1. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 20061 SIS 18-6 Charge Separator W. Barth Introduction Present Charge Separation System Advanced Beam Dynamics Layout Technical Layout Project Status Modified working plan Manpower, Costs L. Heyl, J. Glatz, M. Kaiser, Ch. Will +...

2. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 20062 The GSI UNIversal Linear ACcelerator High Current Injector Alvarez Single Gap Resonators

3. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 20063 Transfer Line to the SIS 18 Single Gap Resonators Foil- stripper Charge State Analysis to SIS 18 FAIR: 40 emA (1490 kW)

4. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 20064 Present Charge Separation System Stripper-system consisting of 3 pathways 25m space charge dominated beam transport for the stripped beam (multi charge state beam) leads to significant emittance growth Charge analyzing system (11  -dipole) with a resolution of 1.5% is sufficient for low intensity beams with only small emittance areas Difficult beam optimization for transport from the stripper to the charge separation. Foilstripper 25m

5. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 20065 New Charge Separator-Concept Compact (6m) system of four vertical 35  -1.6 T-dipole magnets (field homogeneity  1.5 %) Sufficient for pulse operation: 3 Hz pulsed mode, 5 Hz demand mode Dipole chamber with low eddy currents in pulse operation, copper walls and apertures for low radioactivity from the impact of unwanted charge states, cooling and protection from thermal stress Stripper-system integrated Short (space charge dominated) beam transport (multi charge state beam): 1m less emittance growth Intensity gain inside SIS-acceptance  20% Charge-resolution ≤ 1% Improved beam operating

6. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 20066 Stripper Concept with (more than) 3 Pathways High Current Operation No Stripping Low Current Operation 1. 2. 3. High Current Operation (FAIR) Quadrupole Foil exchanger (20 stripper foils)

7. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 20067 New Charge Seperator: Beam Dynamics I horizontally Stripper Foil for high current heavy ion operation (sweeper)... for medium current operation (sweeper)... for low current operation (kicker) Kicker 2 Sweeper 2

8. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 20068 New Charge Seperator: Beam Dynamics II vertically

9. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 20069 New Beam Diagnostics Test Bench quadrupole dupletthor./vert. slit profile grid h/v-steerer beamdump ion current beam profile position (correction) beam emittance bunch structure (non destructive) beam energy

10. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 200610 Technical Layout/Overview dipole 1&2 dipole 3&4 kicker 2 beam diagnostic box (profile grid, analyzing slit) (double-) kicker 3 quad- doublet beam diagnostic boxes (emittance measurement) beam dump no change reused components steerer + beam transformers + phase probes

11. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 200611 list of components

12. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 200612 Status/component list

13. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 200613 Dipole magnets dipole 1 dipole 2 dipole 3 dipole 4 segment (for dipole 1) 01/2006 specification 02/2006 call for tender 04/2006 ordering 12/2006 delivery to GSI

14. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 200614 Dipole chambers copper layers water cooling

15. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 200615 Technical Layout Charge separator system New beam diagnostics test bench

16. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 200616 Project Status Components cooling water (esimated for LASEP+beam diagnostics bench) advanced beam dynamics fixed new beam diagnostics test bench design/techn. layout dipoles ordered most of the components in house/ordered dipole chamber (specs, call for tender, ordering) 2007 carriage system (specs, call for tender, ordering) 2007 preparation of controls system additional beam diagnostics defined, partly ordered technical layout/drawings of the whole beam line shutdown planning 2007 planning of infrastructure (media, cable) started no show stoppers

17. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 200617 Working Plan (pre-)assembly of the complete charge separator Insertion in the transfer line

18. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 200618 Investment, personnel t echn. (3Y), 01/03/2006 eng. (3 Y/50%), 01/02/2006 EU-personal hired: GSI-personal: - scientist (50 %) - task 5/senior scientist (temporarily) steerer (24 k€) phase probe (5 k€) SEM-grid (11 k€) High current slits (23 k€) techn. layout/ext. (15 k€) (basic approach: 465 k€)

19. SIS 18-6 (Charge seperator), W. Barth, annual meeting, EU construction (CNI) contract "DIRAC-PHASE-1", September 26, 200619 Beam Dynamics III Charge Separation Emittance Growth L. Groening