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The first steps to EURISOL. Peter Butler University of Liverpool on behalf of the EURISOL Design Study. Eurisol. 1 GeV p and other light ions 100kW direct production 5 MW spallation n target 0  150 MeV/u RIB

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The first steps to eurisol
The first steps to EURISOL

Peter Butler

University of Liverpool

on behalf of the EURISOL Design Study

Zakopane 2006


Eurisol
Eurisol

1 GeV p and other light ions

100kW direct production

5 MW spallation n target

0  150 MeV/u RIB

x 105 increase in yield for 90Krproducts from existing European RIB (e.g. SPIRAL, REX-ISOLDE)

R&D will benefit 2nd generation ISOL projects:

HIE-ISOLDE, SPIRAL II, SPES, MAFF

Zakopane 2006



Spiral ii at ganil caen
SPIRAL II at GANIL, Caen

See talk of Gilles De France

Zakopane 2006


Spes at infn legnaro
SPES at INFN, Legnaro

1013 fissions/swith proton driver

1014 fissions/swith deuterons (upgrade)

~108 132Sn ions/s expected (0.02 pnA)

15 MeV/u with ALPI SC linac

See talk of Fabiana Gramegna

Zakopane 2006


Hie isolde at cern
HIE-ISOLDE at CERN

Increase in REX energy from 3 to 10 MeV/u

(first step in increase to 5.5 MeV/u)

Increase proton intensity 2  6 A (LINAC4, PSB upgrade) - target and front-end upgrade

RFQ cooler, REX-TRAP, REX-EBIS

REX-ECR upgrades

Super-HRS for isobaric separation

RILIS upgrade & LIST

Zakopane 2006


Eurisol layout
EURISOL layout

SPL or LINAG

150 MeV/a

(for 132Sn)

HIE-ISOLDE or CIME

Zakopane 2006


LOUVAIN-LA- NEUVE, HRIBF, ISAC1, REX-ISOLDE, SPIRAL,

EXCYT

2nd GENERATION RIB

UPGRADING

some M€ tens of M€ ~100 M€ ~600 M€ - 950 M€

~105 p/s ~107 p/s ~108,9 p/s ~pnA

tens

100kW

2010-2015

up to 5 MW

after 2015

few kW

2003

10-20 kW

2005-8

RIBF-Riken

EURISOL phase I

RIA

FAIR

2012-2013

9/2006

We stand here

NETWORKING of complementaryfacilities (HIE-ISOLDE, SPIRALII, SPES, MAFF)

From: Graziano Fortuna, INFN

Zakopane 2006


Eu 6 th framework design study feb 2005 feb 2009 conceptual ds in eu 5 th framework
EU 6th framework Design StudyFeb 2005 - Feb 2009(conceptual DS in EU 5th framework)

  • 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€ (incl. 500 person-years)

  • Contribution from EU : 9 M€

  • (will apply for 7th framework funding in 2009)

Zakopane 2006


Eurisol ds tasks
EURISOL DS tasks

Zakopane 2006


Driver accelerator
Driver accelerator

1 GeV 5 MW proton beam

3He at 2 GeV,

deuterons at 250 MeV,

heavy ions of A/Q=2 at 125AMeV

Zakopane 2006


100 kw direct target
100 kW direct target

Targets

-Actinide Targets (Carbide)

SiC,UC2+C, THC2+C

W-converter, Moderator & Reflector

-Metal Foil target (solid)

Ta, Nb

-Oxide powder (Fibre)

BeO + converter

Insulating materials at low de/dx

-Molten metals (liquid)

Vapour condensation

Ion-Sources, Effusion

-Mono-ECR

-RILIS, Surface

-FEBIAD

Elements

Fr, Hg, Sn, Ar, Lanthanides, Be, Ne, He, Hg

“NuPECC” (Be, Ar, Ni, Ga, Kr, Sn, Fr )

Zakopane 2006


High power multi mw target

Reflector

UCx/BeO Target

Reflector

Protons

16 cm

Hg Target

UCx/BeO Target

Protons

Target container

4 cm

Hg Jet

68 cm

UCx/BeO Target

Reflector

Reflector

40 cm

High power (multi-MW) target

  • 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.

  • 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.

Zakopane 2006


Radioisotope yields in high power target
Radioisotope Yields in high power Target

Isotopic yields (Ions/cm3/s/MW of beam)

Multiply by 104 for 5 MW actual target

Divide by 102 for post-acceleration

Zakopane 2006


Activity in hg
Activity in Hg

40 years 4 MW irradiation (5000 h/year)

ISABEL-ABLA: _______

CEM: - - - - - -

Zakopane 2006


Beam preparation
Beam preparation

  • Several of these low energy beam lines

  • High resolution separator for isobaric purity

Zakopane 2006


Sc post accelerator linac
SC post-accelerator linac

  • Design based on the solutions adopted for Spiral II (A/q=3)

  • Normal conducting injector to be compared with SC injector

  • SC accelerating cavities with no strippers; multiple q acceptance

  • Option of beam sharing to be considered

Zakopane 2006


Beam layout
Beam layout

Zakopane 2006


Beta beams
Beta-Beams

2 x 1013 ions/s

6He and 18Ne

From: Mats Lindroos, CERN

Zakopane 2006


Physics requirements
Physics requirements

Zakopane 2006


Physics instrumentation sub tasks leaders
Physics & Instrumentationsub-tasks & leaders

Zakopane 2006


Eurisol town meeting
EURISOL TOWN MEETING

November 27-28 2006 at CERN

See www.eurisol.org

Open meeting on Users’ Group for European ISOL

Zakopane 2006


Finis
FINIS

Zakopane 2006


Secondary fragmentation

Production of extremely neutron-rich isotopes

(two-step schemes: fission + cold fragmentation)

Secondary fragmentation

Eurisol scheme

n,p + 238U  132Sn + Be  X

Test experiment at GSI

S0-S2:238U(950 A MeV)+Pb  124-132Sn

S2-S4:124-132Sn + Be  X

From J. Benlliure, Santiagode Compostela

Zakopane 2006


1 gev extraction possible scheme
1 GeV Extraction possible scheme

  • 3 splitting stations

  • 4 simultaneous users of proton beams:

    • 1  4 MW line

    • 3  100 kW line

  • 1 line specialized for 2 GeV, 3He++ to be used alone

100 kW H+

4 MW H-

100 kW H+

B stripper

3He2+ at 2 GeV 100 kW

1 GeV/q

foil

stripper

100 kW H+

Zakopane 2006



High energy beam splitters
High energy beam splitters

  • magnetic stripping at 1 GeV of a small part of the H- beam to H0

  • bending of H- with a magnetic dipole

  • stripping of H0 to H+ by means of a stripper foil

  • H- to target 1 and H+ to target 2(3,4).

  • The spilled beam intensity can be controlled by adjusting the field strength of the magnetic stripper.

Zakopane 2006


Kr yields

Kr yields

Zakopane 2006


New extraction scheme
New extraction scheme

  • 1 GeV/q

    • 1 line 04 MW H-

    • 3 lines 0100 kW H+

    • 1 line 04 MW 3He2+

    • Possibility of simultaneous operation of the lines with H- and H+ beams by using high energy beam splitters

  • 250 MeV/q

    • 1 line

    • 0125 kW deuterons

    • all achievable A/q=2 beams

Zakopane 2006



Comparative yields before charge breeding
Comparative yields (before charge-breeding)

Comparative EURISOL and FAIR (SIS 200) yield calculations for doubly-magic nuclei far from stability

Zakopane 2006


Spiral ii yields
SPIRAL II yields

Zakopane 2006


Maff at frmii munich
MAFF at FRMII, Munich

Power in target: 3 kW  ~1014 neutrons/cm2/s

High thermal neutron cross section (s = 580 barns),

so only 1-2g of 235Utarget needed ~1014 fissions/s

Zakopane 2006


Europe 2 nd generation isol
Europe 2nd Generation ISOL

Zakopane 2006


Rib physics reach
RIB Physics Reach

FAIR

EURISOL

Zakopane 2006




Specimen experiments
Specimen Experiments

Ft-values of 0+ - 0+ superallowed Fermi beta transitions and T = 1/2 mirror transitions

Correlation measurements in nuclear beta decay to search for physics beyond the standard model

In-beam spectroscopy of heavy elements

Synthesis and decay of the heaviest elements

Optical spectroscopy of the heaviest elements

Neutron capture cross sections of radioactive nuclei

The r-process path between the N=50 and N=82 shells

Ground-state two-proton radioactivity

Super-allowed beta decay and the weak-interaction standard model

Beta-delayed two-neutron emission

Structure beyond the neutron drip line : 26-28O

Mass of 78Ni ground state

Magnetic moments of isomers in the 78Ni region

Charge radius of 78Ni

44Ti Abundance as a Probe of Nucleosynthesis in Core Collapse Supernovae

One or two neutron or well defined cluster (like alpha-particle) breakup

Isospin Dependence of Correlations

Nuclear Matter Incompressibility

The density dependence of the symmetry energy

Neutron-proton effective mass splitting

Isospin dependent phase transition

Isospin fractionation and isoscaling

Zakopane 2006


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