Arctic FIDIPRO-EFES Workshop, Saariselkä, Finland April 20-24, 2009

• SPIRAL2 at GANIL

• SPIRAL2 Phase 1 and Phase 2

• New equipment at SPIRAL2

• DESIR facility

• DESIR physics programme

Bertram BlankCEN Bordeaux-Gradignan

Phase 12012

Accelerator

S3

NFS

DESIR RIB PRODUCTION

Phase 22013/4

Existing GANIL facility

Spins&Shapes

Position ofdrip-linesPosition ofdrip-lines

N=ZN=Z

rp-processrp-process

Heavy and Super Heavy Elements

Heavy and Super Heavy Elements

r-process pathr-process path

Haloes & Structures in the Continuum

Haloes & Structures in the Continuum

Equation of StateRole of Isospin

Equation of StateRole of Isospin

Spins & ShapesSpins & Shapes

Shell structure far from stabilityShell structure

far from stability

Neutrons for scienceAtomic & solid state physicsRadiobiology & Isotope production

Neutrons for scienceAtomic & solid state physicsRadiobiology & Isotope production

ISOSPIN DEGREES OF FREEDOM IN NUCLEAR FORCES

ISOSPIN DEGREES OF FREEDOM IN NUCLEAR FORCES

www.ganil.fr/research/developments/spiral2/

Particle ArrayParticle ArrayGamma ArrayGamma Array

AGATA

PARISGASPARD FAZIA

EXOGAM 2

ACTAR

NFS

S3DESIR

2006-2007: 19 Letters of Intent, 600 physicists from 34 countries2008-2009: TDR for big instrumentation at SPIRAL2

DESIR

Low-energy beams from:S1, S2, S3

S3Productionbuilding

SPIRAL2 (S2)

GANIL – SPIRAL1 (S1)

Désintégration, excitation et stockage d’ions radioactifs(Decay, excitation and storage of radioactive ions)

Projectile or targetfragmentation at95 MeV/A

main interest:very neutron- and proton-rich light nuclei1+ n+

C

Source

UCx2000°C

diffusion / effusiondeuterons40 MeV neutrons

1+ n+

C

Source

UCx2000°C

diffusion / effusiondeuterons40 MeV neutrons

1+ n+

Fission, fusionevaporation, DIC

main interest:- fission products- medium-mass proton-rich nuclei

UCx2H

IS

UCx ISHI

n

2HTarget

2HIS

n

Target IS

Converter

LISOL

Gas catcher

Fusion-evaporationreactions at CoulombBarrier, DIC

main interest:- very heavy nuclei- N=Z nuclei- very short-lived isotopes- refractory elements

to DESIR

Identification station

to CIME

RFQ-HRS

m/m = 20000

SPIRAL2Production

Optical studies for double HRS are under way: aim is m/m = 20000 for 2mm mrad

to DESIR

Identification station

to CIME

RFQ-HRS

Teresa Kurtukian Nieto, CENBG

Length = 70 cm

Radius = 3mm

Florian Duval, Gilles Ban, Dave Lunney

0 20 40 60 80-300

-250

-200

-150

-100

-50

0

50

Deriva

ted in

tensi

ty

V4 (V)

40 41 42 43 44 45 46 47 48 49 50 51 52-300

-250

-200

-150

-100

-50

0

50

Der

ivat

ed in

tens

ity

V4 (V)

0 20 40 60 80-20

0

20

40

60

80

100

120

140

Nor

mal

ized

inte

nsity

(%

)

V4 (V)

• Gas : Helium at 10-2 mbar

• ΔE ≈ 0.18eV (before re-acceleration)

-8 -6 -4 -2 0 2 4 6 8

-6

-4

-2

0

2

4

Div

erg

ence

(m

rad)

Position (mm)

0

248,8

497,5

746,3

995,0

1244

1493

1741

1990

-8 -6 -4 -2 0 2 4 6 8

-6

-4

-2

0

2

4

Div

erge

nce

(mra

d)

Position (mm)

0

1008

2015

3023

4030

5038

6045

7053

8060

Without gas : 12 π.mm.mrad Helium at 10-2mbar : 4.75 π.mm.mrad

• 4.75 π.mm.mrad @ 3keV → ≈ 1 π.mm.mrad @ 60keV • Still under investigation :

– RF heating – Residual gas effect outside the RFQ section– Charge-exchange process

Laserroom

(mezzanine)

Meetingroom

(on top of DAQ)

Kitchen

+ WC(on top of CR)

MLL trap

Collinea

r Las

er

spec

trosc

opy

-NM

R

RFQbun-cher

+

Decay

set

up

Paultrap

General

purpose

SAS

ElectronicsDeskAccess5 m

Beam fromLevel -1

TAS

Neutronditch

Crane access to basement

Double M

OT

Gener

al

purpose

IS

Identification station with

tape

LN2

Gas &

w

aste sto

rage

LUMIERE BESTIOL

DA

Qro

om

Co

ntro

lro

om

off-linesource2

off-linesource1

Supply

Electri-city

Gray Room 2

Gray Room 1

AssemblyRoom 3

ControlRacks

Interfaces

HV

supplies

Crane access to basement

Stor- age 1

Assembly Room 2

Assembly Room 1

Stor- age 2

Radiolab

5 m

storage

Limits of DESIR hall

free

Bea

m f

rom

P

rod

uct

ion

bu

ild

ing

, S

3 an

d S

PIR

AL

1

Workshop

X

Identificationand radioprotectionmeasurements

Neutronditch

• RFQ SHIRAC: Gilles Ban• HRS: Bertram Blank• DESIR building: Franck Delalee• General purpose ion buncher GPIB + stable ion sources: Pierre Delahaye• Identification station: Philippe Dessagne

• Beam transport lines: Francois Le Blanc

• Safety and security: Jean-Charles Thomas

• Command / Control, diagnostics: Stéphane Grévy

• submitted on December 19, 2008

• presented to SPIRAL2 SAC on January 29, 2009

• strongly supported by SPIRAL2 SAC….

• about 100 pages of technical description of DESIR facility

and its equipment

• co-signed by 111 physicists and engineers of 15 countries

• contains a general description of buildings and interfaces

• description of major installations like traps, spectroscopy

setups etc

• report available on DESIR web page (www.cenbg.in2p3.fr/desir)

• Collinear Laser spectroscopy: - spins - magnetic moments - quadrupole moments - change of charge radii

• -NMR spectroscopy: - nuclear gyromagnetic factor - quadrupole moment

N=50, N=64, N=82, …

• Microwave double resonance in a Paul trap: - hyperfine anomaly and higher order momenta (octupole and hexadecapole deformation)

Eu, Cs, Au, Rn, Fr, Ra, Am ….

LUMIERELUMIERELLaser aser Utilisation for tilisation for MMeasurement andeasurement and

IIonization of onization of EExotic xotic RRadioactive adioactive EElementslements

F. Le Blanc ,OrsayF. Le Blanc ,OrsayG. Neyens, LeuvenG. Neyens, LeuvenP. Campbell, ManchesterP. Campbell, Manchester

• Decay studies with halo nuclei

• Clustering studies in light nuclei

• -delayed charged-particle emission: e.g. proton-proton correlation

• Super-allowed decays and the standard model of electro-weak interaction

• Deformation and Gamow-Teller distribution

• 2n correlations, Pn and nuclear structure (r-process)

• ...

BESTIOLBESTIOLBEBEta decay STSTudies at the SPIRAL2 IIsOLOL facility

TETRA, Y. Penionzhkevich (Dubna)TAS, J.L. Tain (Valencia) setup, B. Blank (Bordeaux)

M.J.G. Borge, MadridM.J.G. Borge, Madrid

MLLTRAPMLLTRAP

• High-accuracy mass measurements - unitarity of CKM matrix (Vud): 50Mn, 54Co with M/M~10-10

- transuranium isotopes (beams from S3): M(Z>102) • In-trap spectroscopy: - conversion electron and spectroscopy: shape coexistence • Trap-assisted spectroscopy - decay studies of isomerically pure radioactive species

P. Thirolf , MunichP. Thirolf , Munich

Set-up being installed at

MLL/Garching

KVI atomic trapping facilityKVI atomic trapping facility

• New limits on scalar and tensor contributions in the weak interaction

• New limits on time-reversal violation in beta decay

• Systematic of atomic parity non-conservation in a long isotopic chain

H. Wilschut, GroningenH. Wilschut, Groningen

Experimental set-up at KVI

DESIR: 29 weeks of RIB/year: 10 weeks of RIB from SPIRAL2, 4 weeks from S3, 15 weeks from SPIRAL1 DESIR: 29 weeks of RIB/year: 10 weeks of RIB from SPIRAL2, 4 weeks from S3, 15 weeks from SPIRAL1

Standard planning; one production caveStandard planning; one production cave

Phase I

Phase II

Main parts: estimated costs fund available

• RFQ and HRS « building »: included in SPIRAL2 project

• DESIR building + interfaces: 6000 k€ 2000 k€ (CPER)

• RFQ: 450 k€ + ? 320 k€ (CPER)

• HRS: 2000 k€ + ? -

• beam lines: 4500 k€ -

• off-line sources + GPIB: 290 k€ -

• identification station: 140 k€ -

• control / command, diagnostics: 400 k€ together with SPIRAL2

• RFQ: on-going tests, study of “nuclearisation”, study of final version of RFQ

• HRS: detailed optical study of new ALPHA version, detailed mechanical study

• beam lines: preliminary design, cost estimate, detailed design study

• stable ion sources: definition, purchase

• GPIB: study and construction

• Identification station: preliminary design, detailed design, construction

• DESIR building: like SPIRAL2 Phase 2 construction program….

decision about construction at latest mid 2010

• ……