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P2IO PROJECTS in NUCLEAR PHYSICS

P2IO PROJECTS in NUCLEAR PHYSICS. M. Assié, IPN Orsay. Context for nuclear physics. GANIL -Spiral 2 : A national and EU priority. Phase1 (2015) Increase the intensity of stable beams by a factor 10 to 100 – High intense neutron source 10pμA (6.10 13 pps) A<50. from M.Lewitowicz.

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P2IO PROJECTS in NUCLEAR PHYSICS

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  1. P2IO PROJECTS in NUCLEAR PHYSICS M. Assié, IPN Orsay Unité mixte de recherche CNRS-IN2P3 Université Paris-Sud 1191406 Orsay cedex Tél. : +33 1 69 15 73 40 Fax : +33 1 69 15 64 70 http://ipnweb.in2p3.fr

  2. Context for nuclear physics GANIL -Spiral 2 : A national and EU priority Phase1 (2015) Increase the intensity of stable beams by a factor 10 to 100 – High intense neutron source 10pμA (6.1013pps) A<50 from M.Lewitowicz DESIR Phase1+ (2018) (low energy facility) AGATA (2015-2018) Phase1++ (2019) (A/Q=6-7 Injector) 10pμA (6.1013pps) A>50 DESIR NFS S3 GANIL Linac driver 33 MeV p, 40 MeV d (5mA) A/q=3 - 14.5 A.MeV HI (1mA) Production up to 1014 FF/s CIME : 1-20 AMeV (9 AMeV pour FF) • Phase2 (>2020) • - Exotic nuclei with factor 10~1000 higher than present facility) • Expand the range of exotic nuclei to A>80 • Post-acceleration of high intensity RIB SPIRAL1 upgrade • Nuclear structure • Nuclear astrophysics • Equation of State • Multi-disciplinary research • and applications • Fundamental interactions SPIRAL1 Upgrade (2016) New light RIBs from beam/target fragmentation SPIRAL2 is on the list of the European Strategy Forum on Research Infrastructures (ESFRI)

  3. Context for nuclear physics Spiral2 : New instrumentation and spectrometers CEA Saclay NFS S3 EQUIPEX ANR CONVENTION –Funds granted DESIR Coll. Agreement – DECA Funds granted IPN Orsay ACTAR-TPC PARIS GASPARD IPN Orsay NEDA FAZIA EXOGAM 2 IPN Orsay from M.Lewitowicz

  4. Context for nuclear physics Nuclearfacilities in the world & direct reactions Nuclear physics facilities worldwide GANIL SPIRAL2 MSU FRIB GSI- FAIR (HIE)-ISOLDE RIKEN-RIPS-BigRIPS RNCP-Osaka INFN-LNL -LNS

  5. n transfer p transfer resonant scat. 2n transfer Elastic-Inelastic 1(2)-nucleon transfer break-up Cluster transfer /break-up Physics cases for direct reactions Direct reactions : A great tool to investigate Exotic Nuclei and astrophysics processes • 13 LoI for Spiral2+ LoI @ISOLDE • SHELL EVOLUTION • How Magic is 78Ni ?W.Catford et al • Spectroscopic studies around 78Ni and beyond N=50 via transfer and coulex G. De France et al • Neutron shell evolution in weakly bound 134,135Sn via (d,p) V. Lapoux, O.Sorlin • PAIRING • Probing the pairing interaction through two-neutron transfer reactions D.Beaumel et al • Study of pair transfer in 134Sn via 132Sn(t,p) O.Sorlin, K.Wimmer • 2p capture on 15O and proton correlation in 2p emission from excited states of 17Ne M.Assié • CLUSTERS • Exploration of cluster breakup in light nucleiJ.A.Scarpaci, M.Assié • + NEAR BARRIER REACTIONS, PDR, ASTROPHYSICS d transfer /break-up Channel coupling near barrier np pairing r-process rp process Terra incognita Pairing changes Shell Evolution Skin, Pygmys Haloes, Clusters Good energy regime : few MeV/u  few tenths of MeV/u Methodology : Radioactive Ion Beam + hadronic probe (H,He…) Detect the recoil particle with high accuracy Silicon technology

  6. Cooling Connectors Preamplifiers Detectors Landscape of Si detectors @ P2IO Labs 1997 2017 2007 MUST2 coll.: IPN,CEA-Saclay, GANIL detectors: IPN electronics:GANIL+Saclay+IPN DAQ : GANIL mother boards : IPN 10cm x 10cm MICRON 64X + 64Y ASIC MUST coll.: IPN,CEA-Saclay, DAM detectors: IPN electronics: IPN 6cm x 6cm CAMBERRA 60 X + 60 Y strips PAC GASPARD coll.: IPN, INFN, BARC Irfu,STFC,Surrey,GANIL 4π square + trapezoid transparency to γ Publications : 3 PRL, 2 PRC, 1 PLB 1 PRL submitted, 1 PRL in preparation 3 experiments under analysis this year 2 campaigns @ GANIL, 1 @ RIKEN

  7. Landscape of Si detectors @ P2IO Labs 1997 2017 2007 MUST2 coll.: IPN,CEA-Saclay, GANIL MUST coll.: IPN,CEA-Saclay, DAM GASPARD coll.: IPN, INFN, BARC Irfu,STFC,Surrey,GANIL • GASPARD is a new type of Si-array, ~4p solid angle and fully • integrable in new generation gamma arrays (AGATA, PARIS..) • Large gain in E resolution (fact 10~100) • information from g spectroscopy • gain in solid angle Other features: • State of the art techniques for PID • Pulse Shape Discrimination • Special targets (pure H,D) Chymene • Portable device Chymene (ANR, Irfu)

  8. GAmmaSPectroscopy and PArticleDetection Beam 4π Si array fully integrable in PARIS/AGATA/EXOGAM2 Collaboration: IPNO, INFN-Legnaro, UHU (Spain)., CEA Saclay, Surrey U., BARC (India) “GASPARD-TRACE” design Layers of Silicon • 300(500) mm DSSD pitch < 1mm • 1(or 2) x [1.5 mm DSSD pitch~1mm] • 2 main shapes : square & trapezoid, • large area Option: Annular detectors AGATA Design : Ph. Rosier (IPN) Electronics : GASPARD ~ 10000 channels (Digital) high transparency to g-rays  Big integration challenge

  9. HiGHSPId project Spokespersons : Y. Blumenfeld, B. Genolini (IPN) Collaboration: IPNO, LAL, IRFU • Grant : 67 k€ • Electronics developments • ASIC preamp I/Q (iPACI) • Digitizeur (Wavecatcher)

  10. HiGHSPId project Spokespersons : Y. Blumenfeld, B. Genolini (IPN) Collaboration: IPNO, LAL, IRFU • Grant : 67 k€ • Electronics developments • ASIC preamp I/Q (iPACI) • Digitizeur (Wavecatcher) ASIC preamps iPACI (J-J. Dormard, E. Rauly, IPNO) Front-End Electronics iPACI from IPNO (J-J. Dormard) gives current & charge signals 1st version =9 channels (received Jul. 2014)

  11. HiGHSPId project Spokespersons : Y. Blumenfeld, B. Genolini (IPN) Collaboration: IPNO, LAL, IRFU • Grant : 67 k€ • Electronics developments • ASIC preamp I/Q (iPACI) • Digitizeur (Wavecatcher) Experimental set-up for test experiments at the IPNO tandem 40um epitaxial 500um nTD 4n 4p PAD 500um 8 PACIs 32mV/MeV I Q Peak finder Wavecatcher (48 ch) 1GHz (1028points) Wavecatcher DAQ 100/s

  12. HiGHSPId project Spokespersons : Y. Blumenfeld, B. Genolini (IPN) Collaboration: IPNO, LAL, IRFU M.Assié et al., submitted to EPJA • Grant : 67 k€ • Electronics developments • ASIC preamp I/Q (iPACI) • Digitizeur (Wavecatcher) • R& D on pulse shape identification • Light particle discrimination : • Z=1 : good FoM down to 2.5 MeV • Z=2 : (preliminary) seems ok • Best observables: • Raw data : maximum of the currentsignal (Imax) • Filtered data : Haarfilter+ Time over Threshold • Bias of the detector : • Option 1 : atdepletion + Imax • Option 2 : over-depleted + Haar-ToT • Sampling rate of ADC: > 200 MHz

  13. HiGHSPId project Spokespersons : Y. Blumenfeld, B. Genolini (IPN) Collaboration: IPNO, LAL, IRFU • Grant : 67 k€ • Electronics developments • ASIC preamp I/Q (iPACI) • Digitizeur (Wavecatcher) • R& D on pulse shape identification • Prototypes of Silicon detectors • Silicon detectors plan (short term): • . 1st layer (trapez.): 2 prototypes ordered (Micron) in 2013 (IPNO) • . 1st layer(square) : 2 prototypes ordered (Micron) in 2014 (INFN) • . 2nd layer (thick square) & 2nd layer (thick trapez): BARC-IPNO Final design (approved) Specifications - large area , 6’’ wafers, nTD, 500um thick - 128X+128Y (pitch~700 um) - <100> random cut (8deg) - Thin frame / Kapton readout at 90deg /High density connectors To be commissioned beg of 2015 Test bench in preparation Test of uniformity In resistivity (project P2IO Captinnov) Leakage current /strip, capacitance/strip, interstrip resistance

  14. Short and mid-term perspectives MUGAST & demonstrator phase • Further PSD test experiment (May 2015) • Test of analog peak finder • Test of the iPACI preamplificator • Test of the prototype detector • @ ALTO/tandem (beg. of 2015) CHYMENE PARIS • Towards a GASPARD « demonstrator » • « MUGAST » configuration • MUST2+GASPARD +TRACE • For AGATA campaign at GANIL (end 2016) • MUST2 telescopes + GASPARD & TRACE DSSDs • read by MUST2 electronics AGATA

  15. Gantt chart of GASPARD > GASPARD 2014 | 2015 | 2016 | 2017 | 2018 |2019 TDR LAL, IPN, IRFU electronics specifications > Pulse shapeanalysis > Detectors Ordered : 2 thin trapezoidal detectors + 1 thin square detector from Micron Alpha source test of prototypes In-beam test of prototypes Test of detectors for the final array IPN > Electronics FEE First version of iPACI (Asic preamp) FPGA, numerical ADC Integration of iPACI to FEE IPN ASIC preamp iPACI BEE > Mechanics Mechanical design for in-beam tests Detailled design of mechanics Mechanical design for full array > Physicsexperiment MUGAST MUGAST Call for letters of intent 1st experiment First experimentwith GASPARD

  16. Gantt chart of GASPARD 2014 | 2015 | 2016 | 2017 | 2018 |2019 > GASPARD TDR electronics specifications > Pulse shapeanalysis > Detectors Alpha source test of prototypes In-beam test of prototypes Test of detectors for the final array > Electronics FEE FPGA, numerical ADC Integration of iPACI to FEE ASIC preamp iPACI BEE > Mechanics Mechanical design for in-beam tests Mechanical design for full array > Physicsexperiment MUGAST MUGAST 1st experiment First experimentwith GASPARD

  17. Budget Contributions : - BARC Mumbai (India) - INFN (Italy) to be defined - University of Huelva (Spain) to be defined - in2p3 / P2IO contribution?

  18. Nuclearfacilities in the world & direct reactions GANIL SPIRAL2 MSU FRIB ISOLDE RIKEN-RIPS-BigRIPS RNCP-Osaka Option: Annular detectors AGATA GASPARD

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