Shielding Aspects of Accelerators, Targets and Irradiation Facilities – SATIF‐10 ISBN 978‐92‐64‐03467‐9 (print) © OECD 2010 CORRIGENDUM Pages 221 to 227 Figures 1 to 14 were not printed in full. The complete figures are reproduced below.
INTERCOMPARISON OF MEDIUM-ENERGY NEUTRON ATTENUATION IN IRON AND CONCRETE (8)
Figure 1: Comparison of the neutron attenuation length of iron
400
ANISN(SATIF-6)
MARS(SATIF-8)
FLUKA(SATIF-10)
HETC-3STEP(SATIF-6)
ROZ-6.6(SATIF-8)
PHITS(3m,SATIF-10)
PHITS without Λ0 (3m, SATIF-10)
–2
-2
Attenuation length
Attenuation
Length(g(gcmcm) )
350
300
250
GEANT-4(SATIF-10)
Geant-321(SATIF-8)
MCNPX(SATIF-8)
200
150
100
50
0
10
100
4
5
1000
10
SSource
ource Neutron
Energy(MeV)
(MeV)
neutron energy
10
2
2
Dose
Eqivalent
(Svper
pern/cm
n/cm
Dose
equivalentrate
rate (Sv
) )
Figure 2: Dose distribution inside iron for 10 GeV protons
10-10
-12
10
-14
10
ROZ-6.6(SATIF-8)
FLUKA(SATIF-10)
GEANT-4(SATIF-10)
GEANT-321(SATIF-8)
MARS(SATIF-8)
PHITS(SATIF-10)
PHITS(without Λ0)(SATIF-10)
-16
10
10-18
10-20
0
100
200
300
400
500
600
iron (cm)
DDepth
epthininIron
(cm)
SHIELDING ASPECTS OF ACCELERATORS, TARGETS AND IRRADIATION FACILITIES – © OECD/NEA 2010
221
INTERCOMPARISON OF MEDIUM-ENERGY NEUTRON ATTENUATION IN IRON AND CONCRETE (8)
2
2 2
Neutrons/MeV/cm
per
n/cm
Neutrons/MeV/cm2 per
n/cm
Figure 3: Neutron spectra at 4 m inside iron for 10 GeV protons
-7
10
10-9
-11
10
GEANT-4(4m)(SATIF-10)
PHITS(4m)(SATIF-10)
PHITS(4m, witout Λ0)(SATIF-10)
-13
10
10-15
FLUKA(4m)(SATIF-10)
ROZ-6.6(4m)(SATIF-8)
MARS(4m)(SATIF-8)
10
100
1000
10
4
energy (MeV)
NNeutron
eutron Energy
(MeV)
Figure 4: Neutron dose difference at 4 m inside iron between ROZ 6.6, MARS, GEANT4 and PHITS
1000
Max./min. dose ratio at 4 m
Max./Min. dose ratio at 4m
Include ROZ result
MC results only
MC results without PHITS with Lab
100
10
1
10
100
1000
10
4
5
10
Source
energy(MeV)
(MeV)
Sourceneutron
neutron energy
222
SHIELDING ASPECTS OF ACCELERATORS, TARGETS AND IRRADIATION FACILITIES – © OECD/NEA 2010
INTERCOMPARISON OF MEDIUM-ENERGY NEUTRON ATTENUATION IN IRON AND CONCRETE (8)
Figure 5: Dose distribution inside iron by PHITS
-9
10
-11
Sv
n/cm2 2
Sv per
per n/cm
10
-13
10
3GeV
3 GeV without Λ
-15
10
0
5 GeV
5 GeV without Λ
0
-17
10 GeV
10 GeV without Λ0
10
50 GeV
50 GeV without Λ0
-19
10
100 GeV
100 GeV without Λ0
-21
10
0
100
200
300
400
Depth
Depthininiron
iron (cm)
(cm)
500
600
Figure 6: Λ0 portion within produced particles except neutrons and
protons from 1 cm diameter and 1 cm length of iron or concrete
Λ0/total (except neutron and proton)
0.03
0.025
0.02
0.015
0.01
Iron
Concrete
0.005
0
104
105
Neutron energy (MeV)
SHIELDING ASPECTS OF ACCELERATORS, TARGETS AND IRRADIATION FACILITIES – © OECD/NEA 2010
223
INTERCOMPARISON OF MEDIUM-ENERGY NEUTRON ATTENUATION IN IRON AND CONCRETE (8)
Figure 7: Comparison of the neutron attenuation length of concrete
-2
Attenuation
Attenuation Length
length (g cm–2)
200
150
100
ANISN(SATIF-6)
FLUKA(SATIF-10)
HETC-3STEP(SATIF-8)
ROZ-6.6(SATIF-8)
PHITS(R=3m)(SATIF-8)
GEANT-4(SATIF-10)
GEANT-321(SATIF-8)
MCNPX(SATIF-8)
MARS(SATIF-8)
50
0
10
100
1000
4
5
10
10
Source Neutron
Energy (MeV)
(MeV)
Source
neutron energy
2 2)
Dose
pern/cm
n/cm
DoseEqivalent
equivalentrate
rate (Sv
(Sv per
)
Figure 8: Dose distribution inside concrete for 10 GeV neutrons
10-9
10-10
10
-11
10
-12
10
-13
10
-14
ROZ-6.6(SATIF-8)
FLUKA(SATIF-8)
MARS-15(SATIF-8)
GEANT-4
GEANT-321(SATIF-8)
HETC-3STEP
PHITS(SATIF-8)
10-15
10-16
10-17
0
200
400
600
800
1000
1200
Depth
(cm)
DepthininConcrete
concrete (cm)
224
SHIELDING ASPECTS OF ACCELERATORS, TARGETS AND IRRADIATION FACILITIES – © OECD/NEA 2010
INTERCOMPARISON OF MEDIUM-ENERGY NEUTRON ATTENUATION IN IRON AND CONCRETE (8)
Figure 9: Neutron spectra at 4 m inside concrete for 10 GeV protons
-1
2
Neutrons/MeV/cm
pern/cm
n/cm22
Neutrons/MeV/cm2 per
10
-2
10
-3
10
-4
10
10-5
GEANT-4(4m)(SATIF-10)
PHITS(4m)(SATIF-8)
FLUKA(4m)(SATIF-10)
HETC-3STEP(4m)(SATIF-8)
ROZ-6.6(4m)(SATIF-8)
MARS(4m)(SATIF-8)
-6
10
-7
10
-8
10
10
100
104
1000
energy (MeV)
Neutron Energy
(MeV)
Figure 10: Neutron dose difference at 8 m inside concrete
between ROZ 6.6, FLUKA, MARS, GEANT4 and PHITS
1000
Include ROZ result
Max./min. dose ratio at 8 m
MC results only
100
10
1
0.1
1
10
100
Source neutron energy (MeV)
SHIELDING ASPECTS OF ACCELERATORS, TARGETS AND IRRADIATION FACILITIES – © OECD/NEA 2010
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INTERCOMPARISON OF MEDIUM-ENERGY NEUTRON ATTENUATION IN IRON AND CONCRETE (8)
)
Figure 11: Comparison of the neutron attenuation of iron for
secondary neutrons from a Hg target with 3 GeV protons
(g
g
Attenuation length of iron (g cm–2)
200
150
100
HETC-3STEP(3GeV,SATIF-6)
GEANT-4(3GeV)(SATIF-10)
ANISN(3GeV,SATIF-6)
ROZ-6.6(3GeV)(SATIF-8)
PHITS(3GeV)(SATIF-8)
MARS(3GeV)(SATIF-8)
FLUKA(3GeV)(SATIF-10)
GEANT-321(3GeV)(SATIF-8)
ISIS Exp.(800MeV)
LANSCE Exp.(800MeV)
50
0
0
50
100
150
Emission angle
Emission
angle(degrees)
(degrees)
Attenuation length of concrete (g cm )
2
Attenuation Length of Concrete (g –2cm )
Figure 12: Comparison of the neutron attenuation length of concrete
for secondary neutrons from a Hg target with 3 GeV protons
150
100
HETC(3GeV)(SATIF-8)
GEANT-4(3GeV)(SATIF-10)
ANISN(3GeV,6m,SATIF-6)
ROZ-6.6(3GeV)(SATIF-8)
PHITS(3GeV)(SATIF-8)
MARS(3GeV)(SATIF-8)
FLUKA(3GeV)(SATIF-10)
GEANT-321(3GeV)(SATIF-8)
ISIS Exp.(800MeV)
50
0
0
50
100
150
Emission angle (degrees)
Emission Angle (degree)
226
SHIELDING ASPECTS OF ACCELERATORS, TARGETS AND IRRADIATION FACILITIES – © OECD/NEA 2010
INTERCOMPARISON OF MEDIUM-ENERGY NEUTRON ATTENUATION IN IRON AND CONCRETE (8)
Figure 13: Comparison of the neutron attenuation length of iron for secondary
neutrons emitted to 90° from Fe and Hg (24 GeV) target with protons
Attenuation length (g cm )
Attenuation Length (g cm
–2 )
160
120
GEANT-4(SATIF-10)
ANISN(SATIF5)
MARS(SATIF-8)
PHITS(R=3m)(SATIF-8)
HETC-3STEP(SATIF-6)
ROZ-6.6(SATIF-8)
FLUKA(SATIF-10)
GEANT-321(SATIF-8)
ISIS Exp.
LANSCE Exp.
80
40
0
100
1000
104
ProtonEnergy
energy (MeV)
Proton
(MeV)
Figure 14: Comparison of the neutron attenuation length of concrete for
secondary neutrons emitted to 90° from Fe and Hg (24 GeV) target with protons
Attenuation length (g cm )
120
–2
Attenuation Length (g cm )
140
100
80
60
40
20
0
100
GEANT-4(SATIF-10)
ANISN(6m,SATIF-6)
HETC-3STEP(SATIF-8,10)
PHITS(R=3m)(SATIF-8)
FLUKA(SATIF-10)
MARS(SATIF-8)
GEANT-321(SATIF-8)
ROZ-6.6(SATIF-8)
ISIS Exp.
1000
4
10
Proton
energy(MeV)
(MeV)
Proton
Energy
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