CC

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usi

on r

ese

arc

h a

rm o

f th

e U

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om

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mic

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erg

y A

uth

ori

ty

Dev

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en

t o

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no

sti

cs

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ev

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no

sti

cs

fo

r

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sio

n

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sio

n α αααα ααα

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icle

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n J

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art

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n J

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teri

um

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12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

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0 S

ep 2

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ust

in, T

exa

s, U

SA

2

Ac

kn

ow

led

ge

me

nts

Ac

kn

ow

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ge

me

nts

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eci

l,F

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eci

l,11P

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eaum

ont,

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ont,

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elli

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onro

y,S

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onro

y,4

,54

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. C

raci

unesc

u,

T. C

raci

unesc

u,66

M. G

arc

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arc

ia-- M

unoz,

Munoz,

77M

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uru

ia,

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Curu

ia,88

D.

Darr

ow

,D

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.Elli

s,R

.Elli

s,99

G. E

rics

son,

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rics

son,55

L. G

iaco

melli

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orini,

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gto

n,

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12

12

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on T

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inch

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anta

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ppendix

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. R

om

anelli

Rom

anelli

et al.,

Pro

ceedin

gs

of th

e 2

3rd

IA

EA

Fusi

on E

nerg

y C

onfe

rence

et al.,

Pro

ceedin

gs

of th

e 2

3rd

IA

EA

Fusi

on E

nerg

y C

onfe

rence

2010,

2010,

Daeje

on

Daeje

on

, K

ore

a, K

ore

a

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

3

Co

nte

nts

Co

nte

nts

1.

1.

Intr

oduct

ion

Intr

oduct

ion

Wh

at d

o w

e w

an

t to

mea

sure

?

2.

2.

Fusi

on

Fusi

on α αααα ααα

-- part

icle

part

icle

sourc

eso

urc

edia

gn

ost

ics

dia

gn

ost

ics

2.1

N

eu

tro

n a

nd

γ γγγ-r

ay

em

issi

on p

rofil

es

2.2

N

eu

tro

n s

pect

rom

etr

y

3.

3.

Co

nfin

ed

Co

nfin

ed α αααα ααα

-- part

icle

part

icle

dia

gn

ost

ics

dia

gn

ost

ics

3.1

γ γγγ-r

ay

dia

gn

ost

ics

3.2

N

eu

tra

l Pa

rtic

le A

na

lyse

rs

4.

4.

Esc

ap

ed

Esc

ap

edα αααα ααα

-- part

icle

part

icle

dia

gn

ost

ics

dia

gn

ost

ics

4.1

S

cin

tilla

tor

Pro

be

4.2

α

-part

icle

co

llect

ors

5.

5.

Sum

mary

Sum

mary

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

4

Intr

od

uc

tio

nIn

tro

du

cti

on

Wh

at

do

we w

an

t to

measu

re?

Wh

at

do

we w

an

t to

measu

re?

Fu

sio

n r

eac

tio

n r

ate

:F

us

ion

re

ac

tio

n r

ate

:

Neutr

on a

ndγ γγγ-

ray

dia

gnost

ics

Sp

ati

al

Sp

ati

al α αααα ααα

-- part

icle

dis

trib

uti

on

/ r

ed

istr

ibu

tio

n e

ffe

cts

:p

art

icle

dis

trib

uti

on

/ r

ed

istr

ibu

tio

n e

ffe

cts

:

Neutr

on a

ndγ γγγ-

ray

dia

gnost

ics

α αααα ααα-- p

art

icle

pa

rtic

leee

ne

rgy d

istr

ibu

tio

ns:

ne

rgy d

istr

ibu

tio

ns:

γ γγγ-ra

y and n

eutr

on s

pect

rom

etr

y, n

eutr

al p

art

icle

ana

lyse

r

α αααα ααα-- p

art

icle

pa

rtic

lesslo

win

g d

ow

n

low

ing

do

wn

&c

on

fin

em

en

t:c

on

fin

em

en

t:

γ γγγ-ra

y dia

gnost

ics

α αααα ααα-- p

art

icle

lo

ss

es:

pa

rtic

le lo

ss

es:

Sci

ntil

lato

r P

robe,

Fara

da

y C

ups

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

5

Intr

od

uc

tio

nIn

tro

du

cti

on

DD-- T

fu

sio

n p

ow

er

pro

gre

ss i

n J

ET

T f

usio

n p

ow

er

pro

gre

ss i

n J

ET

�1991 –

JET

JET

–1.7

MW

(10%

T; 10M

W h

eatin

g)

�1997 –

JET

JET

–16M

W (

50%

T; 22M

W h

eatin

g)

��201

x201

xJE

TJE

Tup t

o 2

0M

W (

50%

T;

35M

W h

eatin

g,

Be-w

all)

A p

oss

ible

sch

edule

for

DT

exp

erim

ent

H. W

eis

en

one y

ear

cam

paig

n

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

6

Intr

od

uc

tio

nIn

tro

du

cti

on

Main

go

als

of

the n

ext

DT

exp

eri

men

ts:

Main

go

als

of

the n

ext

DT

exp

eri

men

ts:

•F

ue

l re

ten

tion, m

ate

ria

l ero

sio

n, m

igra

tion

an

d d

ust

(co

nta

inin

gT

)

with

IT

ER

ITE

R-- l

ike

wa

lllik

e w

all

(Be-t

iles)

•A

ssess

men

t o

f is

oto

pe

mass

effect

s on

:

-acc

ess

to

H-m

od

e

-

ed

ge

pe

dest

al c

hara

cteri

stic

s, E

LM

sa

nd

th

eir m

itig

atio

n.

-

“hyb

rid

” sc

en

ari

os

••T

est

of IC

RF

sce

nari

os

for

he

atin

g o

f D

T p

lasm

as

Te

st o

f IC

RF

sce

nari

os

for

he

atin

g o

f D

T p

lasm

as

(see K

aza

kov’

spost

er)

••S

tud

y o

f a

lpha

part

icle

be

ha

vio

ur.

Stu

dy

of a

lpha

part

icle

be

ha

vio

ur.

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

7

Intr

od

uc

tio

nIn

tro

du

cti

on

Ab

ou

t A

bo

ut

90

90

dia

gn

os

tics

on

JE

T,

dia

gn

os

tics

on

JE

T, 99

will b

e d

isc

uss

ed

he

re

will b

e d

isc

uss

ed

he

re

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

8

Fu

sio

n a

lph

a s

ou

rce

Fu

sio

n a

lph

a s

ou

rce

dia

gn

osti

cs

dia

gn

osti

cs

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

9

Fu

sio

n a

lph

aF

us

ion

alp

ha

-- pa

rtic

le s

ou

rce

pa

rtic

le s

ou

rce

α αααα ααα-- p

art

icle

so

urc

ep

art

icle

so

urc

eca

n b

e m

easu

red

by

means

of

dete

ctio

n o

f n

eu

tro

ns

neu

tro

ns

fro

m

D+

T =

D

+T

= α αααα ααα

+

+ nn

react

ion

or

with

gam

mas

gam

mas

fro

m r

adia

tion c

aptu

re f

usi

on r

eact

ions

–a b

ranch

of

the m

ain

fusi

on

react

ions

D +

T

D +

T →→

55H

e +

H

e +

γγand D

+

D +

33H

e

He

→→55L

i +

L

i +

γγ

The b

ranch

ing r

atio

is s

mall:

Neve

rthele

ss,

the γ

-ra

y p

rofil

e m

easu

rem

ents

are

feasi

ble

for

the I

TE

R-lik

e r

eact

ors

.

()

()

()

()

51

05

−×

≈+

≈+

pn

ασ

γσ

ασ

γσ

24

68

10

12

1416

18

20

100

101

102

103

D(3

He

,γ)5

Li

2p

1/2

2p

3/2

#72

63

1, D

-NB

I

#73

20

6, 3

He-m

ino

rity

dN /dE

E(M

eV

)

The g

am

ma

-ra

y sp

ect

ra r

eco

rded

in t

he J

ET

dis

charg

e w

ith 3

He-m

inority

heatin

g o

f th

e D

-pla

sma

and N

BI

heatin

g

2 b

road

peaks

a

re r

ela

ted t

o D

+ 3

He →

5Li +

γre

act

ion

with

diff

ere

nt

final s

tate

s in

5Li n

ucl

eus.

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

10

Fu

sio

n a

lph

a s

ou

rce

dia

gn

os

tic

sF

us

ion

alp

ha

so

urc

e d

iag

no

sti

cs

2.1

. 2.1

. N

eu

tro

n /

Neu

tro

n / γγ

-- ra

yra

yem

issio

n p

rofi

les

em

issio

n p

rofi

les

JG01.405-1c

Vert

ical cam

era

Dete

cto

r box

Dete

cto

r

box

Rem

ote

ly

contr

olle

d

colli

mato

rs

#19

#19

#10

#10

#1

#11

#11

#1

Horizonta

l

cam

era

4450

34456055 7

620

Tw

o c

am

era

sT

wo c

am

era

s

Vert

ical:

9

lines-

of-

sight

Horizo

nta

l: 1

0lin

es-

of-

sight

Fan-s

haped a

rra

y o

f re

mo

tely

adju

stable

colli

mato

rs

with

tw

o a

pert

ure

s (Ø

10

& 2

1 m

m)

for

a b

road

dyn

am

ic r

ange o

f neutr

on r

ate

Space

reso

lutio

n:

~8

(o

r ~

15)c

m (

in t

he c

entr

e)

Dete

ctors

:

-N

E213

liquid

sci

ntil

lato

rs (

2.5

& 1

4 M

eV

)

-B

icro

n-4

18

pla

stic

scin

tilla

tors

(14 M

eV

)

-C

sI(T

l)pho

to-d

iodes

(ha

rdX

-ra

ysand γ

-ra

ys)

Dete

ctors

are

abso

lute

ly c

alib

rate

d

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

11

Fu

sio

n a

lph

a s

ou

rce

dia

gn

os

tic

sF

us

ion

alp

ha

so

urc

e d

iag

no

sti

cs

Off-a

xis

T-b

eam

ne(0

)≈1.8

x10

-19

m-3

2.1

. 2.1

. N

eu

tro

n e

mis

sio

n p

rofi

les:

Neu

tro

n e

mis

sio

n p

rofi

les:

tra

ce

tri

tiu

m e

xp

eri

men

tstr

ac

e t

riti

um

ex

pe

rim

en

ts

kip

61046 2

2.6

20000

2.0

2.5

3.0

3.5

-1.0

0.0

1.0

2.0

R (

m)

Z (m)

x10 m

s

15

-3-1

0.0

0.5

1.0

1.5

2.0

LCI

More

α-s

ourc

e d

ata

inhttp://u

sers

.jet.efd

a.o

rg/p

ages/

dt-

task

-forc

e/p

ages/

TT

E_A

lphaS

ourc

es_

Kip

tily/

Alp

haS

ourc

es_

Table

.htm

3T

/1M

A2.2

T/2

MA

3T

/1M

A

14

14

-- MeV

ne

utr

on

M

eV

ne

utr

on

pro

file

pro

file

measu

rem

en

ts i

n t

he

m

easu

rem

en

ts i

n t

he

mo

no

ton

ic c

urr

en

tm

on

oto

nic

cu

rre

nt

dis

ch

arg

es

d

isch

arg

es

wit

h

wit

h TT

-- NB

IN

BI

bli

ps

bli

ps

On-a

xis

T-b

eam

ne(0

)≈4.4

x10

-19

m-3

Off-a

xis

T-b

eam

ne(0

)≈1.8

x10

-19

m-3

Off-a

xis

T-b

eam

ne(0

)≈4.5

x10

-19

m-3

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

12

Fu

sio

n a

lph

a s

ou

rce

dia

gn

os

tic

sF

us

ion

alp

ha

so

urc

e d

iag

no

sti

cs

2.1

. 2.1

. N

eu

tro

n /

Neu

tro

n / γγ

-- ra

yra

yem

issio

n p

rofi

les:

em

issio

n p

rofi

les:

cam

era

s i

mp

rovem

en

tscam

era

s i

mp

rovem

en

ts

�F

ast

dig

ital D

ata

Acq

uis

ition s

yste

m(D

AQ

) fo

r N

E213-

and C

sI-d

ete

ctor

arr

ays

base

d o

n F

PG

A*

�dig

ital n

-γse

para

tion

repla

ced t

he P

uls

e-S

hape D

iscr

imin

ato

rs f

or

NE

213

�fa

stP

uls

e H

eig

ht

Analy

sis

(PH

A)

for

CsI

-dete

ctors

; re

cord

ing s

pect

ra (

old

sy

stem

: 4 e

nerg

y w

ind

ow

s on

ly!)

; h

igh c

ount-

rate

�dig

ital a

nti

pile

-up s

yste

m

�R

em

ova

ble

ne

utr

on a

ttenuato

rs(H

2O

) in

stalle

d f

or

γ-ra

y pro

file

measu

rem

ents

: S

igna

l/Back

gro

und r

atio

impro

vem

ent

�F

usi

on y

ield

measu

rem

ents

�C

alib

ratio

nof

neutr

on

counte

rs w

ith 2

52C

f so

urc

e

-2012

: acc

ura

cy ~

10

% o

r bett

er

�C

alib

ratio

n o

f n

eutr

on

counte

rsw

ith a

DT

neutr

on g

enera

tor

is p

lanned b

efo

re D

T

cam

paig

n:

goal i

s 10%

acc

ura

cy

*A

Fie

ld-p

rogra

mm

able

Gate

Arr

ay

is a

n in

tegra

ted c

ircu

it desi

gned to b

e c

onfig

ure

d b

y th

e c

ust

om

er

aft

er

manufa

cturing

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

13

Fu

sio

n a

lph

a s

ou

rce

dia

gn

os

tic

sF

us

ion

alp

ha

so

urc

e d

iag

no

sti

cs

2.2

. N

eu

tro

n s

pectr

om

etr

y

2.2

. N

eu

tro

n s

pectr

om

etr

y

(s

ee C

. H

ell

esen

po

ste

r P

1.1

2)

(see C

. H

ell

esen

po

ste

r P

1.1

2)

Mag

neti

cP

roto

n R

eco

il U

pg

rad

ed

sp

ectr

om

ete

r fo

r D

D-

or

DT

-neu

tro

ns

ph

osw

ich

ho

do

scope

Go

al:

Go

al:

measu

rem

ents

of

pla

sma t

em

pe

ratu

re(s

tead

y st

ate

) and e

nerg

y dis

trib

utio

nof

th

e f

uel i

ons

(heatin

g);

ca

pabili

ty o

fn

D/n

T m

easu

rem

en

ts

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

14

Fu

sio

n a

lph

a s

ou

rce

dia

gn

os

tic

sF

us

ion

alp

ha

so

urc

e d

iag

no

sti

cs

2.2

. N

eu

tro

n s

pectr

om

etr

y:

2.2

. N

eu

tro

n s

pectr

om

etr

y:

MP

Ru

me

as

ure

me

nts

MP

Ru

me

as

ure

me

nts

(a)

O

hm

ic p

hase

–th

erm

al T

i ext

ract

ed

(b)

IC

RH

phase

–is

otr

opic

, anis

otr

opic

HE

com

pon

ents

Ohm

ic a

nd

IC

RF

he

atin

g o

f D

T p

lasm

as:

fusi

on

sourc

e c

om

po

ne

nts

MP

Ru

main

featu

res:

MP

Ru

main

featu

res:

•A

bso

lute

calib

ratio

n

•H

igh im

munity

to b

ack

gro

und

14

-MeV

nin

DT

: S

/B >

20000

2.5

-MeV

nin

DD

: S

/B >

10

•2

.5-4

.5%

reso

lutio

n @

14 M

eV

•flu

x e

ffic

iency

~ 1

0-4

cm2

•D

AQ

: co

unt-

rate

>>

MH

z

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

15

Fu

sio

n a

lph

a s

ou

rce

dia

gn

os

tic

sF

us

ion

alp

ha

so

urc

e d

iag

no

sti

cs

2.2

. N

eu

tro

n s

pectr

om

etr

y:

2.2

. N

eu

tro

n s

pectr

om

etr

y:

α αααα ααα-- k

no

ck

kn

oc

k-- o

no

nm

ea

su

rem

en

ts w

ith

MP

Ru

m

ea

su

rem

en

ts w

ith

MP

Ru

--

α αααα ααα-- p

art

icle

po

pu

lati

on

part

icle

po

pu

lati

on

is b

uild

ing u

p a

su

pra

therm

al D

and T

ion c

om

pon

ents

thro

ugh k

nock

-on c

olli

sio

ns⇒

we

ak

hig

h-e

nerg

y ta

il in

the

neutr

on e

mis

sion

spect

ra (

AK

N)

•12 J

ET

NB

I dis

charg

es

with

Yn

≈4 x

10

18

n/s

•M

PR

count ra

te o

f C

n≈

4 x

10

5 n

/s,

•T

he tota

l neutr

on y

ield

: 3 x

10

19

•M

PR

data

base

consi

sts

of 3 x

10

6eve

nts

•T

he s

pect

ral r

egio

n o

f A

KN

obse

rvatio

n

(RO

) is

lim

ited to the h

igh e

nerg

y ta

il of 150

eve

nts

Kalln

eet al P

RL 8

5 (

2000)

1246

RO

15.5 MeV

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

16

Fu

sio

n a

lph

a s

ou

rce

dia

gn

os

tic

sF

us

ion

alp

ha

so

urc

e d

iag

no

sti

cs

2.2

. N

eu

tro

n s

pectr

om

etr

y:

2.2

. N

eu

tro

n s

pectr

om

etr

y:

co

mp

ac

t s

pe

ctr

om

ete

r b

as

ed

on

co

mp

ac

t s

pe

ctr

om

ete

r b

as

ed

on

NE

21

3N

E2

13

Spect

rom

ete

r is

equip

ped w

ith a

dig

ital p

uls

e s

hape

dis

crim

inatio

nacq

uis

ition s

yste

m f

or

n/γ

separa

tion.

Puls

eH

eig

ht

Spect

ra u

p t

o t

ota

l count

rate

s of ∼

10

6s-

1.

Energ

y re

solu

tion

(aft

er

PH

Sunfo

ldin

g):

14 M

eV

neutr

ons

< 2

%

2.5

MeV

neu

trons

< 4

%

F.

Be

lli,

Fra

sca

ti

Hig

h N

BI po

we

r

Lo

w N

BI

po

we

r

A s

imila

r sp

ect

rom

ete

r w

ith a

vert

ical f

ield

of

view

is p

ropose

d

ITE

R r

ele

vant

com

pact

neutr

on

sp

ect

rom

ete

r !

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

17

Fu

sio

n a

lph

a s

ou

rce

dia

gn

os

tic

sF

us

ion

alp

ha

so

urc

e d

iag

no

sti

cs

2.3

. N

eu

tral P

art

icle

An

aly

sers

2.3

. N

eu

tral P

art

icle

An

aly

sers

The N

PA

measu

res

the li

ne in

tegra

ted

ene

rgy

dis

trib

utio

n f

unct

ion

and f

luxe

s.

Neutr

als

are

genera

ted

via

CX

pro

cess

es

with

bulk

and im

purity

ions.

Carb

on f

oils

(300

Å)

re-ioniz

e t

he n

eutr

als

.

Acc

ele

ratio

npro

vide b

oost

to in

crease

dete

ctio

n e

ffic

iency

of

low

ene

rgy

neutr

als

and t

o in

crease

sig

nal t

o n

ois

e

ratio

.

Mom

entu

m s

epa

ratio

n v

ia B

fie

ldM

ass

separa

tion v

ia E

fie

ld.

CX neutrals

ions

carbon

stripping

foilaccelerating HV

magnet

electrostatic

plates

H

D

TCsI (Tl) + PMT

Pre-amplifiers

ADCs

CODAS/JPF

plasma

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

18

Fu

sio

n a

lph

a s

ou

rce

dia

gn

os

tic

sF

us

ion

alp

ha

so

urc

e d

iag

no

sti

cs

2.3

. N

eu

tral P

art

icle

An

aly

ser:

2.3

. N

eu

tral P

art

icle

An

aly

ser:

DD

00a

nd

Ta

nd

T00

dis

trib

uti

on

sd

istr

ibu

tio

ns

Z = 0.28 m

A

B

C

D

Low

-energ

y N

PA

measu

res

sim

ulta

neousl

yth

e e

nerg

y dis

trib

utio

n funct

ion o

f neutr

al H

, D

and T

in the e

nerg

y ra

nge 5

–740 k

eV

.

•D

/ T

ratio

measu

rem

en

ts in

the p

lasm

a c

ore

•IC

RH

heatin

g e

ffic

iency

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

19

Co

nfi

ned

C

on

fin

ed

α αααα ααα-- p

art

icle

p

art

icle

dia

gn

osti

cs

dia

gn

osti

cs

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

203.1

. N

eu

tral P

art

icle

An

aly

ser:

3.1

. N

eu

tral P

art

icle

An

aly

ser:

α αααα ααα

-- pa

rtic

lep

art

icle

me

as

ure

me

nts

me

as

ure

me

nts

R = 3.07 m

A

B

C

D

High-Energy NPAmeasures the energy distribution function of neutral

H, D, T, 3Heand4He in the energy range0.3 –4 MeV.

Si-dete

ctors

will

be in

stalle

dfo

r bett

er

dis

ting

uis

hin

g D

an

d α

’s!

NP

A

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

21

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

3.1

. N

eu

tral P

art

icle

An

aly

ser

3.1

. N

eu

tral P

art

icle

An

aly

ser

α αααα ααα-- p

art

icle

part

icle

measu

rem

en

t p

rob

lem

measu

rem

en

t p

rob

lem

�4H

e+

+and D

+ca

n n

ot

be d

istin

guis

hed b

y N

PA

�4H

e+

and 4

He

++

ion f

ract

ions

in t

he C

arb

on s

trip

pin

g f

oil

are

equal

in t

he r

ang

e ~

0.6

–0.8

MeV

�D

ete

ctio

n o

f 4H

e+

inst

ead o

f 4H

e+

+is

use

d f

or α

-part

icle

measu

rem

ents

for

E <

1 M

eV

�C

sI(T

l) s

cintil

lato

rsw

ill b

e r

epla

ced b

yS

i-d

ete

ctor

arr

ay:

hig

h

reso

lutio

n d

ete

ctio

n o

f 4H

e+-io

ns

pro

vid

es

relia

ble

He/D

dis

ting

uis

hin

g

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

223.1

. N

eu

tral P

art

icle

An

aly

ser:

3.1

. N

eu

tral P

art

icle

An

aly

ser:

44H

e a

cc

ele

rati

on

ex

pe

rim

en

tsH

e a

cc

ele

rati

on

ex

pe

rim

en

ts

02

00

400

60

080

010

2

10

3

10

4

10

5

10

6

10

7

KR

2

Neutral flux, rel.un.

4H

e0 E

nerg

y, k

eV

KF

1

NB

I4+

NB

I8

# 7

91

71

Hig

h-E

nerg

y N

PA

(KF

1)a

nd

Low

-Energ

y N

PA

(KR

2)

da

ta a

re n

orm

aliz

ed

at

the

ene

rgy

~ 2

00 k

eV

V.

Afa

na

sie

v, I

off

e

4H

e0

neutr

al h

as

been m

easu

red

dete

ctin

g 4

He

+

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

233.2

. G

am

ma

3.2

. G

am

ma

-- ra

y d

iag

no

sti

cs:

ray d

iag

no

sti

cs: α αααα ααα

-- pa

rtic

le m

eas

ure

me

nts

pa

rtic

le m

eas

ure

me

nts

99B

e(

Be( α αααα ααα

,n,nγ γγγγ γγγ

))12

12C

re

acti

on

C

reacti

on

12

34

56

γ γγγ

4.4

4 M

eV

γ γγγ

3.2

1 M

eV

Cross section

Alp

ha-p

art

icle

en

ergy

, MeV

9B

e+

α→

13C

* →

12C

*→

12C

nγ

The n

ucl

ear

react

ion b

etw

een fast

αand 9

Be im

purity

leads

to:

�E

xcita

tion o

f hig

h-e

nerg

y le

vels

in 1

3C

*nucl

eus

�D

e-e

xcita

tion b

y em

ittin

g n

eutr

ons

with

popula

tion o

f th

e

low

-lyi

ng le

vels

in 1

2C

*

�F

urt

her

de-e

xcita

tion b

y γ3

.21 M

eV

and γ

4.4

4 M

eV

to the

gro

und s

tate

of

12C

nucl

eus:

•γ4

.44 M

eV

(E

leve

l =4.4

4 M

eV

) are

pro

duce

d

by α

’s w

ith E

α>

1.7

MeV

•γ3

.21 M

eV

(E

leve

l =7.6

5 M

eV

) are

pro

duce

d

by α

’s w

ith E

α>

4 M

eV

Q(

9B

e +

α ααα -

n ) =

5.7

0 M

eV

γn

9B

e +

α ααα

1

3 C*

12

C*

12 C

n0n1

γ γγγ

0+

7.6

5

1.7

0

γ γγγ

n2

15.1

1

Jπ πππ

EL, M

eV

0+

2+

4.4

4

0

Eα ααα, M

eV

13.

76

11

.97

10

.65

12C

9B

e +

α ααα

Be-c

once

ntr

atio

n p

rofil

eis

needed f

or

abso

lute

me

asu

rem

ents

CX

could

pro

vide 5

-20

% a

ccura

cy C

on

fin

ed

C

on

fin

ed

α αααα ααα-- p

art

icle

p

art

icle

dia

gn

os

tic

sd

iag

no

sti

cs

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

243.2

. G

am

ma

3.2

. G

am

ma

-- ra

y d

iag

no

sti

cs:

ray d

iag

no

sti

cs:

tt ra

ce

tri

tiu

m e

xp

eri

me

nts

rac

e t

riti

um

ex

pe

rim

en

ts

γ-ra

y sp

ect

ra r

eco

rded w

ith B

GO

Rela

xatio

n o

f 4.4

4-M

eV

γ-r

ay

inte

nsi

ty a

fte

r th

e T

-blip

was

measu

red.

Tim

eT

ime

-- reso

luti

on

~ 5

0 m

s i

s r

eq

uir

ed

reso

luti

on

~ 5

0 m

s i

s r

eq

uir

ed

Kip

tily

et a

l., P

RL 9

3 (

2004)

115001

Rela

xatio

n o

f 4.4

4-M

eV

γ-r

ay

em

issi

on

and d

ensi

ty o

f fa

st a

lphas

(E>

1.7

MeV

) dependin

g o

n t

he v

alu

e o

f S

pitz

er

slow

ing-d

ow

n t

ime

Yavo

rski

j et al N

F50

(2010)

025002

9B

e(α

,nγ)

12C

γ4.4

4 M

eV

Tim

e (

s)

JG04.186-2c

0

0.2

0.4

0.6

0.8

1.0

1.2 0

.51.0

1.5

2.0

2.5

4.44-

MeV g

am

ma-r

ays:

Pul

se N

o.61

044

Pul

se N

o.61

048

DT-n

eutron r

ate

T-b

lip

Normalised intensity, a.u.

1-D

Fokker-

Pla

nck m

odelli

ng

Co

ld p

las

ma

Ho

t p

las

ma

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

253.2

.3.2

.G

am

ma

Gam

ma

-- ra

y d

iag

no

sti

cs:

ray d

iag

no

sti

cs:

sp

ec

tro

mete

rss

pe

ctr

om

ete

rs

BG

O,

LaB

r 3,

NaI(

Tl)

:N

aI(

Tl)

:ene

rgy

reso

lutio

n, ∆

E/E

≈8%

Slo

w:

deca

y tim

e

~ 2

50 n

sD

igita

l Data

Acq

uis

ition s

yste

m a

llow

s up

to 1

MH

z P

HA

LaB

rL

aB

r 33(o

r B

rilL

anC

e):

∆E

/E ≈

3%

,D

eca

y tim

es

-<

20 n

s D

AQ

allo

ws

up t

o 2

MH

z P

HA

Hp

Ge

Hp

Ge

: ∆

E/E

≈0.3

%-

the D

opple

r bro

adenin

g

of

γ-lin

es

can b

e m

easu

red

!D

AQ

allo

ws

up t

o 0

.5 M

Hz

PH

A

Quasi

Quasi --tangential BGO

tangential BGO-- spectrometer:

spectrometer:

front

and r

ear

colli

mato

rs t

o im

pro

ve S

/B r

atio

BG

O,

NaI(

Tl)

,La

Br 3

,H

pG

e

New capabilities

New capabilities

BGO:

energ

y r

eso

lution, ∆E/E

≈14%

Best

dete

ctio

n e

ffic

iency

!Slo

w:

deca

y t

ime ~

300 n

s

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

263.2

. G

am

ma

3.2

. G

am

ma

-- ra

y d

iag

no

sti

cs:

ray d

iag

no

sti

cs:

ve

rtic

al s

pe

ctr

om

ete

rsve

rtic

al s

pe

ctr

om

ete

rs Neu

tro

n A

tte

nu

ato

rs

Neu

tro

n A

tte

nu

ato

rs

are

need

ed

to

red

uce

are

need

ed

to

red

uce

γγ-- r

ay b

ackg

rou

nd

ra

y b

ackg

rou

nd

Neu

tro

n a

tte

nu

ato

rs:

Neu

tro

n a

tte

nu

ato

rs:

poly

eth

ylene f

or

DD

and

6LiH

for

DT

measu

rem

ents

w

ill b

e u

sed

(a)

Concrete

shielding

PrecollimatorTOFOR

Coils

Horizontal

diagnostic

port

Upper vertical

diagnostic port

Support structure

and radiation shielding

Divertor region

Roof

laboratory

JG09.419-3a

Hp

Ge

Hp

Ge

La

Br

La

Br 33

Na

I(T

l)N

aI(

Tl)

Neu

tro

n

Neu

tro

n

att

en

ua

tors

att

en

ua

tors

γ

Sli

ders

Sli

ders

γ-s

pectr

om

ete

rs

Mezzan

ine

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

27

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

3.2

. G

am

ma

3.2

. G

am

ma

-- ra

y d

iag

no

sti

cs:

ray d

iag

no

sti

cs:

44H

e a

ccele

rati

on

exp

eri

men

tsH

e a

ccele

rati

on

exp

eri

men

ts

200

400

600

800

100

01

200

1400

160

01

800

2000

050

100

150

200

250

300

350

400

12C

(d,pγ)

13C

9 Be(α,nγ)

12 C

3.08

9 M

eV

4.43

9 M

eV

dN / dn

cha

nnel

nu

mb

er

170

017

50

1800

1850

2040609 B

e(α

,nγ)

12C

4.4

39 M

eV

dN / dn

Cha

nn

el n

um

ber

γ γγγγ γγγ --ra

y

ray s

pectr

um

reco

rded

wit

hs

pectr

um

reco

rded

wit

hH

pG

eH

pG

e-- dd

ete

cto

r:

ete

cto

r: D

op

ple

r b

roa

den

ing

D

op

ple

r b

roa

den

ing

4H

e-b

eam

ions

was

acc

ele

rate

d

by

ICR

F in

the 4

He-p

lasm

a

The D

opple

r bro

adenin

g d

ue to

nucl

ear

react

ions

betw

een 4

He

and

Be im

purity

has

been

measu

red for

ass

ess

ment

of

effect

ive “

tem

pera

ture

” <

T4

He>

:

∆E

γ≈

Eγ0

(VR/c

) co

s θ

Kip

tily

et al N

F50

(2010)

084001

VR

–re

coil

velo

city

whic

h is

depend o

n the 4

He-ion

velo

city

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

283.2

. G

am

ma

3.2

. G

am

ma

-- ra

y d

iag

no

sti

cs:

ray d

iag

no

sti

cs:

neu

tro

n a

tte

nu

ati

on

neu

tro

n a

tte

nu

ati

on

D 1

.7M

eV

4H

e 3

.5 M

eV

Chugunov

et al I

nst

rum

. and E

xp. T

ech

niq

ues

51

(2008)

166

JET

6LiH

-attenuato

r∅

30 x

300 m

m

Kip

tily

et al T

ech

Ph

ys 4

3 (

1998)

471

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

Neu

tro

n a

tten

uati

on

is

Neu

tro

n a

tten

uati

on

is a

key i

ssu

ea k

ey i

ssu

efo

r m

easu

rem

en

ts o

f fo

r m

easu

rem

en

ts o

f γγ-- r

ays i

n D

Tra

ys i

n D

T

6LiH

base

d n

eu

tron a

ttenuato

r is

most

eff

icie

nt

one

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

293.2

. G

am

ma

3.2

. G

am

ma

-- ra

y d

iag

no

sti

cs:

ray d

iag

no

sti

cs:

neu

tro

n a

tte

nu

ati

on

neu

tro

n a

tte

nu

ati

on

D,

4H

e

res

on

an

ce

D 1

.7M

eV

4H

e 3

.5 M

eV

020

00

400

06

000

80

00

100

00

10

10

0

100

0

Counts per Channel

Energ

y, k

eV

020

00

400

06

000

80

00

100

00

0

10

0

20

0

30

0

40

0

50

0

Counts per Channel

Tangentia

l BG

O-d

ete

ctor

with

PE

attenuato

r

Neutr

on-induce

dγ-

back

gro

und

Vert

ical B

GO

-dete

ctor

with

6LiH

attenuato

r

Te

st o

f

Te

st o

f 66

LiH

LiH

ne

utr

on a

tte

nu

ato

r on

JE

Tn

eu

tro

n a

tte

nu

ato

r on

JE

T

Chugunov

et al I

nst

rum

. and E

xp T

ech

niq

ues

51

(2008)

166

<=

R

efe

rence

spect

rum

mea

sure

ments

Neutr

on-i

nd

uce

d g

am

mas

in t

he r

ange

Eγ<

3 M

eV

(in

ela

stic

nucl

ear

scatt

ering in

dete

ctor)

suppre

ssed w

ith 6

LiH

att

enuato

rby

a f

act

or

of ≈

100

Gam

ma-r

ays

with

Eγ>

3 M

eV

suppre

ssed

with

6LiH

att

enuato

r by

a f

act

or

of

≈2

Eγ

Eγ

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

303.2

. G

am

ma

3.2

. G

am

ma

-- ra

y d

iag

no

sti

cs:

ray d

iag

no

sti

cs:

tan

de

m c

ollim

ato

rs f

or

BG

Ota

nd

em

co

llim

ato

rs f

or

BG

O

Sig

na

l-to

-back

gro

un

d im

pro

vem

ent

as

a f

irst

sta

ge in

the p

repara

tion t

o D

TE

2

BG

OB

GO

-- sp

ectr

om

ete

r w

as a

lread

y u

sed

fo

r sp

ectr

om

ete

r w

as a

lread

y u

sed

fo

r α αααα ααα

––p

art

icle

part

icle

me

asu

rem

en

ts

me

asu

rem

en

ts i

n T

TE

in T

TE

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

313.2

. G

am

ma

3.2

. G

am

ma

-- ra

y d

iag

no

sti

cs:

ray d

iag

no

sti

cs:

tan

de

m c

ollim

ato

rs f

or

BG

Ota

nd

em

co

llim

ato

rs f

or

BG

O

Top v

iew

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

Adva

nce

d n

eutr

on s

hie

ldin

g o

f th

e B

GO

-

dete

ctor

is a

pro

pose

d n

ext

sta

ge

:

signal-to

-back

gro

und im

pro

vem

en

t fo

rα

-

part

icle

measu

rem

ents

in D

TE

2

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

32

gap 63041 5

.000000

2.0

2.5

3.0

3.5

-1.0

0.0

1.0

2.0

R (

m)

Z (m)

x10 m

s

11

-3-1

0.0

1.0

2.0

3.0

4.0

5.0

LCI

gah 63041 7

.000000

2.0

2.5

3.0

3.5

-1.0

0.0

1.0

2.0

R (

m)

Z (m)

x10 m

s

11

-3-1

0.0

2.0

4.0

6.0

8.0

10.0

LCI

Tom

ogra

phic

reco

nst

ruct

ions

of

pro

files

measu

red in

diff

ere

nt

q-p

rofil

e p

hase

sof

the o

ptim

ised

shear

pla

sma d

isch

arg

e.

The m

on

oto

nic

q-p

rofil

e w

as

sett

led d

ow

n a

fte

r sa

wto

oth

crash

.

non-m

onoto

nic

q-p

rofil

em

onoto

nic

q-p

rofil

e

Kip

tily

et al N

F45

(2005)

L21

3.2

. 3.2

. γγ-- r

ay e

mis

sio

n p

rofi

le:

ray e

mis

sio

n p

rofi

le:

44H

e a

cc

ele

rati

on

ex

pe

rim

en

tsH

e a

cc

ele

rati

on

ex

pe

rim

en

ts

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

Eff

ect

of

mag

neti

c f

ield

to

po

log

y o

n

Eff

ect

of

mag

neti

c f

ield

to

po

log

y o

n γ γγγγ γγγ

-- ray i

mag

e o

f ra

y i

mag

e o

f 44H

eH

e-- i

on

sio

ns

In t

his

dis

cha

rge

Alfv

én

ca

sca

de

an

d r

eve

rse

-she

ar

saw

too

th in

sta

bili

ties

we

re

ob

serv

ed

ind

ica

ting a

non

-m

on

oto

nic

q-p

rofil

e.

r/ar/a

q=rB

t/RBp

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

333.2

.

3.2

. γγ

-- ra

y e

mis

sio

n p

rofi

le:

ray e

mis

sio

n p

rofi

le: α αααα ααα

-- pa

rtic

le r

ed

istr

ibu

tio

n m

eas

ure

me

nts

pa

rtic

le r

ed

istr

ibu

tio

n m

eas

ure

me

nts

VVe

rtic

al C

am

era

e

rtic

al C

am

era

ca

n b

e u

se

d f

or

ca

n b

e u

se

d f

or γγ-- r

ay

ray

em

iss

ion

pro

file

em

iss

ion

pro

file

in D

T d

isc

ha

ge

s w

ith

in

DT

dis

ch

ag

es

wit

h

up

to

10

up

to

10

17

17 n

/s !

n/s

!

Ap

pro

xim

ate

att

en

uati

on

facto

rs

Neutr

on

attenuato

rM

ate

rial

Neutr

on e

nerg

y

2.4

5

MeV

14.1

M

eV

Horizo

nta

lH

2O

10

215

Vert

ical

(norm

al)

H2O

10

2 (

*)15

Vert

ical

(long v

ers

ion)

H2O

10

410

2

(*) E

xpe

rim

en

tally

confir

med

on

a p

roto

type

Sch

em

e o

f th

e

Sch

em

e o

f th

e n

eu

tro

n a

tten

uato

rn

eu

tro

n a

tten

uato

rassem

bly

assem

bly

in t

he c

am

era

sin

th

e c

am

era

s

Ve

rtic

al

Ho

rizo

nta

l

V.L

. Z

oita

, M

EdC

V.L

. Z

oita

, M

EdC

Co

nfi

ne

d

Co

nfi

ne

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

34

Escap

ed

E

scap

ed

α αααα ααα-- p

art

icle

p

art

icle

dia

gn

osti

cs

dia

gn

osti

cs

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

35

Wh

at

to s

tud

y in

DT

?W

hat

to s

tud

y in

DT

?

Sci

ntil

lato

r P

robe

�F

irst

orb

it lo

sses

-α

-part

icle

sourc

e

�A

nom

alo

us

loss

es

(pitc

h-a

ng

le s

catt

er,

rip

ple

s…)

�M

HD

eff

ect

sEs

ca

pe

d

Es

ca

pe

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

364.1

. S

cin

tillato

r p

rob

e:

4.1

. S

cin

tillato

r p

rob

e:

in J

ET

in J

ET

Sci

ntil

lato

r P

robe

Baum

el S

. et al R

SI 75

(2004)

3563

Es

ca

pe

d

Es

ca

pe

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

374.1

. S

cin

tillato

r p

rob

e:

4.1

. S

cin

tillato

r p

rob

e:

basic

pri

ncip

leb

asic

pri

ncip

le

VV

ZB

mV

II1

cos−

⊥

=∝

θρ

Speci

es

ρ@

B=

3T

α ααα(3

.5 M

eV

)9.0

cm

P(3

.0 M

eV

)8.3

cm

T(1

.0 M

eV

)8.3

cm

3H

e(0

.82 M

eV

)3.8

cm

Gyr

o-r

adiu

s

Pitc

h-a

ng

le

Es

ca

pe

d

Es

ca

pe

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

38

Es

ca

pe

d

Es

ca

pe

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

4.1

. S

cin

tillato

r p

rob

e:

4.1

. S

cin

tillato

r p

rob

e:

orb

it s

imu

lati

on

orb

it s

imu

lati

on

Vie

w a

long t

ub

e a

xis

SP

dete

cts

ion

s w

ith

gyr

o-r

ad

ius

from

3 c

mto

14 c

m

pitc

h-a

ngle

fro

m35

0 to

85

0

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

394.1

. S

cin

tillato

r p

rob

e:

4.1

. S

cin

tillato

r p

rob

e:

basic

set

up

an

d e

nh

an

cem

en

tb

asic

set

up

an

d e

nh

an

cem

en

t

P56 s

cintil

lato

r: 2

ms

deca

y-tim

e⇒ ⇒⇒⇒

now

TG

-Gre

en:

0.5

µs

deca

yC

CD

cam

era

:

512x5

12 p

ixel,

10-5

0 H

z ⇒ ⇒⇒⇒

no

w 1

28x2

56 p

ixels

, 20 k

Hz

PM

T d

ete

cto

rs:

4x4

PM

T a

rra

y, r

ate

5 k

Hz

(

fibre

bundle

should

be p

rote

cted

!)

Ele

ctrica

lly-h

ea

ted (

up

to

200

0)

ho

se f

or

fibre

optic

bundle

will

be in

stalle

d

befo

re D

T c

am

paig

n.

It is

not

be d

egra

ded b

y nucl

ea

r ir

radia

tion

up t

o a

to

tal

dose

of

10

8ra

d.

Es

ca

pe

d

Es

ca

pe

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

W-c

oate

d g

raphite

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

404.1

. S

cin

tillato

r p

rob

e:

4.1

. S

cin

tillato

r p

rob

e:

firs

t o

rbit

lo

ss

firs

t o

rbit

lo

ss

measu

rem

en

tsm

easu

rem

en

ts

11-- M

eV

M

eV

tri

ton

str

ito

ns

an

d 3

an

d 3

-- MeV

M

eV

pro

ton

sp

roto

ns

#7

7597

q(0

)=2

.0#7

7692

q(0

)=1

.1

Gyro-radius

Pitch

-angle

Es

ca

pe

d

Es

ca

pe

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

Dis

charg

e 2

.7T

/ 1

.8 M

AD

isch

arg

e2.7

T /

2.5

MA

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

414.2

. 4.2

. α αααα ααα

-- part

icle

co

llecto

rs:

part

icle

co

llecto

rs:

Fara

da

y c

up

s i

n J

ET

Fara

da

y c

up

s i

n J

ET

Fara

day

cups

(see F

.E. C

eci

l’s p

ost

er)

Darr

ow

D. et al R

SI 75

(2004)

3566

Es

ca

pe

d

Es

ca

pe

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

424.2

. 4.2

. α αααα ααα

-- part

icle

co

llecto

rs:

part

icle

co

llecto

rs:

Fara

da

y c

up

s p

osit

ion

Fara

da

y c

up

s p

osit

ion

Pla

sma

Beam P

ylon

Fara

day

cup

module

s

9°

15°

21°

27°

33°

•C

urv

ed b

eam

mo

unte

d o

n v

ess

el w

all

belo

w m

idpla

ne

•5 “

Pyl

ons”

will

mount

on b

ea

m –

polo

idal r

eso

lutio

n•

Each

pyl

on c

an c

onta

in u

p t

o 3

F

ara

da

y cu

p m

odule

s –

radia

l reso

lutio

n

•B

ut,

no p

itch a

ngle

reso

lutio

n

6o

-19

o

-7o

-31

o

-41

o

tan(θ

po

l)=(Z

-Z0)/

(R-R

0)

R0=

2.9

6m

, Z

0=

0

Es

ca

pe

d

Es

ca

pe

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

434.2

. 4.2

. α αααα ααα

-- part

icle

co

llecto

rs:

part

icle

co

llecto

rs:

Fara

da

y c

up

ass

em

bly

Fara

da

y c

up

ass

em

bly

Ni f

oil

Mic

a

Sta

ck o

f alte

rnatin

g N

i foils

and m

ica in

sula

ting s

he

ets

,

with

term

ina

l blo

ck a

nd

perf

ora

ted c

ove

r to

adm

it

ions.

Es

ca

pe

d

Es

ca

pe

d α αααα ααα

-- pa

rtic

le

pa

rtic

le d

iag

no

sti

cs

dia

gn

os

tic

s

12th

IA

EA

Tech

nic

al M

eetin

g o

n E

nerg

etic

Part

icle

s in

Magnetic

Confin

em

ent S

yste

ms,

7-1

0 S

ep 2

011, A

ust

in, T

exa

s, U

SA

444.2

. 4.2

. α αααα ααα

-- part

icle

co

llecto

rs:

part

icle

co

llecto

rs:

Fara

da

y c

up

en

erg

y r

eso

luti

on

Fara

da

y c

up

en

erg

y r

eso

luti

on

ion

s

Th

in

(1-2

.5µ

m)

Ni f

oils

Cu

rre

nt

flow

to a

mp

lifie

rs

Plasma

•D

ete

ctor

com

pose

d o

f m

ulti

ple

thin

m

eta

l foils

sep

ara

ted b

y m

ica

foils

•Io

n e

nerg

y d

ete

rmin

es

deposi

tion

depth

•Io

n c

urr

ent

me

asu

red f

or

each

foil

indiv

idu

ally

•C

urr

ent

vs d

ep

th g

ives

energ

y dis

trib

utio

n(∆

E~

10–50%

)

6.1

5.4

#4

5.0

3.5

#3

3.1

2.0

#2

1.4

-#1

Em

ax α

, M

eV

Em

inα,

Me

VF

oils

JE

T e

xp

eri

en

ce:

JE

T e

xp

eri

en

ce:

a thin

Ni-sh

ield

in fro

nt

of 1st

foil

is n

eeded (

to a

void

UV

/ L

angm

uir

back

gro