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EURISOL DS : Status and Future
Yorick Blumenfeld
CERN-ISOLDE*
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.
* On leave from IPN Orsay
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EURISOL DS
• LatestTechnical Achievements
• Managerial achievements
• Proposals for the Future
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= 0.3 = 0.78
Ionsources
RFQ176 MHz
HWRs176MHz
Elliptical ISCL704 MHz
1 GeV/qH-, H+,
3He++
1.5 MeV/u
100 keV
60 MeV/q 140 MeV/q
>200 MeV/qD+, A/q=2
Chargebreeder
Low-resolutionmass-selector
UCx
target
1+ ionsource
n-generator
= 0.065= 0.14= 0.27= 0.385
QWRISCL
88 MHz
3 QWRs ISCL
88 MHz
8 HWRsISCL
176 MHz
SpokeISCL
264 MHz
20-150 MeV/u (for 132Sn)
To low-energy areas
Secondaryfragmentation
target
A possible schematic layout
for a EURISOL facility
4-MWtargetstation= 0.47
3-spoke ISCL 325 MHz
High-resolutionmass-selector
Bunching RFQ
To medium-energy experimental areas
= 0.65
Elliptical ISCL704 MHz
= 0.09, = 0.15
H-
H+, D+,3He++
9.3- 62.5 MeV/u 2.1-19.9 MeV/u
To high-energyexperimental areas
RFQs
Chargeselector
One of several100-kW directtarget
stations
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Spoke cavities 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
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Liquid Hg converters
Coaxial Guided StreamWindowless Transverse Mercury Film
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Off-line test in Hg loop at IPUL
Mats Lindroos
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Liquid mercury converter
Mats Lindroos
The CGS designThe WTMF
design
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New Target Concept
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17th September 2007
100kW Targets
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T. Stora
CaO344 online Apr 2007Experimental data
1.0E+01
1.0E+02
1.0E+03
1.0E+04
1.0E+05
1.0E+06
0.01 0.1 1 10tdelay+1/2tcollec (s)
β c
ou
nt
pe
r tc
oll
ec
(s
-1)
FO
OF
OO
FF
O: OpenF: Closed
35Ar
E. Bouquerel, L. Penescu, E. Barbero, D. Carminati, R. Catherall, B. Crepieux, J. Lettry, S. Marzari, E. Noah, T. Stora, R. Wilfinger
Closed valveleak rate : 0.3%
Ratio 34Ar : 95% (OO)/(OF+FO) 35Ar : 83%
Symmetry : 34Ar : 94%(FO)/(OF) 35Ar : 92%
Ion source efficiency :(FO or OF) Ar : 5.1%(OO) Ar : 4.9%
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17th September 2007
ISOL targets and ion sources
44 Targets 44 Ion-sources 11 Front-end
Target materials (30):
• Refractory oxides and carbides (Al2O3, SiC)
• Solid metals (Ta, Nb, Mo)
• Molten metals (Pb, La, Sn).
ISOLDE UCxpressed pellets
HfO2 felts
m
m
nm/sub-m SiC
m
High density UCx
L. Tecchio fo
r Task 4
Ion sources (>5):
• Surface
• FEBIAD, ECR
• RILIS
Ta foils
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17th September 2007
100kW oxide target design
• Prototype test preparation at TRIUMF
• Proton E=0.5 GeV, Pmax= 50 kWwobbling envisaged
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Liquid metal loop
Mats Lindroos
Diffusion chamber
Irradiation cell
Heat exchangerEM pump
To be tested at IPUL
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MUST2 + TIARA
Testing Instrumentation Concepts for EURISOL
Task 10 : Physics and InstrumentationRobert Page
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• EURISOL has a stable Design, validated by worldwide experts
• During the final year, the work is concentrated on prototype building and testing
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Management Achievements• EURISOL User Group: Angela Bonaccorso, chair. First
workshop Jan. 2008; Charter established; election of executive committee: 27candidates for 8 seats, 354 voters.
• Site Investigation Panel : A. Shotter, G. Cuttone, D. Geesaman, A. Mueller, S. Myers. 3 meetings. Will report to steering committee in November
• Third annual report accepted for scientific part. Comments on financial part received last week.
• Review panels organized for MMW converter and post accelerator.
• Production of brochure for General Public• Next Town Meeting March 30-April 1 2009 in Pisa.• Defining strategy for the future of EURISOL
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Proposal for the Future of EURISOL
• EURISOL has made use of EC instruments: 5th framework RTD and 6th framework DS.
• Major advances have been achieved and a large community with varied technical expertise has developed and must continue to be nurtured
• Full engineering report necessary before Pre-construction phase: No (evident) EC instrument for funding.
• We (the EURISOL DS MB) propose to form a EURISOL collaboration consisting of laboratories interested in participating in the continuing effort.
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Role of the EURISOL Collaboration
• Follow the scientific and policy recommendations of NuPECC
• Promote and Coordinate the R&D to further EURISOL, including work at intermediate generation facilities
• Solicit support of the funding agencies, in particular through the NuPNET Eranet, and explore other funding opportunities (EC, intercontinental…)
• Interact with the EC >> entry on the ESFRI list.• Goal : Produce an engineering report for the facility• Support the EURISOL User Group; organize Town
Meetings• Has been endorsed by NuPECC, thank you!
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Multi-Community Design Study on High Power Targets : Neutrinos, Neutrons and Ions
• Establish limits for Liquid metal and solid target technology• Study common infrastructure and collect data for licensing
work• Computer studies of cavitation and bubble development,
determination of shock fronts and studies of the beam/pressure pulse
• Off-line studies at liquid metal target laboratories such as IPUL in Latvia, SNS in Oak Ridge and J-Parc in Tokai
• Beam tests to study cavitation and mitigation at high instantaneous beam intensity facilities such as ISOLDE and AGS
• In-beam tests at a high power facility of new concepts
Under Discussion
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Organization of the EURISOL Collaboration
• Collaboration board representing participants >> Elects collaboration chairperson and appoints project leader.
• Project office supported by a modest collaboration fee (~5000 E/year/lab).
• Engineering work coordinated by project leader and funded by funding agencies (+ other), preferably coordinated by NuPNET.
• Work divided into work packages
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EURISOL Work Packages (3-5 years)
• Management (Project Office)• RIB production: Specific prototyping and tests
– Neutron converter in beam– Fission target in n flux– New target materials; liquid metal direct target– Novel beam splitter system…
• Prototyping at “intermediate” facilities; linked to EUR-ISOL Net in ENSAR
• Documentation and licensing• Infrastructure• Updating the science case : coordinated by EURISOL
User group
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Requests
• Very approximate price tag: 2M€/year for 4 years.
• We would like the support of NuPECC to implement this plan (and welcome your suggestions).
• Collaboration launched by the EURISOL Steering Committee in Nov. 2008
• Startup should be in fall 2009