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EURISOL (and the European ISOL roadmap)

EURISOL (and the European ISOL roadmap). Yorick Blumenfeld* (CERN) *on leave from IPN Orsay. OUTLINE. The Framework General Physics Case The “Intermediate Generation” Facilities Results of the EURISOL Design Study Future Initiatives. The Framework.

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EURISOL (and the European ISOL roadmap)

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  1. EURISOL (and the European ISOL roadmap) Yorick Blumenfeld* (CERN) *on leave from IPN Orsay

  2. OUTLINE • The Framework • General Physics Case • The “Intermediate Generation” Facilities • Results of the EURISOL Design Study • Future Initiatives

  3. The Framework • Radioactive Ion (Rare Isotope) Beams have transformed the landscape of Nuclear Structure over the last quarter century. • Major discoveries have revealed unforeseen behaviors of the nucleus • Understanding of the nucleus requires a multifaceted approach • Low intensities are the major impediments to further progress • Fragmentation and ISOL facilities are complementary and should be developed in parallel

  4. The Nuclear Chart and Challenges

  5. Radioactive beam production: Two complementary methods IN FLIGHT SELECTION GANIL/SISSI, GSI, RIKEN, NSCL/MSU High energy, large variety of species, Poor optical qualities GANIL/SPIRAL, REX/ISOLDE, ISAAC/TRIUMF Low energy, chemistry is difficult, good beam qualities

  6. The Previous LRP NuPECC recommends the construction of 2 ‘next generation’ RIB infrastructures in Europe, i.e. one ISOL and one in-flight facility. The in-flight machine would arise from a major upgrade of the current GSI facility: FAIR, while EURISOL would constitute the new ISOL facility The Current European Situation • Construction of intermediate generation facilities: SPIRAL2, HIE-ISOLDE, SPES and of FAIR has begun or is about to begin. • Design and prototyping of the most specific and challenging parts of EURISOL has been carried out in the framework of EURISOL_DS. • EURISOL must go beyond FAIR and offer the best of both worlds : ISOL and Fragmentation

  7. ISOL Roadmap in EUROPE TODAY SPIRAL – LNS - EXCYT 2014-2025 FROM 2025

  8. LINAG Exp. Area (AEL) Existing GANIL Accelerators Direct beam line CIME-G1/G2 caves Existing GANIL Exp. Area Heavy-Ion ECR Low energy RNB DESIR CIME Cyclotron Acceleration of RI Beams E < 25 AMeV, 1 - 8 AMeV for FF • Production Caves:: RNB • C converter+UCx target • 1014 fissions/s • p- & n-rich RNB (transfer, fusion-evaporation, DIC) p,d source RFQ • Superconducting LINAC: Stable-Ion beams • E ≤ 14.5 AMeV HI A/q=3, 1mA • E ≤ 20 A MeV p,d, 4He (A/q=2 ions), 5mA • Possible extension to A/q=6 ions

  9. Aims of the HIE-ISOLDE upgrade • Intensity : Linac 4 @CERN • Energy from 3 to 10A MeV • Coulex for all RIB • Transfer reactions • Efficiency low energy + accelerated • Selectivity • Beam “quality” • Reduced phase space • Bunching • Polarization ..... EURORIB’08, Giens, June 9-13

  10. SC linac Max energy for different A/q : M. Pasini EURORIB’08, Giens, June 9-13

  11. The SPES Project @ LNL: a multi-user project High intensity proton linac: TRIPS source - TRASCO RFQ 30 mA, 5MeV Neutron facility for Medical, Astrophysics and Material science. Neutron source up to 1014 n s-1 Thermal neutrons: 109 n s-1 cm-2 ISOL Beam Facility for nuclear Physics Approved for construction Applied Physics with proton beam 70 MeV 550 mA (possible upgrade up to 1mA) Production Target: UCx1013 fission s-1 Primary Beam: 200 mA,40 MeV protons from a 2 exit ports Cyclotron (750 mA,70 MeV ) Re-accelerator: ALPISuperconductive Linac up to 11 AMeV for A=130

  12. EURISOL DS: 20 Participants 4 1/2 years; 30 M Euros

  13. What is EURISOL?

  14. 1 GeV/q H-, H+, 3He++ n-generator UCx target H- HWRs 176MHz Elliptical ISCL 704 MHz 3-spoke ISCL 325 MHz Elliptical ISCL 704 MHz RFQ 176 MHz 4-MW target station b = 0.03 b = 0.047 b = 0.65 b = 0.78 b = 0.09, b = 0.15 100 keV 1+ ion source 1.5 MeV/u 60 MeV/q 140 MeV/q H+, D+, 3He++ >200 MeV/q D+, A/q=2 Ion sources A possible schematic layout for a EURISOL facility One of several 100-kW direct target stations Low-resolution mass-selector Secondary fragmentation target Spoke ISCL 264 MHz 8 HWRs ISCL 176 MHz 3 QWRs ISCL 88 MHz QWR ISCL 88 MHz Charge selector Bunching RFQ RFQs High-resolution mass-selector Charge breeder b = 0.385 b = 0.27 b = 0.14 b = 0.065 20-150 MeV/u (for 132Sn) 9.3- 62.5 MeV/u 2.1-19.9 MeV/u To high-energy experimental areas To low-energy areas To medium-energy experimental areas

  15. EURISOL Target Building

  16. EURISOL MMW Targets

  17. Spoke cavity development @ IPN Orsay • 2 prototypes at =0.15 and =0.35 fabricated and successfully tested at 4.2 K. • This technology is the basis for the 3-Spoke required by the Driver linac Spoke cavity tuner EURISOL Task 8: Sébastien Bousson – IPN Orsay

  18. Secondary Fragmentation of a 132Sn beam Cross Sections measured at GSI

  19. Secondary Fragmentation of 132Sn at 150A MeV

  20. LNL Legnaro CERN RUTHEFORD GANIL

  21. Timescale for EURISOL • 2010-2012 : Transition period; contacts with funding agencies and political bodies • 2012 : Application to be included in ESFRI list (support from NuPECC & LRP necessary) • 2013 : Call for preparatory phase • 2014-2017 : EURISOL Preparatory Phase • 2017 : Choice of Location • 2017-2019 : Preparation of TDR • 2020-2025 : Construction • 2025 : First Beam

  22. The “Transition” Period (2010-2013) • The EURISOL project office • The EURISOL collaboration: (MOU between all laboratories interested in furthering EURISOL; in preparation) • The EURISOL User Group (Established with elected executive committee; will federate scientific community and update physics case; A. Bonaccorso, chair ) • The EURISOL Network in ENSAR (included in ENSAR application; will coordinate EURISOL focused R&D at current facilities and fund Town Meetings; 150 KE; leader Y. Blumenfeld) • The EURISOL work package in TIARA : (included in TIARA application; Define and Prepare R&D platforms for EURISOL; up to 500 KE; leader S. Bousson – Orsay) • Requests to NuPNET for pan-European funded R&D through national funding agencies (approx 1ME each – at most 1 to be funded) • Liquid metal target tests • Beam splitter • ECRIS beam merger • EC support for global projects: Possibility of EC support up to 1 ME to expand EURISOL into a global (worldwide) project; suggestion from Brussels still to be investigated.

  23. Conclusions • Major RIB developments are proceeding worldwide (FRIB, TRIUMF, RIKEN, KoRIA…) and competition will be fierce. • The LRP must propose an ambitious roadmap to maintain and strengthen Europe’s leadership in the field • This plan should be based on FAIR and the “intermediate” ISOL facilities (SPIRAL2, HIE-ISOLDE, SPES) in the near term, and EURISOL in the longer term.

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