UNILAC/SIS accelerator
Accelerator Facilities and Experimental Areas
SIS/FRS at GSI
Primary beam intensities 2008 (SIS)
Primary beam intensity (details)
(.ppt)
UNILAC beam structure
SIS beam structure - single-turn injection
The present beam currents reached from the high current injector and source need no stacking by the electron-cooler
SIS beam structure - multi-multi-turn injection
SIS: beam loss (bad vacuum)
SIS: lifetime and beam loss (bad vacuum)
Ion
Number of
injections
Intensity [spill
-1
]
at FRS
Ion source
Date
58
Ni
1
6*10
9
MEVVA
3.2006
107
Ag
1
3*10
9
MEVVA
2.2006
124
Xe
1
5*10
9
MUCIS
3.2008
136
Xe
4
5*10
9
MEVVA
7.2006
208
Pb
30
1.3*10
9
PIG
3.2006
238
U
10
2.0*10
9
PIG
7.2006
intensity[s
-1
] = 0.5 * intensity [spill
-1
]
present
238
U-beam intensity: 1*10
9
particles/s
max. theo.
238
U-beam intensity: 1.5*10
10
particles/s
NOTE: 70% transmission SIS-FRS !!!
Publications:
ion source homepage
EZR
MEVVA
MUCIS
VARIS
UNILAC injector group
SIS-18 accelerator
Stadlmann: SIS status (FRS user meeting 2008)
Stadlmann: GSI accelerators (summer student lecture 2007)
ESR storage ring
FAIR
Facility for Antiproton and Ion Research
last update: 15.12.2008 Hans-Juergen Wollersheim
HJW