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)