EURISOL: European Collaboration towards

the ultimate ISOL facility

Yorick BlumenfeldIPN – Orsay

We acknowledge the financial support of the European Community under the FP6 “Research Infrastructure Action - Structuring the European Research Area” EURISOL DS Project Contract no. 515768 RIDS . The EC is not liable for any use that can be made of the information contained herein.

RIB Science : A Myriad of Opportunities

RIB Facilities : A Worldwide Effort

NuPECC and the OECD GSF recommend 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 EUROPEAN PLAN

Construction of FAIR will start soon. The EURISOL concept was found to be too challenging for immediate implementation; so a road map based on pan-European expertise and emerging projects was devised.

The EURISOL Road Map

• Vigorous scientific exploitation of current ISOL facilities : EXCYT, Louvain, REX/ISOLDE, SPIRAL

• Construction of intermediate generation facilities: SPIRAL2, HIE-ISOLDE, MAFF, SPES

• Design and prototyping of the most specific and challenging parts of EURISOL in the framework of EURISOL_DS.

The EURISOL Concept(based on 5th framework RTD)

The Main Challenges

• Design a 5MW; 1GeV proton driver with additional capability of 200 AMeV deuterons and A/Q=2 Heavy Ions; build and test prototypes of the cavities.

• Design a liquid Hg converter which will accept 5 MW of beam power.

• Design a UCx target which will make the most efficient use of the neutrons produced.

• Evaluate the safety constraints of the above set up.• Design an efficient multi-user beam distribution system.• Design a superconducting HI LINAC capable of accelerating 132Sn

up to 150 AMeV• Investigate technologies for the instrumentation of the future• Provide a conceptual study for a beta-beam neutrino facility.

The EURISOL_DS in the 6th framework

• A bottom-up process based on a call to laboratories

• No leading country• Detailed engineering oriented studies and

technical prototyping work• 21 participants from 14 countries• 21 contributors from Europe, Asia and North

America• Total Cost : 33 M€• Contribution from EU : 9.16 M€

Driver accelerator1 GeV 5 MW proton beam3He at 2 GeV,

deuterons at 250 MeV,

heavy ions of A/Q=2 at 125AMeV

Legnaro – Orsay - GANIL

Hg-loop: Reasonable charged particle confinement and power densities.

• High neutron fluxes in the fission target, confined within the assembly.

•Proven design (SNS and ESS), technically simpler concept.

Protons

Reflector

Reflector

Hg Jet

UCx/BeO Target

UCx/BeO Target

40 cm

4 cm

Hg-jet: Very large high-energy proton escapes: Radioprotection issues, charged-particle contamination in the fission target .

• Higher and harder neutron spectrum: enhanced fission densities (4 times larger).

• Technical difficulties to implement.

Hg Target

Reflector

Reflector

Target container

UCx/BeO Target

Protons

68 cm

16 cm

High power target

CERN – Legnaro – PSI – IPUL (Latvia)

Beta-Beamsa collaboration between Nuclear and

Particle communities

From: Mats Lindroos, CERN

6He, 18Ne

Technical Challenges abound, but

the largest has yet to be tackled: the location?

Administration / Stay at GANIL

                                                                           

                       

                 

The Design Study will investigate the implementation and cost of EURISOL in these 3 hypotheses

CONCLUSIONS• A 4 year Design Study for a next generation European ISOL facility

is being carried out by 21 laboratories in 14 countries, supported by a large community of scientists.

• It makes use of the areas of expertise of these laboratories, developed in particular from the exploitation of current facilities and the building of “intermediate generation facilities”.

• It involves the neutrino community through the beta-beam feasibility study.

• Strongly supportive of the “International ISOL Collaborative working group” proposed by Mats Lindroos and Alan Shotter.

• Investigation of potential sites will be undertaken shortly• The next step should be a preparatory construction phase.• Construction could begin around 2013. • You are cordially invited to attend the EURISOL Town Meeting at

CERN, Nov 27-28; www.eurisol.org