,298369,356 WP1 (£)WP2 (£)WP3 (£)WP4 (£) STFC (PRD) 44,95654,82852,92919,817 6 months RA 3% senior FEC minor tech non-staff £26,931 6 months RA 11% senior FEC minor tech non-staff £30,841 6 months RA 6% senior FEC non-staff £31,366 2% senior FEC non-staff £18,171 non-STFC 42,61349,78654,61349,813 university/ EU/other 3 month RA (EU) 6 month PhD (Shf) 4 month u/g (Shf) 2 month tech (Sus) infrastructure ~£80K 3 month RA (EU) 6 month PhD (Shf) 4 month u/g (Shf) 2 month tech (Bru) infrastructure inc. CCDs ~£150K 6 month Tec (Shf) 2 month u/g (Shf) 2 month PhD. (Sus) infrastructure ~£150K 6 month PhD (Shf) 6 month Tec (Shf) geophys staff (Shf) Industrial Sensl Ltd. free SiPDs, ~£15K ET Ltd. photosensors Tata Ltd., 3 month PhD, optics e2v technology Ltd. - trial CCDs 18 month PhD (AAE) Rhyal in kind ~£10K Technodyne ~£10K TOTAL87,569104,614107,54269,630 Main Deliverables: Key request: Key leverage: matching real non-STFC resources plus existing recycled capital infrastructure including : £43,792 from industry; 18 month PhD (AAE); university PhD/tech manpower; IPPP Durham Deliverable 1: full 1 m 2 THGEM readout plane delivered (month 16) Deliverable 2: 1 m 2 optical readout built, integrated with THGEM (month 17) Deliverable 3: 2 m 3 vessel commissioned with full optical readout (month 23) Deliverable 4: FINAL FEASIBILITY REPORT (month 24) LBNE expanding, LBNO backed by Europe, world-wide growth in LAr technology, capitalise on new UK position (academic AND industrial)