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AGATA Week Introduction. John Simpson Nuclear Physics Group. GSI, 21-15 February 2005. AGATA WEEK. ALL AGATA teams to meet ALL to be present throughout the week Travel, information exchange, overlap of tasks between groups Specifications to be agreed and finalised. Programme.
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AGATA Week Introduction John Simpson Nuclear Physics Group GSI, 21-15 February 2005
AGATA WEEK ALL AGATA teams to meet ALL to be present throughout the week Travel, information exchange, overlap of tasks between groups Specifications to be agreed and finalised
Programme Monday 21st February Introduction followed by Status reports EU JRA project Gretina Buffet dinner Tuesday 22nd February Detectors, performance, simulation and DA a.m Plenary session. Status report from teams and Gretina p.m. Team meetings Physics and event simulation of key experiments, data analysis, detectors preamplifiers, characterisation, GTS and ancillary interface and tracking
Programme Wednesday 23st February Data processing, ancillary detectors and infrastructure a.m Plenary session. Status report from teams p.m. Team meetings DAQ, run control and GUI, Digitisation, pre-processing, GTS, PSA, Mechanics, R&D on other detectors, Key experiments and ancillary detectors Thursday 24th February a.m AMB/ASC Gretina discussion a.m. Data bases p.m. ASC p.m. Grounding and slow control Friday 25th February a.m AMB Rooms available on Thursday and Friday
AGATA TEAMS and TEAM LEADERS Detector Module Working Group. Chairperson Juergen Eberth. Detector module and cryostat leader D. Weisshaar Preamplifier leader A. Pullia Detector performance. Chairperson Reiner Krucken. Pulse shape analysis team leader R.Gernhaeuser/P.Desesquelles Detector characterisation team leader A. Boston Data Processing Chairperson D.Bazzacco Digitisation leader P.Medina Pre-processing algorithms leader W. Gast Pre-processing hardware leader I.Lazarus Global clock and trigger leader M.Bellato Data acquisition leader X.Grave Run control and GUI leader G.Maron Ancillary detectors and ancillary detector integration. Chairperson A.Gadea. Ancillary detector impact on AGATA performances Electronics and data acquisition integration leader Ch.Theisen Mechanical integration of ancillary detectors and devices in AGATA Ancillary devices for the key experiments leader N.Redon Other team leaders are to be identified. Design and Infrastructure. Chairperson G.Duchêne. (leaders to be agreed) Mechanical design leader(K.Fayz/J.Simpson) Infrastructure leader (P.Jones) R&D on other Ge detectors. leader (D.Curien) Data Analysis Working Group. Chairperson Johan Nyberg. Physics and event simulation of key experiments leader E. Farnea Detector data base parameters leader K.Hauschild Gamma-ray tracking leader W.Lopez-Martens Data processing (online/offline analysis, etc.) leader O.Stezowski
The AGATA CollaborationMemorandum of Understanding 2003 Research and Development Bulgaria: Univ. Sofia Denmark: NBI Copenhagen Finland: Univ. Jyvaskyla France: GANIL Caen, IPN Lyon, CSNSM Orsay, IPN Orsay, CEA-DSM-DAPNIA Saclay, IreS Strasbourg Germany: HMI Berlin, Univ. Bonn, GSI Darmstadt, TU Darmstadt, FZ Jülich, Univ. zu Köln, LMU München, TU München Italy: INFN and Univ. Firenze, INFN and Univ. Genova, INFN Legnaro, INFN and Univ. Napoli, INFN and Univ. Padova, INFN and Univ. Milano, INFN Perugia and Univ. Camerino Poland: NINP and IFJ Krakow, SINS Swierk, HIL & IEP Warsaw Romania: NIPNE & PU Bucharest Sweden: Chalmers Univ. of Technology Göteborg, Lund Univ., Royal Institute of Technology Stockholm, Uppsala Univ. UK: Univ. Brighton, CLRC Daresbury, Univ. Keele, Univ. Liverpool, Univ. Manchester, Univ. Paisley, Univ. Surrey, Univ. York Turkey Hungary
The AGATA • RESEARCH and DEVELOPMENT PHASE • Develop 36 fold segmented encapsulated detector of right shape • Develop cryostat for groups “clusters” of these detectors • Develop digital electronics (700 channels) • Finalise signal algorithms for energy, position and time • Develop tracking algorithms • Build demonstration unit to prove tracking in real situations • Write technical proposal for full array
The First Step:The AGATA DemonstratorObjective of the final R&D phase 2003-2008 1 symmetric triple-cluster 5 asymmetric triple-clusters 36-fold segmented crystals 540 segments 555 digital-channels Eff. 3 – 8 % @ Mg = 1 Eff. 2 – 4 % @ Mg = 30 Full ACQwith on line PSA and g-ray tracking Test Sites: GANIL, GSI, Jyväskylä, Köln, LNL Cost ~ 7 M €
Funding Capital for the demonstrator Estimated cost Demonstrator (3 sym + 9 asymm) k€ ex tax Detectors 2928 Electronics 1039 DAQ 351 D&I 35 Ancillaries 25 Data analysis 20 Misc. 60 Total 4458 k€ ex tax France 1108 Germany 531 Italy 1250 UK 725 Total 3614 Munich 550 Total 4164 Sweden ~725 Turkey
Funding Cost greater than current available funds! Accurate estimates now required for all parts of project
Timescale / Project Plan Five year research and development phase of AGATA Start January 2003 End December 2007 Aim to have sufficiently large enough array to test tracking and performance with sources and in beam Timescales are driven by detector and DAQ deliveries. Global timescale estimates: First three symmetric capsules delivered Test individual as 3-unit module by summer 2005 8 asymmetric capsules have been ordered (almost) Deliveries from Nov 2005 to February 2007 Tests of all individual components of DAQ chain by March 2006 Test of complete chain with detector March to June 2006 Production from autumn 2006, delivery early 2007 Source and in beam tests GUI, algorithms PSA, tracking, infrastructure, mechanical design…
2004 2005 2006 2007
Timescale / Project Plan • Specifications • http://npg.dl.ac.uk/documentation/AGATA/specifications/ • GSI AGATA site • Technical description • Costs • Timescale • Need a complete project plan
The 4 180 detector Configuration Ge crystals size: length 90 mm diameter 80 mm 180 hexagonal crystals 3 shapes 60 triple-clusters all equal Inner radius (Ge) 23.1 cm Amount of germanium 362 kg Solid angle coverage 82 % Singles rate ~50 kHz 6480 segments Efficiency: 43% (Mg=1) 28% (Mg=30) Peak/Total: 58% (Mg=1) 49% (Mg=30) http://agata.pd.infn.it/documents/simulations/comparison.html
AGATA Detectors Hexaconical Ge crystals 90 mm long 80 mm max diameter 36 segments Al encapsulation 0.6 mm spacing 0.8 mm thickness 37 vacuum feedthroughs 3 encapsulated crystals 111 preamplifiers with cold FET ~230 vacuum feedthroughs LN2 dewar, 3 litre, cooling power ~8 watts
AGATA Prototypes • Symmetric detectors • 3 ordered, Italy, Germany • 3 delivered • Acceptance tests in Koln • 3 work very well First results very good: 36 outer contacts 0.9-1.1 keV at 60keV and 1.9-2.1 keV at 1.3 MeV Core 1.2 keV at 60 keV and 2.1 keV at 1.3 MeV Cross talk less than 10-3
AGATA Prototypes Full scan of first in Liverpool Assembly of triple cryostat (CTT) Cluster ready by Summer 2005 Asymmetric detectors for the 180 geometry • 8 ordered in 2004 (early 2005) • 4 to be ordered in 2005 • delivery starts end 2005 First triple cryostat in Cologne
AGATA Design and Construction GRETINA
Segment level processing: energy, time Detector level processing: trigger, time, PSA Global level processing: event building, tracking, software trigger, data storage
Status and Evolution • Demonstrator ready in 2007 • Next phases discussed in 2005-2006 • New MoU and bids for funds in 2007 • Start construction in 2008 • Rate of construction depends on production capability • Stages of physics exploitation, facility development
5 Clusters 1p 3p 55 Clusters 4p Array The Phases of AGATA-180
5 ClustersDemonstrator 1 The Phases of AGATA 2007 Peak efficiency 3 – 8 % @ Mg = 1 2 – 4 % @ Mg = 30 Replace/Complement GSI FRS RISING LNL PRISMA CLARA GANIL VAMOS EXOGAM JYFL RITU JUROGAM Main issue is Doppler correction capability coupling to beam and recoil tracking devices Improve resolution at higher recoil velocity Extend spectroscopy to more exotic nuclei
15 Clusters 1p b = 0 b = 0.5 2 The Phases of AGATA The first “real” tracking array Used at FAIR-HISPEC, SPIRAL2, SPES, HI-SIB Coupled to spectrometer, beam tracker, LCP arrays … Spectroscopy at the N=Z (100Sn), n-drip line nuclei, …
45 Clusters3p 3 The Phases of AGATA Ideal instrument for FAIR / EURISOL Also used as partial arrays in different labs Higher performance by coupling with ancillaries
60 Clusters4p 4 The Phases of AGATA Full ball, ideal to study extreme deformationsand the most exotic nuclear species Most of the time used as partial arrays Maximum performance by coupling to ancillaries
AGATA Week IReS Srasbourg 14th – 18th November 2005