JAERI Facilities for the IFMIF Nuclear data - Experimental facilities & measurements status -
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Transcript of JAERI Facilities for the IFMIF Nuclear data - Experimental facilities & measurements status -
JAERI Facilities for the IFMIF Nuclear data
- Experimental facilities & measurements status -
Presented by Takeo NISHITANIJapan Atomic Energy Agency (JAEA)
IAEA Technical Meeting on „Nuclear Data for the International Fusion Materials Irradiation Facility
(IFMIF)“, Forschungszentrum Karlsruhe (FZK), Institut für Reaktorsicherheit, Germany, October 4-6, 2005
Outline of talk FNS 14 MeV neutron facility (Tokai) TIARA AVF cyclotron facility (Takasaki)
Li(p,n) neutron port Charged particle port
Takasaki
Tokyo
Tokai
100 km
FNS facility The Fusion Neutronics Source
FNS is an accelerator based intense 14 MeV neutron source, which was established in 1981.
Control room
Work area
TOFduct
D+ beam- Vac :400 kV - Ib :20 mA
Accelerator
Ns :4x1012 n/s
Rotating T-Target
Ns :3x1011 n/s
Fixed T-Target
Target Room IN Target Room II
FNS AcceleratorType: Cockcroft-WaltonAcceleration voltage : 400 kV (Max)Beam Current : 20 mA (Max)
Beam ion : D+
Ion source: Bucket type
Target Room I (80° beam line)
Target room I is used mainly for blanket neutronics experiments, cross-section measurements and detector developments.
Fixed T target: 3.7 1011 Bq Neutron yield: 31011 neutron/s
Blanket Neutronics Experiment
Target Room II (0° beam line)
Target room I is used mainly for material irradiation tests and activation cross section e measurements.
Rotating target ( 3.7 1013 Bq )Neutron yield:41012 neutron/s
Pencil Beam line
Pencil beam line from Target room II is used mainly for charged particle emission cross section measurements.
FNS Rotatingtritium target(TiT target 37TBq)
D+ beam350 keV, ~20mA
Pre-collimator
Shield wall
2nd Target room
Accelarator Room
F.C.Th-232
Shield wall
Collimator assembly
1st Target room at JAERI/FNS
F.C.U-238
Experimental chamber
Step-backshielding door
Experimental movable deck
1.8 m 2.0 m
Charged-particle emission cross section measurement
Emitted charged-particles are measured with a E-E counter telescope.
R.P.
PA
PA
FFA SSA CFT/SCA GDG
DA
LG
SSA CFT/SCA GDG
DA ADC
ADC
2D-MCA
DLA ADC
PA
Fission Chamber U-238
MCA
Si-SBD E-E counter telescope
Movable
Ta-window ~ 0.5mm
Sampels
D-T neutronbeam
Experimental chamber
R.P.
PA
PA
FFA SSA CFT/SCA GDG
DA
LG
SSA CFT/SCA GDG
DA ADC
ADC
2D-MCA
DLA ADC
PA
Fission Chamber U-238
MCA
Si-SBD E-E counter telescope
Movable
Ta-window ~ 0.5mm
Sampels
R.P.
PA
PA
FFA SSA CFT/SCA GDG
DA
LG
SSA CFT/SCA GDG
DA ADC
ADC
2D-MCA
DLA ADC
PA
Fission Chamber U-238
MCA
Si-SBD E-E counter telescope
Movable
Ta-window ~ 0.5mm
Sampels
D-T neutronbeam
Experimental chamber
9Be(n, CP) cross section
Charged-particle spectrum emitted from beryllium
Measured spectrum for Be-9(n,CP) reactions at 45deg.
0
2
4
6
8
10
12
0 0.5 1 1.5 2 2.5 3
Energy depletion for ΔE detector [MeV]
Ener
gy d
eple
tion
for
E de
tect
or [
keV]
-spectrum
Triton spectrum
Charged-particle spectrum emitted from beryllium
Measured spectrum for Be-9(n,CP) reactions at 45deg.
0
2
4
6
8
10
12
0 0.5 1 1.5 2 2.5 3
Energy depletion for ΔE detector [MeV]
Ener
gy d
eple
tion
for
E de
tect
or [
keV]
-spectrum
Triton spectrum
0.01
1
100
104
106
108
1010
1012
0 2 4 6 8 10 12 14
15deg
30deg
45deg
70deg
105deg
135deg
DD
X [
mb/
sr/M
eV]
-particle energy [MeV]
ENDF/B-IV
× 1010
× 108
× 106
× 104
× 102
DDX of 9Be(n,x) reaction
9Be(n, CP) cross section
JENDL3.3
ENDF/B-VI
1
10
100
1000
-1 -0.5 0 0.5 1
Experiment
AD
X [
mb/
sr]
Scattering angle [cos unit]
Angular differential cross section
(ADX) of 9Be(n,xa) reaction
0
1
2
3
4
0 0.2 0.4 0.6 0.8 1
9Be(n,t)
[cosine unit]
DDX and ADX of 9Be(n,t) reaction
DDX for 19F(n,xp) reactions
0.01
0.1
1
10
0 2 4 6 8 10 12
Energy of emitted proton [MeV]
DD
X [m
b/sr
/MeV
]
Measured
JENDL-3.3
G.S.
1.4722.372
30deg.
3.154
3.944
0.1
1.1
2.1
3.1
4.1
5.1
6.1
7.1
8.1
9.1
10
.1
30deg
50deg
70deg
90deg110deg130deg150deg
0.1
1
10
DD
X [m
b/s
r/M
eV
]
Energy of emitted proton [MeV]
DDX for 19F(n,d) reactions
0.01
0.1
1
10
0 2 4 6 8 10
Energy of emitted deuteron [MeV]
DD
X [m
b/sr
/MeV
]Measured
JENDL-3.3
G.S.1.98230deg
.3.63
5.10
6.40
19F(n,d)
0.1
1.1
2.1
3.1
4.1
5.1
6.1
7.1
8.1
9.1
10.
1
30deg
50deg
70deg
90deg
110deg130deg150deg
0.1
1
10
DD
X [m
b/s
r/M
eV]
Energy of emitted deuteron [MeV]
DDX for 19F(n,t) reaction0
.1
1.1
2.1
3.1
4.1
5.1
6.1
7.1
8.1
9.1
30deg
50deg
70deg
90deg
110deg
130deg
150deg
0.01
0.1
1
10
DD
X [m
b/s
r/M
eV
]
Energy of emitted triton [MeV]
0.01
0.1
1
10
0 2 4 6 8
Energy of emitted triton [MeV]
DD
X [m
b/s
r/M
eV
]
Measured
JENDL-3.3
G.S.
0.87130deg. 3.843
3.055
1.9?
Comparison of TOXs for 19F(En = 14.2MeV)
Present JENDL-3.3 ENDF-B/VI
(n,xp)(>1.3MeV)
73.5±4.4 mb 59.2mb 75.4mb
(n,d)(>1.5MeV)
25.9±3.6 33.4 22.4*
(n,t)(>1.7MeV)
9.4±1.2 14.8 13.3*
(n,x)(>3.3MeV)
217.2±11.5 334.3 203.3
TIARA Facility
AVF cyclotron
AVF cyclotron Beam
(particle & energy)
Lighit Ion enegy[MeV] Heavy Ion enegy[MeV]p 10 90~ C 75, 220, 320d 10 50~ N 67He 20, 30, 50, 100, 108 O 100, 160, 225, 335
Ne 120, 200, 260, 270, 350Ar 175, 195, 330, 460
Deuteron induced activation cross section measurement
AVF cyclotron accelerator
LA1 station
Experiment chamber
LA1 beam lineDeuteron 40MeV, 0.1A
Stack foil method was used on the irradiation experiments
Deuteron beam
Al-sheet (0.1mm)
Stacked sample foilsStack folder
TIARA-LA1 port
Foil size:1cm X 1cm square
Pressure<105 Pa
purity thicknessAl 99.99% 200μmV 99.8 % 25μmFe 99.95 % 50μmNi 99 % 20μmCu 99.99 % 25μmTa 99.95% 10μmW 99.95% 20μm
Cooling water
Measured d-induced activation cross sections
・ 27Al(d,2p)27Mg 、 27Al(d,x)22,24Na・ 51V(d,4n)49Cr ・ natFe(d,x)55,56Co ・ natNi(d,x)60,61Cu ・ natCu(d,x)62,63Zn, 61,64Cu ・ 181Ta(d,x)178,180Ta・ natW(d,x)181-183,186Re
Present results have been compared with the previous data in EXFOR and the evaluated data of ACCELAM which is calculated with ALICE-F.
Result of 27Al(d, x ) 22Na Present result agrees with previous data. ACCSELAM values underestimate by factor 3-6.
1.0E-02
1.0E-01
1.0E+00
1.0E+01
1.0E+02
0 5 10 15 20 25 30 35 40 45 50
Deuteron Energy [MeV]
Cro
ss S
ectio
n [m
b]
PresentMartens('70)Michel('82)Takacs('01)ACSELAM
T1/ 2=2.6year
Result of natNi(d,x)61Cu
1.0E+00
1.0E+01
1.0E+02
1.0E+03
0 5 10 15 20 25 30 35 40 45 50Deuteron Energy [MeV]
Cro
ss S
ectio
n [m
b]
PresentTakacs('01)ACSELAM
T1/ 2=3.3hour
Present result agrees with previous data. ACCSELAM values overestimate by factor 3.
Result of natCu(d,x)61Cu
1.0E-01
1.0E+00
1.0E+01
1.0E+02
1.0E+03
0 5 10 15 20 25 30 35 40 45 50Deuteron Energy [MeV]
Cro
ss S
ectio
n [m
b]
PresentFulmer ('70)ACSELAM
T1/ 2=3.3hour
Fulmer’s data agree with ACCSELAM values . Present data are factor 3 smaller than ACCSELAM values.
Result of 181Ta(d,x)178Ta
1.0E-01
1.0E+00
1.0E+01
1.0E+02
0 5 10 15 20 25 30 35 40 45 50Deuteron Energy [MeV]
Cro
ss S
ectio
n [m
b]
PresentACSELAMBisplinghoff ('74)
T1/ 2=2.4hour
Experimental data in the energy range of <40MeV were obtained. ACCSELAM values overestimate by factor 2-6.
7Li(p,n) quasi-monochromatic neutron source of TIARA
Energy spectra of 7Li(p,n) quasi-monochromatic neutron source
Future plan in 2005 and 2006
FNS(14 MeV enutrons) Charged particle emission cross section me
asurements for light nuclei (Li, C, etc.) TIARA AVF Cyclotron (D+ beam)
D-induced activation measurements for structural material such as RAFM (F82H) and SS316.
TIARA AVF Cyclotron (Li(p,n) neutrons)