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HISPEC/DESPEC. FAIR (Facility for Antiproton and Ion Research) (Darmstadt, Germany). 350m. ~1GeV/u. fragmentation/fission. fragment separator. PANDA. R3B. low-energy cave 0-200 MeV/u. HISPEC, DESPEC, LASPEC. Zsolt Podoly á k. ring branch. EXL, ILIMA. - PowerPoint PPT Presentation
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FAIR (Facility for Antiproton and Ion Research) (Darmstadt, Germany)
low-energy cave0-200 MeV/u
fragmentation/fission
~1GeV/u
fragmentseparator
350m
ring branch
HISPEC/DESPEC
Zsolt Podolyák
PANDAR3B
EXL, ILIMA
HISPEC, DESPEC, LASPEC
Production yields and physics at FAIR:High primary beam intensity ~1012 ion/s for 238UHigh transmission (SuperFRS)
H. Geissel et al. NIM B 204 (2003) 71
FR S
S uper-FR S D egrader
D egrader 1
D egrader 2
Comparison of FRS and Super-FRS
-increase in transmission for fission products (a factor of 10)-cleaner beams due to the higher number of stages
CDR p.65. Some physics questions with radioactive beam
N=82
N=126
H. Grawe, K. Langanke, G. Martinez-Pinedo, to be published.
Larger differences(lack of experimental data)
isotopes of all elements; 0 MeV/u < E <200 MeV/u ions with short lifetimes (>100 ns) beam cocktail or mono isotopic beams isomeric beams
- gamma-ray spectroscopy + +- particle spectroscopy + +
- intermediate energy beams: 50-100 MeV/u- Coulomb barrier beams- decay spectroscopy
Features
HISPEC/DESPEC
Particle tracking (Z,pos.,E)
γ-ray det.
High-resolution In-flight SPECtroscopy (HISPEC)
Charged particle det., plunger
Identification (spectrometer, LYCCA)
Ge Cluster beam
Target chamber
CATE
Ge Miniball
Typically: 100MeV/u, ε=0.06, ∆E/E=0.02
ε=1.3% (1.3MeV)
E=100 MeV/u
ε=2.8% (Lorentz boost)dE/E<2%
HECTOR
RISING => HISPEC
AGATA 1π (demonstrator) at HISPEC
RISING AGATA 1π (demonstrator) (today) ~2011
Efficiency : 2.8% ~15% (10.5%) FWHM: 20 keV 7.6 keV
target-detector distance: 15 cm
Much increased sensitivity
Possibility of angular distribution and polarisation measurements,Coincidence measurements, g-factors (transient field method)Determination of source position (?) (target vs. degrader)
E/A=100 MeV
Several UK groups involved
Requirements for the beam tracking for AGATA
uncertainty (sigma) beta=5% beta=20% beta=50%position (cm) 1.5 0.5 0.3direction (degrees) 2 0.6 0.3velocity module (%) 2.4 0.7 0.3
E. Farnea, F.Recchia, LNL-INFN Ann.Rep. 2003 and private communication.
Identification of reaction products
CATE => LYCCA dE-E dE-E +TOF
Ti nuclei
different masses separated upto A=100
M.Taylor et al.
55Ni(9Be,xn,4p)
LLund-und-YYork-ork-CCologne ologne CACAlorimeter (LYCCA)lorimeter (LYCCA)
Diamond ? • Start TOF n DSSD’s
Light particleenergy detection
Diamond ?• Stop TOF
x DSSD’sparticle energyloss (ΔE)
x CsI detectorsparticle energy(E) detection
DSSD’s: 6cm x 6cm, 32 x 32 strips, 500μm total lab angle (2m separation) ± 2.6°
Two modulesi) LCP detection ii) Fragment identification
CsI’s: 2cm x 2cm, 3 x 3 x 3 array 3cm thick, stops 100 MeV protons
Possibly 13 telescopes for final design
• Fragment identification from ΔE, E, tracking and TOF
beam from Super FRS
(magnetic separator)
First LYCCA Tests in 2007
Rising Array 15 CLUSTERs (7 Ge crystals each)
March 2006
RISING => DESPEC
NEUTRON DETECTOR
DSSD IMPLANTATIONDETECTOR
GE γ-ARRAY
RADIOACTIVEBEAM
DEcay SPECtroscopy (DESPEC)
24 c
m
8 cm
8 x 8 cm128 x 128 strips1 mm (Micron in progress)3 dssd
E
Veto
AIDA: Advanced Implantation Detector ArrayCoordinator: T. Davinson
ww
w.p
h.ed
.ac.
uk/~
td/A
IDA
Implantation energy measurementDecay energy measurement (several layers)Low threshold: ~40 keV (conversion electron!)Fast recovery (~µs); ASIC
Edinburgh, STFC, Liverpool
Extended configuration(Super-FRS monochromatic)
Compact configuration (Super-FRS achromatic)
Planar Ge Array for DESPEC
24 stacks of 3 DSS-Planar detectors:
Detectors
24
Planar crystals per detector unit
3
Strips per element 8 + 8
Electronics channels 1152
Effective number of voxels
13824UK: Brighton, Edinburgh, Liverpool, Manchester, Paisley, STFC, Surrey, York
Setup A / Target
Super-FRS LEB
Setup B(spectrometer mode)
monoenergeticdegrader
Setup C / stopping cell
MF9
Available overall space
MF9 6000 mm
Setup A 8000 mm
Setup B 5500 mm
Degrader 2000 mm
Setup C 7000 mm
HISPEC
DESPEC
LYCCA
Reactions with Relativistic Radioactive Beams (R3B)
EXotic nuclei studied in Light-ion induced reactions at the NESR storage ring (EXL)
RISING => HISPEC/DESPECContinuous improvement AIDA in ~2010 LYCCA-0 in ~2010 AGATA demonstrator in ~2011? Physics <=> Theory
NUSTAR-UK HISPEC, DESPEC, R3B/EXL, ILIMA, LASPEC Statement of Interest in preparation
Summary