Progress of SAFERIB: General Aspects P.G. Thirolf, LMU München
Part of the EURONS Integrated Infrastructure Initiative - Radiation Protection Issues related to Radioactive Ion Beam Facilities (LMU, CERN, FZJ, GANIL, GSI, INFN-LNL)
News from EURONS coordinator: • 1st annual report has not yet been approved by EC, due to modifications requested around Transnational Access to Large Scale Infrastructures -> prefinancing of EURONS (and SAFERIB) on the level of still available reserve at management team.
Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
Project Tasks
Task T-J10-1: Radiation-correlated mechanical, thermal, electric material properties Subtask T-J10-1.1: Characterization of hot open fission source (LMU) Subtask T-J10-1.2: Secondary radiation and activation by fast heavy-ion beams in thick targets (GSI) Task T-J10-2: Migration of radioactivity Subtask T-J10-2.1: Reliability of codes (CERN) Subtask T-J10-2.2: Release study (CERN) (FZJ) Subtask T-J10-2.3: Soil/ground water activation Subtask T-J10-2.4: Technical concept to confine radioactivity (GANIL) Task T-J10-3: Technical concept to confine volatile radioactivity (GANIL) Task T-J10-4: Failsafe remote-controlled target manipulator
Peter Thirolf, JRA-10 SAFERIB
(INFN-LNL)
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
Status of Milestones, Deliverables Milestones:
Short title
M-J10-1.1
Properties of fission source prototype characterized Secondary radiation from thick targets Activation measurements and activation Calculations of components in the vicinity of thick In-flight targets Validation of reliability: isotope production codes Release study of radiologically important isotopes from target ion source Study of soil/ground water activation Concept to confine radioactivity Technical concept to confine volatile radioactivity Solution for radiation-hard , remote-controlled target manipulator
M-J10-1.2 M-J10-1.3
M-J10-2.1 M-J10-2.2 M-J10-2.3 M-J10-2.4 M-J10-3 M-J10-4
Date duei 12/06
Date accompl.
12/05 12/07
12/05
12/05 4/06
10/05 04/06
6/06 6/06 11/07 11/07
11/06 ? 10/06 ?
Short title
Date due
D-J10-1
Report on task T-J10-1 (material properties) Report on task T-J10-2 (migration of activity) Report on task T-J10-3 (containment of volatile activity) Report on task T-J10-4 ( remote-controlled manipulator)
12/07
Type Disseminati on level R/PU
12/07
R/PU
12/07
R/PU
12/07
R/PU
D-J10-3 D-J10-4
Peter Thirolf, JRA-10 SAFERIB
LMU GSI
*
GSI
Deliverables
D-J10-2
Remark
Date delivered
CERN CERN FZJ GANIL GANIL INFN
( ) ( )
Remark
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
LMU progress for SAFERIB 06/06 - 10/06 Task: Characterization of fission source prototype: heating tests beam emittance
Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
LMU progress for SAFERIB 06/06 - 10/06 Nd mass spectrum from source prototype: 142 144
beam emittance: 146
y Integral: 10,5π mm mrad @ 21 keV 0
Here: 143 emittance plot !!
10
2,5E-13 5E-13
145 148 150
1E-12 1,25E-12 1,5E-12
b [mrad]
133Cs
7,5E-13
5
1,75E-12
0
2E-12
-5
intensities according to isotopic abundances
-10 0
5
10
15
y [mm]
10.5 π mm mrad (@ 21 keV) Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
LMU progress for SAFERIB 06/06 - 10/06 Thermal effects: tilt of Re cylinder support
C-sublimation onto insulators Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
GSI activities for SAFERIB 06/06 - 10/06 G. Fehrenbacher, E. Kozlova, A. Knapp, T. Radon (GSI, department for safety and radiation protection)
Task: Activation of components in the vicinity of thick in-flight targets Activation experiments in Cave A final goal: induced activity per radionuclide in components beam parameters: U-238 on stack of Cu and steel disks @ 120 MeV/u and 500 MeV/u Comparison with MC-Code FLUKA 2005.6
Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
Targets for the Uranium beam irradiation
Al 100 µm 238U
beam Vacuum
600 mm
Material and configuration
Initial energy of 238U ions
Target thickness
Irradiation time, h / Total dose on the target (ions)
1
Stainless steel 302 – set of disks mm: 0.1, 0.5, 0.5
120 MeV/u
1.1 mm
6.3 / 2.01*1011
2
Cu – set of 11 disks of 0.1 mm
120 MeV/u
1.1 mm
12.25 / 3.32*1011
3
Stainless steel 302 – set of 35 disks
500 MeV/u
11.9 mm
16.35 / 2.352*1011
4
Cu – set of 34 disks
500 MeV/u
11 mm
20.0 / 4.66*1011
Target N
Air
SEETRAM (beam monitor)
The 0.1 – millimeter foils were inserted after each thick disk, which allowed to obtain the spatial distribution of the activation rates in the target along the range Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
Residual Nuclides Measured in Copper and Stainless Steel Targets
Projectile – activation target 238U
Residual nuclides in activation target 7Be, 22,24Na, 28Mg, 41Ar, 42,43K, 44,44M,46,47,48Sc,
– Stainless steel
48V, 48,51Cr, 52,54,56Mn, 52,59Fe, 55,56,57,58Co, 56,57Ni 7Be, 22,24Na, 28Mg, 42,43K, 44,44M,46,47,48Sc, 48V,
238U
48,51Cr,
– Cu (nat)
52,54Mn, 52,59Fe, 55,56,57,58,60Co, 57Ni, 62,65Zn, 67Ga
Distribution of activity in the copper target after Residual activity, (Bq/p.p.)
1.00E-08
238
U 500 Mev/u irradiation
2.25
9.00E-09
Experiment
8.00E-09
1.37
FLUKA
7.00E-09 6.00E-09 5.00E-09 4.00E-09 3.00E-09 2.00E-09 1.00E-09
Ratio: 3.19
1.54
1.59
Co-56
Co-57
1.40
Some of the projectile fragments, which are observed in activation copper and stainless steel foils: 127Xe, 237U, 140Ba, 206Bi, 131Ba, 103Ru, 88Y, 99Mo
0.00E+00 Sc-46
Peter Thirolf, JRA-10 SAFERIB
Cr-51
Mn-54
Co-58
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
GANIL progress report: SAFERIB Manssour FADIL , Bertrand RANNOU Tasks: scientific and technical studies (SAFERIB): expansion of contamination and migration of radioactive gases: - radioactivity of transport lines and post-accelerator - radioactivity in experimental areas radioactive gases storage legal study (EURISOL): conformity to legislation Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
Expansion of contamination and migration of radioactive gases: Concept and design studies of the cryotraps: Concept and design studies of the cryogenic source (collaboration with IPN/Orsay):
done in 2005
finished in October 2006
Beginning of the construction (cryotraps and source):
November 2006
First experimental tests (cryotraps and source)
March 2007
deliverable: technical report (design and experimental tests) Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
Radioactive gases storage: Conception studies (Collaboration with industrial company ): done in September 2006 improvements to be brought deliverable: detailed technical report
Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
Forschungszentrum Jülich in der Helmholtz-Gemeinschaft
FZJ: Activity migration in ground water • Work on coupling TRACE/PARTRACE (code for transport calculations of nuclides in groundwater) with the water/soil activation module was started; improved results are expected for September ’06 • The literature survey on KD-values is almost complete • Calculations on activation profiles in CERN-type soil around a 10 MW/1.334 GeV LINAC were documented and a respective draft report is available -> talks by R. Moormann and N. Prolingheuer Institut für Sicherheitsforschung und Reaktortechnik - ISR Peter Thirolf, JRA-10 SAFERIB
Rainer Moormann
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
SPES concept for target removal
extension to EURISOL
Design considerations: o efficient target handling/servicing system for frequent, quick changes o target area: high residual activity, contamination with mobile activity o target maintenance: remote disconnecting/transfer to hot cell o manipulator system for all actions in hot cell needed o requirements: dissassembling/reassembling of all target components o manipulator fitted with cutting and welding tools Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
Peter Thirolf, JRA-10 SAFERIB
EURISOL-DS (T5)/SAFERIB Progress Meeting, Munich, October 12./13., 2006
