2. SNOLAB Science & Scientific Development Andrew Hime On behalf of the Experiment Advisory Committee Aug. 15, 2005 SNOLAB Surface Building

3. Workshops I.August 20, 2002 (Sudbury) Science & Information Gathering II. November 21-22, 2002 (Ottawa) Prospective Experiments & Infrastructure Needs III. May 12-14, 2004 (Sudbury) Refine Infrastructure Needs & Kick-Off Experiment Evaluation Process IV. August 15-17, 2005 (SNOLAB) Define Initial Suite of Experiments & Scientific Roadmap Begin Formation of User’s Group  Call for LOI’s Jan.26, 2004

4. SNOSolar Neutrinos SNO + & SNO ++Solar Neutrinos & Double Beta Decay Lithium DetectorSolar Neutrinos CLEANSolar Neutrinos & Dark Matter MajoranaDouble Beta Decay GerDADouble Beta Decay EXODouble Beta Decay COBRADouble Beta Decay SuperCDMSDark Matter ZEPLINDark Matter XENONDark Matter DEAPDark Matter PICASSODark Matter COUPPDark Matter DRIFTDark Matter Noble Liquid Tracking DetectorsSolar Neutrinos HALOSupernovae Neutrinos LENAProton Decay, Solar Neutrinos, Supernovae Neutrinos NOSTOS Neutrino Oscillations (  13 ) TRIGANeutron-Antineutron Oscillations Experimental Interest in SNOLAB

5. Solar + KamLAND 1 ~ 8 x 10 -5 eV 2 Matter Vacuum SNO  SNO +   CLEAN

6. Barger et al hep-ph/0502196 ? Non-Standard Interactions ? Miranda et al hep-ph/0406280 Friedland et al

7. … but a testable one nonetheless Adapted from New Yorker Magazine May 23, 2005

8. Jan.1 20052006 2007 2008 2009 2010 2011 2012 2013 2014 |______|______|______|______|______|______|______|______|______| | | | | | | | | | | SNO Decom. SNO + _____ SNO Cavity _____ Rectangular Hal l _____ Ladder Labs _____ Cryo-Pit____ Early Small Space SNO + R&D SNO + Const. & Comm. ? Transition to SNO ++ ? Connect to  0 Solar Neutrinos  HALO - PartialHALO - Full for Supernovae Neutrinos CLEAN Const. & Comm. CLEAN miniCLEAN-LNe Const. & Comm. miniCLEAN-LAr Const. & Comm. Connect to DM

9. ~ 2 x 10 -3 eV 2 Atmospheric Hierarchy? Absolute Mass Scale?

10. ~ 3 x 10 -3 eV 2 __ 10 -3 0 0.05 0.1 sin 2  13 Chooz et al Values of  13 &  CP ? CP Violation in Neutrino Sector? Leptogenesis & Matter-Antimatter Asymmetry in the Universe? Additional CP Phases for Majorana Neutrinos  Are Neutrinos their own Antiparticles?

11. Endpoint Energy e-e- e-e- Z+2 Z+1 Z e e-e- e-e- Z+2 Z+1 Z e e  Decay Requires Massive Majorana Neutrino  L=2

12. ~ 10 27 yrs ~ 10 29 yrs ~ 10 26 yrs 76 Ge Allowed Phase Space for a Majorana Neutrino Mass ~ 10 28 yrs ~ 10 25 yrs We Are Here Next Generation Our Dreams

13. Jan.1 20052006 2007 2008 2009 2010 2011 2012 2013 2014 |______|______|______|______|______|______|______|______|______| | | | | | | | | | | _____ SNO Cavity _____ Rectangular Hal l _____ Ladder Labs _____ Cryo-Pit____ Early Small Space SNO ++ Double Beta Decay  ? COBRA ? 30 kg GerDA at Gran Sasso Majorana Const. & Comm. 60 kg Majorana 120 kg180 kg Liquid EXO At WIPP. Gas EXO Prototype Gas EXO

14. Majorana Neutrino Mass & GUT Scale Seesaw Mechanism m D ~ 200 GeV m ~ 0.01 - 0.1 eV M R ~ 10 15 GeV !

16. halo bulge disk sun …the Milky Way We live in a dark universe …

18. CDMS-II  rays neutrons Want to Improve by ~ 1000 or more!

19. Relative Sensitivities for BGND-Free Searches for Spin-Independent WIMPs  CDMS-II Achieved  CDMS-II at Soudan  SuperCDMS 25 kg  SuperCDMS 150 kg SuperCDMS ZEPLIN XENON  DEAP    miniCLEAN  

20. Jan.1 20052006 2007 2008 2009 2010 2011 2012 2013 2014 |______|______|______|______|______|______|______|______|______| | | | | | | | | | | _____ SNO Cavity _____ Rectangular Hal l _____ Ladder Labs _____ Cryo-Pit____ Early Small Space Dark Matter  PICASSO 25 kg SuperCDMSCDMS-II at Soudan 10 kg DEAP 150 kg SuperCDMS ZEPLIN-II & III at Boulby250 kg ZEPLIN-IVZEPLIN-IV Staged to 1000 kg XENON-10 at Gran SassoXENON-100 1000 kg DEAP 2 kg 32 x 4.5 miniCLEAN LArminiCLEAN LNe COUPP 2 kg FNAL10 kg Const.100’s kg 3 kg 8 x 30 DRIFT I & II at Boulby100 kg DRIFT-III ? Plans for 1000 kg ? 25 kg100 kg

21. Experiment Advisory Committee Chair: Barry Barish Secretary: Andrew Hime Baha Balantekin (US) Cliff Burgess (CND) Ken Ragan (CND) John Martin (CND) Kate Scholberg (US) Takaaki Kajita (Japan) David Wark (UK) Scientific Merit Infrastructure Needs Progress on R&D Technical Feasibility Safety Funding & Schedule Participation & Management  Letters-of-Interest (LOI’s) received have undergone EAC review …  Letters-of-Response (LOR’s) have been drafted and distributed to points-of-contact …  LOR’s included a set of “Queries” to which (many) of you have responded …  Preliminary recommendations for the science program have been developed …  New considerations on the table since previous workshop and initial call for LOI’s  Use outcome of this workshop to refine vision and recommendations …  Feed-back Wednesday morning …