The low-energy facility at SPIRAL2 transport-energy (50 keV)
exotic-nuclide beams for: For the DESIR Collaboration: D. Lunney,
SPIRAL2 SAC, 29 January 2009 D sintgration, E xcitation et S
tockage d I ons R adioactifs decay spectroscopy - laser
spectroscopy - ion / atom trapping - nuclear fine structure charge
radii & moments masses, ion-purification weak interaction
studies Slide 2 The low-energy facility at SPIRAL2 Spokesperson: B.
Blank GANIL liaison: J.-C. Thomas collaboration initiated during
the first SPIRAL2 workshop, July 2005 series of meetings through
2006-2008 to define DESIR: B. Blank, P. Campbell, F. Le Blanc, M.-
J. Garcia-Borge, M. Lewitowicz, D. Lunney, O. Naviliat-Cuncic, G.
Neyens, J.-L. Tain, P. Thirolf, J.-C. Thomas over 110 scientists
(lol & tp) D sintgration, E xcitation et S tockage d I ons R
adioactifs Slide 3 low (no) energy & precision measurements
four-year observationconsiderably less Increased production for two
nuclear structure paradigms: intensity for specific reactions chart
the terra incognita ISOL:good beam quality TRAP:long observation
time decay kinematics beam preparation NIST Jackson Pollock beam
preparation DESIR:(precise) knowledge of global observables and
detailed spectroscopy Slide 4 GANIL/SPIRAL 1 DESIR production
building production building LINAC S3 NFS RFQ HRS RFQ HRS SPIRAL 2
facility Slide 5 production vault (red) target high-intensity
cooler (SHIRAC) and high-resolution separator to post-accelerator
(CIME) yield station to DESIR SPIRAL 2 front end F. Varenne, GANIL
Slide 6 symmetric design - inspired by the CARIBU HRS at Argonne
National Laboratory: C.N. Davids and D. Peterson, NIMB (2008) Beam
profile in x-direction Suggested layout T.Kurtukian-Nieto, CENBG
High-resolution mass separator Slide 7 Goal: * high-voltage (20
kV), high frequency (20 MHz) linear RFQ trap for strong
confinement: uA beams 100 confinement of present devices: prototype
Results:* uA beam trapped at Orsay: O. Gianfrancesco et al., NIMB
(2008) * Emittance measurements underway at LPC: F. Duval, Ph.D, U.
Caen (2009) G. Ban, LPC-Caen High-intensity ion cooler (SHIRAC) gaz
faisceau C ooler for A ccumulation & R adioactive on L ine A
nalysis High dispersion High angular acceptance Low emittance
cooling confinement Slide 8 2.2.1. High-intensity cooler (LPC Caen)
2.2.2. High-resolution separator (CENBG Bordeaux) 2.2.3. Fast
tape-station (IPHC Strasbourg) 2.2.4. Stable sources &
general-purpose ion buncher (CSNSM/GANIL) * 2.2.5. Collinear laser
set-up (Manchester, Leuven, Birmingham, Orsay) including a -NMR
set-up * 2.2.6. -decay set-up (Bordeaux, GANIL, Strasbourg, Orsay,
Madrid) total-absorption spectrometer (Valencia/Surrey)
Penning-trap-assisted spectroscopy (Bordeaux) neutron set-ups TETRA
(Dubna) and CIEMAT (Madrid, Caen) fast-timing spectroscopy
(Uppsala/Grenoble) general-purpose spectroscopy (Madrid) * 2.2.7
MLL Penning-trap system (LMU Munich) * 2.2.8. Magneto-optical trap
(KVI Groningen) * 2.2.9. Decay kinematics Paul-trap (LPC Caen)
DESIR experimental equipment Slide 9 B P. Campbell, U. Manchester;
G. Neyens, K.U. Leuven; F. Le Blanc, IPN-Orsay LUMIERE for radii
& moments Laser Utilisation for Measurement and Ionization of
Exotic Radioactive Elements laser beam magnets Recent examples:
ISOLDE: D. Yordanov et al., PRL (2008) JYFL: B. Cheal et al., PLB
(2007) Slide 10 BESTIOL experiment (BEta-decay studies at Spiral
Two IsOL) M.-J. G a Borge, J.-L. Tain, Y. Penionchevich, D. Cano,
H. Mach, G. Simpson, B. Blank, N. Orr TETRA CIEMAT TONNERRE fast
timing TAS T-AS Slide 11 Reiner Krueken Slide 12 P. Thirolf,
LMU-Munich DESIRTRAP (formerly MAFFTRAP) masses: nucleosynthesis,
magic-number migration, weak-interaction studies D. Neidherr et
al., ISOLTRAP (2008) Slide 13 candidate:(pure GT transition) deduce
angular correlation from measurement of -recoil X. Flechard et al.,
PRL (2008) LPC trap for decay-correlation studies E. Linard &
O. Naviliat-Cuncic, LPC-Caen "Ring" trap SPIRAL1 low-energy beam
line cooling & bunching trapping & measuring H. Wilschut,
KVI-Groningen Also: atom traps Slide 14 DESIR GANIL - SPIRAL1 (S1)
SPIRAL2 (S2) S3 Various beams to DESIR Slide 15 Laser mezzanine
Meeting room (on top of DAQ) Kitchen + WC (on top of CR) MLL trap
Collinear Laser spectroscopy -NMR RFQ bun- cher Penning trap +
Decay setup Paul trap General purpose SAS Electronics Desk Access 5
m Beam from Level -1 TAS Neutron ditch Crane access to basement
Double MOT General purpose IS Identification station with tape LN2
Gas & waste storage LUMIERE BESTIOL DAQ room Control room
off-line source 2 off-line source 1 DESIR beam hall Slide 16 Supply
Electri- city Gray Room 2 Gray Room 1 Assembly Room 3 Control Racks
Interfaces HV supplies Crane access to basement Stor- age 1
Assembly Room 2 Assembly Room 1 Stor- age 2 Radio lab 5 m storage
Limits of DESIR hall free Work shop X Neutron ditch DESIR cave
Slide 17 MLL Penning trap neutrons general purpose spectroscopy
buncher ion sources LUMIERE Paul trap MOT BESTIOL TAS control room
S1 S2 S3 automated beam tuning system Slide 18 Slide 19 Slide 20
General-purpose ion buncher and stable-ion sources: Pierre Delahaye
RFQ SHIRAC:Gilles Ban High-resolution separator:Bertram Blank
Identification station:Philippe Dessagne Beam transport lines:
Francois Le Blanc Safety and security:Jean-Charles Thomas
Command/Control, diagnostics:Stphane Grvy Building:Franck Delalee
DESIR facility work packages from the desire for fine physics DEIR
Thanks to the collaboration & spokesman Slide 21 Slide 22 DESIR
time line Slide 23 DESIR hall + btiment dinterface :6000 k Cooler
SHIRAC non-nuclaris (LPC Caen) : 450 k HRS (CENBG contribution pour
hall de montage) : 50 k mission DESIR HRS (CENBG) : 4 * 15 k/an HRS
: 1500 - 3000 k lignes de faisceau (optique, pompage) : vers DESIR
: 2700 k dans DESIR (seulement larte) : 870 - 1400 k
contrle/commande, diagnostiques: 400 k station didentification
(Strasbourg) : 140 k General purpose ion buncher GPIB (GANIL) + 2
stable IS: 290 k fast timing setup (Grenoble) : 34 k
Beam-preparation double Penning trap (CENBG) : 945 k LPCTRAP
facility (LPC) : 105 k Neutron detection array(LPC) : 150 k Mode de
financement: SPIRAL2, Espagne, ANR, Rgion Aquitaine, IN2P3, CPER,
GANIL, laboratoire, Europe ? Slide 24 Cooler SHIRAC (LPC Caen) :
450 k + nuclarisation (dont 320 k CPER) HRS (CENBG contribution
pour hall de montage) : 50 k mission DESIR HRS (CENBG) : 4 * 15
k/an station didentification (Strasbourg) : 140 k General purpose
ion buncher GPIB + 2 stable IS (GANIL/CSNSM) : 290 k Double Penning
trap (mission + fonctionnement) (CENBG) : 190 k LPCTRAP (LPC) : 105
k Neutron detection array (LPC) : 150 k fast timing setup
(Grenoble) : 34 k DESIR hall + btiment dinterface :4000 k(+ 2000 k
CPER) Contribution HRS ? eventuellement: lignes de faisceau :vers
DESIR : 2700 k dans DESIR (seulement larte) : 870 - 1400 k
contrle/commande, diagnostiques: 400 k Slide 25 Beam-preparation
double Penning trap, investissement (CENBG) : 755k Espagne: HRS :
1500 - 3000 k lignes de faisceau :to DESIR : 2700 k central DESIR
beamlines: 870 - 1400 k contrle/commande, diagnostiques: 400 k What
about the S3-DESIR line? Slide 26 anne20092010201120122013 SHIRAC
(LPC Caen)4015 hall de montage CENBG (HRS)50 Mission DESIR + HRS
(CENBG) 15 Double Penning (CENBG)60 70 Station didentification
(IPHC) 117662 GPIB + 2 ion sources (CSNSM + GANIL) 461209150
LPCTRAP (LPC Caen)5055 Neutron array (LPC Caen)50 ?? Fast timing
(LPSC Grenoble)34 total140251341250 + main duvre du GANIL, du
CENBG, de lIPNO, du LPC Caen, de lIPHC, du LPSC
