research at isolde and the path to eurisol
DESCRIPTION
Research at ISOLDE and the path to EURISOL . Physics snapshot. 12 C triple state. The N~ 20 story. The N~ 20 story: 31 Mg. G Neyens, M. Kowalska, et al. The N~ 20 story: 31 Mg. G Neyens, M. Kowalska, et al. REX-ISOLDE. Rex photo. REX-ISOLDE CERN. The N~ 20 story. - PowerPoint PPT PresentationTRANSCRIPT
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
Research at ISOLDE and the path to EURISOL
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
Physics snapshot
12C triple state
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
The N~ 20 story
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
The N~ 20 story: 31Mg
G Neyens, M. Kowalska, et al.
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
The N~ 20 story: 31Mg
G Neyens, M. Kowalska, et al.
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
REX-ISOLDE
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
Rex photo
REX-ISOLDECERN
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
The N~ 20 story
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
The N~ 20 story: 30Mg
O. Niedermaier, H. Scheit et al.
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
The N~ 20 story: 32Mg
O. Niedermaier, H. Scheit et al.
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
Beam purity
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
The N~ 20 story: B(E2)s
Direct lifetime (Mach 04)
MINIBALL Coulex
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
HIE-ISOLDE
Increase proton beam intensity 2 6 A (LINAC 4)
Isobaric mass separation: RFQ cooler & new HRS
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
100kW direct production5 MW spallation n target 100 MeV/u RIB
For 90Kr : x 105 increase in yield for ISOL products from existing RIB (e.g. REX-
ISOLDE)
X 100 increase from 2nd generation ISOL
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
Kr yields
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
Bender et al. Nucl Phys A723 354Egido & Robledo PRL 85 1198
92Kr + 164Dy 256No* Ex = 24 MeV High spin states in SHE
now measured
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
Eurisol layout
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
• Detailed engineering oriented studies and technical prototyping work
• 20 participants from 14 countries• 21 contributors from Europe, Asia and
North America• Total Cost : 33 M€• Contribution from EU : 9 M€R&D will benefit 2nd generation ISOL projects
Approved Design StudyFeb 2005 - Feb 2009
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
Eurisol schematic
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
• European Joint Laboratory - INFN-Legnaro and GANIL,funded mostly by host state(s)
• CERN, funded by subscription• Green-field site in less-favoured region
near nuclear physics institute,funded by European Structured Funds
Review of funding mechanism during DS
EURISOL: possible sites
CERN option for driver: Superconducting Proton Linac
Hall 1 Hall 2
Hall 3
H- RFQ RFQ1 chop. RFQ2RFQ1 chop. RFQ2? 0.52 ? 0.7 ? 0.8 dup
Source Low Energy section DTL Superconducting section
45 keV 3 MeV 120 MeV 2.2 GeV
40MeV 237MeV
6 64 584
PS / Isolde
Stretching ndcollition line
Accuultor Ring
Debunching
383MeV
668
DTL CCDTLchopping
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
European NP Roadmap
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
FINE
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
World machinesLocation Driver Post-accelerator Fragment
separatorType of
facility
GSI –FAIR synchrotron, heavy ions: 1.5 A GeV
- ‘Super-FRS’ In-Flight
EURISOL protons, 1 GeV,1-5 MW
CW Linac, up to 100 A MeV - ISOL
USA: RIARare IsotopeAccelerator
900 MeV protonsheavy ions:
400 A MeV, 100 kW
Linac up to 8–15 A MeV
4-dipoleSeparator ISOL, In-Flight
JAPAN: RIKEN RIB Factory
Ring-cyclotronsup to 400 A MeV (lightions); up to 150 A MeV
(heavy ions)
-
3 fragmentSeparators
storage & coolerrings
In-Flight
Possible sites for EURISOL
GANIL
CERNLegnaro
Liverpool
Valencia
CataniaLess-favoured
regions
Peter Butler (CERN & Liverpool)
Structure and Reactions of Exotic Nuclei, Pisa 24-26 Feb 2005
RIA Layout
driver acceleratoror
reactor
thin target high-temperature thick target
fragment separator
experiment
ion source
mass separator
storage ring
In Flight ISOLheavy ions light ions,
neutrons
post accelerator
GeV/u (s) meV to 100 MeV/u
(ms to several s)
gas cell (ms)
IF versus ISOL
stochastic/electroncooling to MeV/u (s)
Energetic Radioactive Beam Facilities in Europe
CRC, Louvain-la-Neuve, Belgiumdelivering ISOL beams since 1989
REX-ISOLDE, CERNdelivering ISOL beams since 2001
GSI, Darmstadt, Germanydelivering IF beams since 1990
MAFF, Munich, GermanyISOL beams
SPES, Legnaro, ItalyISOL beams
EXCYT, Catania, ItalyISOL beams
GANIL, Caen, Francedelivering IF beams since 1984(SPIRAL) ISOL beams since 2001 Dubna ISOL beamsSPIRAL IIISOL beams
HIE-ISOLDEISOL beams
FAIRIF beams