The GRIFFIN Facility for Decay Spectroscopy at TRIUMF-ISAC

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1 Canada s national laboratory for particle and nuclear physics Laboratoire national canadien pour la recherche en physique nucléaire et en physique des particules Gamma-Ray Infrastructure For Fundamental Investigations of Nuclei The GRIFFIN Facility for Decay Spectroscopy at TRIUMF-ISAC Adam Garnsworthy Research Scientist TRIUMF Spokesperson for the GRIFFIN Collaboration Accelerating Science for Canada Un accélérateur de la démarche scientifique canadienne Owned and operated as a joint venture by a consortium of Canadian universities via a contribution through the National Research Council Canada Propriété d un consortium d universités canadiennes, géré en co-entreprise à partir d une contribution administrée par le Conseil national de recherches Canada

2 New GRIFFIN Facility at TRIUMF Sensitive Decay Spectroscopy Fast, in-vacuum tape system Enhances decay of interest ISOBAR J π ISOMER J π GS β β T 1/2 Longer T 1/2 Shorter T 1/2 β Initial operation in fall 2014 with 12 clovers. Fully commissioned in 2015 n HPGe: 16 Clovers Detect gamma rays and determines branching ratios, multipolarities and mixing ratios LaBr 3 : 8 LaBr 3 Fast-timing of photons to measure level lifetimes E,J π τ γ γ e - E,J π τ γ e - α,p β γ γ β γ Zero-Degree Fast scintillator Fast-timing signal for betas SCEPTAR: plastic scintillators Detects beta decays and determines branching ratios Neutron-Arrays: or VANDLE Detects neutrons to measure beta-delayed neutron branching ratios PACES: 5 Cooled Si(Li)s Detects Internal Conversion Electrons and alphas/protons

3 GRIFFIN Proposals for First Experiments 6 Proposals and 4 LOIs presented to Jan 2014 SAP-EEC S1503LOI, Bernier/Dillmann/Kruecken S1507, Sarazin/Hackman S1517, Finlay/Ettenauer S1518, Finlay S1519, Andreoiu S1542LOI, Tibor/Tripathi/Bender S1547, Grzywacz/Madurga-Flores/Miller S1548LOI, Rajabali S1549LOI, Wang/Sonzogni S1550, Garrett

4 GRIFFIN HPGe Clover Detectors An array of 16 HPGe Clover detectors Addback Factor Absolute Photopeak Efficiency (%) c) Summed Neighbours d) Clover Detectors Single Crystals 60 8pi Spectrometer 100 a) b) Photopeak-to-Total Ratio (%) Efficiency Ratio, GRIFFIN/8pi mm diameter, tapered crystals. 90mm length Resolution (FWHM): MeV kev Rel. 1.3 MeV Crystal 38% Clover 215% ray Energy (kev) ray Energy (kev) Timing 6ns

5 Nine GRIFFIN clovers fully accepted Average Performance of first 32 crystals: Energy 121keV = 1.09keV Energy resolution@ 1.3MeV = 1.90keV Photo-peak Rel. 1.3MeV = 41.52% GRIFFIN HPGe Clover Detectors Dec Accepted April Accepted Jan Accepted Mar Accepted April Accepted May 2015 Complete

6 GRIFFIN Clovers already utilized Doppler-Shift Lifetime Facility, Oct Mg( 3 He,α) 23 Mg*, 1 GRIFFIN Clover Radioactive Widths of Astrophysical interest TIGRESS CsI Array commissioning, April 2013, 12 C+ 18 O fusion-evaporation 3 GRIFFIN Clovers Development of CsI pulse-shape analysis

7 GRIFFIN DAQ System Custom Digital Electronics Modules designed and built by Universite de Montreal and TRIUMF Programmable Logic Pulse Generator 32 Channels NIM or TTL Clock Distribution Module 10MHz Atomic Clock Low-jitter fan-out to all modules GRIF-16 Module 16 chans 100MHz, 14bit 4 chans 1GHz, 14bit GRIF-4G Module Master and Collector Module 650MB/s link to each digitizer 2GB RAM with peak transfer of 8.5Gb/s.

8 GRIFFIN DAQ Architecture GRIF- Clk GRIF- Clk Master Clock Sync Tape Move Beam Kicker Equipment commands Data Storage Data Link, mini-sas, 4 pair Clock Link, esata, 2 pair Commands/Parameters GRIF- Clk HPGe01 HPGe05 VME PPG BGO01 BGO05 Backend Computer HPGe02 BGO02 HPGe06 BGO06 GRIF- C GRIF- C Master GRIF- C HPGe03 HPGe07 BGO03 BGO07 HPGe04 HPGe08 GRIF- C GRIF- C BGO04 BGO08 HPGe09 HPGe11 HPGe13 HPGe15 PACES SCEPTAR SCEPTAR BGO09 BGO11 BGO13 BGO15 DANTE E+S SCEPTAR HPGe10 HPGe12 HPGe14 HPGe16 DANTE TAC SCEPTAR BGO10 BGO12 BGO14 BGO16 SCEPTAR GRIF- Clk GRIF- Clk

9 GRIFFIN DAQ System GRIFFIN Test DAQ system used in Nov and Dec 2013 with GRIF-C, GRIF-Clk and GRIF-4G module to collect data with TIGRESS+

10 New GRIF-16 Digitizer First ever spectrum with GRIF Co source with GRIFFIN #5 2.0 kev energy resolution (1.9 kev with analogue) Daryl Bishop, Bryerton Shaw, Chris Pearson, Chris Ohlmann, Yair Linn

11 GRIFFIN Installation 2011 Yield Station upgrade GPS 4π gas counter move LTNO Tower removal RnEDM Facility move 8pi upgraded to GRIFFIN Fall 2014

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13 Installation in 2014, Initial operation in Fall 2014, Completion in May 2015 GRIFFIN Roadmap 8pi Operation GRIFFIN Installation GRIFFIN Operation Oct 2012 April 2013 Oct 2013 April 2014 Oct 2014 April 2015 Experimental Hall Preparation Installation of Beamline and Electronics Shack Structure Fabrication and Procurement Assembly Installation in ISAC Prototyping, Firmware writing, DAQ Development Fabrication of Production models Receive first 8 Clovers Receive another 4 Clovers Accept all 16 Clovers

14 GRIFFIN Installation Jan 2014 Feb 2014 Mar 2014 April 2014 May 2014 June pi Equipment Removal and Area Preparation Beamline Hardware Cabling and Controls Stable Commissioning Electronics Shack Structure Floor, AC Unit and Electrical DAQ Deployed in Shack Support Structure Cable Trays Detector Installation Milestones: Jan 31 st All 8pi equipment removed Mar 31 st Beamline Hardware installed Apr 30 th Electronics Shack fully installed May 30 th Spectrometer and Cable trays installed

15 Thank you to everyone involved in making this happen First Milestone Achieved: All 8pi equipment removed March rd Feb 2014

16 Thank you to everyone involved in making this happen On Track for Next Milestone 3 rd Feb th Feb 2014 Beamline stands are installed Plan to have all beamline hardware installed by March 31 st Cables and controls to follow

17 Summary GRIFFIN project is progressing well and on-track for completion. Equipment installation will be completed before June GRIFFIN will be available for start of schedule 127 in fall 2014 for early implementation experiments. Full array of 16 clovers completed by April CFI Proposal in preparation for BGO suppression shields.

18 Thank you to everyone involved in GRIFFIN G.C. Ball, T. Ballast, C. Bartlett, P. Bender, N. Bernier, D. Bishop, D. Brennan, T. Bruhn, A. Cheeseman, R. Churchman, S. Ciccone, B. Davids, I. Dillmann, A.B. Garnsworthy, S. Georges, G. Hackman, R. Kokke, R. Kruecken, Y. Linn, C. Lim, D. Miller, W.J. Mills, L.N. Morrison, C.A. Ohlmann, J. Park, C.J. Pearson, M.M. Rajabali, B. Shaw, C. Unsworth, Z.M. Wang, S. Wong, TRIUMF R.A. Dunlop, P.E. Garrett, E.T. Rand, C.E. Svensson, University of Guelph J-P. Martin, Universite de Montreal C. Andreoiu, J.L. Pore, U. Rizwan, K. Starosta, P. Voss, J. Williams, SFU