sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct...

51
1 R are I sotope A ccelerator RIA Project Richard C. York July 2005 12 th International Workshop on SRF

Transcript of sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct...

Page 1: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

1

Rare

Iso

top

e A

ccel

erato

r

RIA

Pro

ject

Ric

hard

C.

Yo

rkJ

uly

200

5

12

thIn

tern

ati

on

alW

ork

shop

on

SR

F

Page 2: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

2

RIA

Sta

tus

•S

tron

g N

ucl

ear

Sci

ence

com

mu

nit

y s

up

port

•N

ucl

ear

Sci

ence

Ad

vis

ory

Com

mit

tee

(NS

AC

) L

on

g R

an

ge

Pla

n (

Ap

ril

2002)

–R

IA h

igh

est

pri

ori

ty n

ew f

aci

lity

•“T

he

Rare

Iso

top

e A

ccel

erato

r (R

IA)

is o

ur

hig

hes

t p

riori

ty f

or

majo

r n

ew

con

stru

ctio

n…

•R

eaff

irm

ed b

y N

SA

C J

un

e 2005

•T

ied

for

thir

d p

osi

tion

for

nea

r te

rmp

riori

ties

in

D

OE

20-y

ear

pla

n (

Novem

ber

2003)

•R

IA C

D-0

–d

on

e ea

rly 2

004

Page 3: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

3

DO

E 2

0-Y

ear

Faci

liti

es O

utl

ook

Nea

r-T

erm

Pri

ori

ties

1.

ITE

R

2.

Ult

raS

cale

Sci

enti

fic

Co

mp

uti

ng

Ca

pa

bil

ity

3.

Tie

fo

r 3

rdp

osi

tio

n

•J

oin

t D

ark

En

erg

y M

issi

on

•L

ina

c C

oh

eren

t L

igh

t S

ou

rce

Pro

tein

Pro

du

ctio

n &

Ta

gs

•R

are

Iso

tope

Acc

eler

ato

r (R

IA)

7.

Tie

fo

r 7

thp

osi

tio

n

•C

ha

ract

eriz

ati

on

& I

ma

gin

g o

f M

ole

cula

r M

ach

ines

8.

CE

BA

F 1

2 G

eV U

pg

rad

e 2

0

9.

En

erg

y S

cien

ces

Net

wo

rk (

ES

net

) U

pg

rad

e 2

0

10

.N

ati

on

al

En

erg

y R

esea

rch

Sci

enti

fic

Co

mp

uti

ng

Cen

ter

Up

gra

de

11

.T

ran

smis

sio

n E

lect

ron

Ach

rom

ati

c M

icro

sco

pe

12

.B

TeV

Page 4: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

4

RIA

Sca

le

•R

IA p

roje

ct c

ost

(in

FY

2005 d

oll

ars

)

•T

EC

= ~

$7

80 M

($690 M

w/o

con

tin

gen

cy)

•T

PC

(T

EC

+ P

re-o

ps,

etc

) =

~

995 M

$ o

ver

~7-8

yea

rs

•O

per

ati

on

s -

~90 M

$/y

ear

–si

mil

ar

to J

Lab

Page 5: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

5

RIA

Ben

efit

s

•Im

port

an

t b

enef

its

for

basi

c &

ap

pli

ed s

cien

ce

•S

tud

y p

rop

erti

es o

f a l

arg

e n

um

ber

of

isoto

pes

th

at

her

etofo

re o

nly

exis

ted i

n c

osm

os

•Q

uan

tita

tive

info

rmati

on

for

theo

ries

of

stel

lar

evolu

tion

& f

orm

ati

on

of

elem

ents

in

cosm

os

•S

upport

space

-base

d a

stro

nom

ical

obse

rvati

on

sb

y

pro

vid

ing q

uan

tita

tive

com

pari

son

s w

ith

th

eore

tica

l p

red

icti

on

s of

stel

lar

evolu

tion

•E

xp

erim

enta

l d

ata

to r

efin

e th

eori

es f

or

pre

dic

tin

g p

roper

ties

of

nu

clei

wit

h u

nu

sual

neu

tron

-to-p

roto

n r

ati

os

Page 6: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

6

RIA

Ben

efit

s -

con

t’d

•S

up

port

sto

ckp

ile

stew

ard

ship

•O

nly

way t

o o

bta

in i

mport

an

t re

act

ion

cro

ss

sect

ion

s on

un

stable

iso

topes

& t

o i

mp

rove

theo

reti

cal

mod

els

•Im

pro

ved

dia

gn

ost

ic t

ools

via

iso

top

ic a

naly

sis

of

mate

rials

fro

m u

nd

ergro

un

d n

ucl

ear

test

s

•P

rod

uce

alm

ost

an

y i

soto

pe

for

rad

io-m

edic

al

rese

arc

h

•M

ate

rials

Sci

ence

& o

ther

ap

pli

cati

on

s

•Im

pla

nta

tion

for

wea

r &

corr

osi

on

stu

die

s

•S

pace

rad

iati

on

eff

ect

stu

die

s

•M

ate

rial

mod

ific

ati

on

s –

dop

ing &

an

nea

lin

g

tech

niq

ues

Page 7: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

7

RIA

In

ten

siti

es

Page 8: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

8

r-p

roce

ss S

imu

lati

on

Page 9: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

9

Pro

du

ctio

n o

f R

are

Iso

top

es a

t R

est

1.

Ran

dom

rem

oval

of

pro

ton

san

d n

eutr

on

sfr

om

hea

vy

targ

et n

ucl

ei b

y e

ner

get

ic l

igh

t p

roje

ctil

es (

pre

-

equ

ilib

riu

m a

nd

eq

uil

ibri

um

em

issi

on

s).

2.

Extr

act

ion

of

rare

iso

top

es b

y d

iffu

sion

; io

niz

ati

on

an

d a

ccel

erati

on

: b

eam

s of

hig

h q

uali

ty.

Targ

et F

ragm

enta

tion

Page 10: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

10

Cla

ssic

al

ISO

L F

aci

lity

Con

cep

t

Po

sta

ccele

ra

tor

Iso

top

e/

iso

ba

rsep

ara

tor

Th

ick

,h

ot

targ

et

Tra

nsfe

rtu

be

Io

nso

urce

Ra

dio

acti

ve

ion

bea

m

Pro

du

cti

on

bea

m

Pro

du

cti

on

accele

ra

tor

Ex

perim

en

t

•E

xce

llen

t b

eam

qu

ali

ty a

nd

lo

w b

eam

en

ergie

s are

poss

ible

•L

imit

ed t

o l

on

ger

lif

etim

es (

τ τττ>

1s)

•Is

oto

pe

extr

act

ion

an

d i

on

izati

on

eff

icie

ncy

dep

end

on

ch

emic

al

pro

per

ties

of

elem

ent:

dif

ficu

lt, el

emen

t-sp

ecif

ic

dev

elop

men

t p

ath

s

•T

he

most

neu

tron

-ric

h i

soto

pes

wil

l h

ave

too l

ow

in

ten

siti

es

an

d t

oo s

ho

rt l

ifet

imes

to b

e su

itab

le f

or

re-a

ccel

erati

on

Page 11: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

11

Pro

du

ctio

n o

f R

are

Iso

top

es i

n F

ligh

t

ho

t p

art

icip

an

t zo

ne

pro

jec

tile

fra

gm

en

t

1.R

an

dom

rem

oval

of

pro

ton

san

d n

eutr

on

sfr

om

hea

vy

pro

ject

ile

in p

erip

her

al

coll

isio

ns.

pro

jec

tile

targ

et

2. C

ooli

ng b

y e

vap

ora

tion

.

pro

jec

tile

fra

gm

en

t

“ra

dio

acti

ve b

eam

Pro

ject

ile

Fra

gm

enta

tion

Page 12: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

12

Sch

emati

c of

a P

roje

ctil

e F

ragm

enta

tion

Faci

lity

Fra

gm

ent

sep

ara

tor

Th

inp

rod

uct

ion

targ

etR

ad

ioa

ctiv

eio

nb

eam

Hea

vy

ion

acc

eler

ato

r

Ex

per

imen

t

•H

igh

-en

ergy b

eam

s (E

/A >

50 M

eV)

of

mod

est

bea

m

qu

ali

ty

•P

hysi

cal

met

hod

of

sep

ara

tion

, n

o c

hem

istr

y

•S

uit

ab

le f

or

short

-liv

ed i

soto

pes

(τ τττ

> 1

0-6

s)

•L

ow

-en

ergy

bea

ms

are

dif

ficu

lt

•S

olu

tion

–st

op i

n g

as

cell

& r

eacc

eler

ate

Page 13: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

13

Th

e R

are

Iso

top

e A

ccel

era

tor

(RIA

) C

on

cep

t

•C

om

bin

es a

dvan

tages

of

pro

ject

ile

& t

arg

et

fragm

enta

tion

tec

hn

iqu

es•

Use

all

tools

dev

elop

ed f

or

rare

iso

top

e re

searc

h

worl

dw

ide

Page 14: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

14

RIA

Tec

hn

ical

Ris

ks

•N

o “

Sh

ow

Sto

pper

s”b

ut

sign

ific

an

t ch

all

enges

•S

ubst

an

tial

effo

rts

[~5 y

ears

]on

th

e D

rive

r L

inac

•O

pti

miz

ati

on

str

ate

gie

s &

det

ail

ed

con

sid

erati

on

s

•R

elati

vel

y l

ess

act

ivit

y o

n t

he

targ

et a

nd

exp

erim

enta

l are

as

•In

th

e la

st y

ears

, th

ese

are

nas

have

see

n d

ram

ati

c

incr

ease

in

focu

s

•S

ign

ific

an

t ch

all

enges

an

d i

ssu

es r

ecogn

ized

Page 15: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

15

RIA

Dri

ver

Lin

ac

Sp

ecif

ica

tion

s

•A

ccel

erate

an

y s

tab

le i

soto

pe

-p

roto

ns

thro

ugh

ura

niu

m t

o ≥ ≥≥≥

400 M

eV/u

•B

eam

po

wer

-

•100 k

W m

inim

um

400 k

W i

f i

on

sou

rce

cap

ab

le

•100

% d

uty

fact

or

(cw

)

Page 16: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

Mu

ltip

le-C

harg

e-S

tate

Ion

Bea

m A

ccel

erati

on

Dem

on

stra

ted

at

AT

LA

S (

AN

L)

PH

YS

ICA

L R

EV

IEW

LE

TT

ER

S, V

. 8

6, N

o. 1

3, 200

1

35

36

37

38

39

40

41

680

690

700

710

Mea

sure

men

t

Sim

ula

tion

Beam Energy (MeV)C

har

ge

Sta

te

Mu

lti-

q b

eam

en

erg

y a

nd

en

erg

y s

pre

ad

0.0

0

0.0

5

0.1

0

0.1

5

0.2

0

0.2

5

35

36

37

38

39

40

41

42

43

44

Char

ge

stat

e

Normalized current (rel. value)

94

%T

ran

sm

issio

n o

f M

ult

i-q

Ac

cele

rate

d B

eam

Th

rou

gh

th

e B

oo

ste

r

Pio

neeri

ng

S

cie

nce a

nd

Te

ch

no

log

y

Off

ice o

f S

cie

nce

U.S

. D

ep

art

men

t o

f E

nerg

y

Page 17: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

17

Dri

ver

Lin

ac

Com

mon

Con

cep

ts

•M

ult

iple

ch

arg

e st

ate

acc

eler

ati

on

(>

Xe)

•T

wo s

trip

pin

g s

tati

on

s (>

Xe)

•R

oom

tem

per

atu

re t

ech

nolo

gy t

hro

ugh

RF

Q

•E

xce

pti

ng s

up

erco

nd

uct

ing E

CR

•S

up

erco

nd

uct

ing t

ech

nolo

gy b

eyon

d R

FQ

•S

up

erco

nd

uct

ing s

ole

noid

focu

sin

g i

n f

irst

tw

o l

inac

segm

ents

Page 18: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

18

Su

per

con

du

ctin

g D

river

Lin

ac

•D

esig

n d

riven

by 4

00 M

eV/n

ucl

eon

ura

niu

m

•28+

& 2

9+

U i

nje

cted

in

to S

C l

inac

at

292 k

eV/u

•S

egm

ent

I

•A

ccel

erate

d t

o ~

12 M

eV/u

& s

trip

ped

•S

egm

ent

II

•5 c

harg

e st

ate

s (7

2)

acc

eler

ate

d t

o ~

90 M

eV/u

•S

egm

ent

III

•S

trip

ped

an

d 3

ch

arg

e st

ate

s (8

8 ±

1)

acc

eler

ate

d

to 4

00 M

eV/u

III

III

Fold

poin

t

Page 19: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

19

Dri

ver

Lin

ac

Sam

ple

Bea

m L

ist

Ion

A

Z

F

inal

En

ergy

(MeV

/u)

H

1

1

1028

3H

e 3

2

777

D

2

1

622

O

18

8

560

Ar

40

18

566

Kr

86

36

510

Xe

136

54

470

U

238

92

400

Mu

ltip

le c

harg

e st

ate

acc

eler

ati

on

for

>X

e

Page 20: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

AN

L P

rop

ose

d R

IA L

ayou

t

Pio

neeri

ng

S

cie

nce a

nd

Te

ch

no

log

y

Off

ice o

f S

cie

nce

U.S

. D

ep

art

men

t o

f E

nerg

y

Page 21: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

345

MH

z

β βββ=

0.5

Tri

ple

-

spok

e

345

MH

z

β βββ=

0.6

2

Tri

ple

-sp

ok

e

57.5

MH

z Q

WR

-

ba

sed

str

uct

ure

s

.03

< β βββ

<0

.14

115

MH

z β βββ

=0.1

5S

teer

ing-C

orr

ecte

d

QW

R

172

.5 M

Hz

β βββ=

0.2

6

HW

R

AN

L R

IA D

river

Lin

ac

Cavit

y A

rra

y

Pio

neeri

ng

S

cie

nce a

nd

Te

ch

no

log

y

Off

ice o

f S

cie

nce

U.S

. D

ep

art

men

t o

f E

nerg

y

Page 22: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

115

MH

z β βββ

=0.1

5S

teer

ing-C

orr

ecte

d

QW

R

34

5 M

Hz

β βββ=

0.4

Do

ub

le-s

po

ke

172

.5 M

Hz

β βββ=

0.2

6 H

WR

All

AN

L p

roto

typ

es h

av

e o

per

ate

d a

t >

9 M

V/m

at

4.2

K

345

MH

z T

rip

le-

spok

eβ βββ

= 0

.5 &

0.6

3

Pio

neeri

ng

S

cie

nce a

nd

Te

ch

no

log

y

Off

ice o

f S

cie

nce

U.S

. D

ep

art

men

t o

f E

nerg

y

Page 23: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

23

MS

U P

rop

ose

d R

IA L

ayou

t

Page 24: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

24

MS

U R

IA D

river

Lin

ac

Cavit

y A

rra

y

All

Tes

ted

Exce

ed S

pec

s.

Page 25: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

25

RIA

Lin

ac

& B

SY

Page 26: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

26

Dri

ver

Lin

ac

Fro

nt

En

d

Page 27: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

VE

NU

S S

ou

rce

(LB

NL

)

Bis

mu

th E

mit

tan

ce M

easu

rem

ents

0

0.0

2

0.0

4

0.0

6

0.0

8

0.1

0.1

2

0.1

4 20

22

24

26

28

30

32

34

36

38

40

42

44

pre

dic

ted fo

r 1 T

Norm

Horiz. E

mitta

nce

Bi C

ha

rge S

tate

s

Inte

nsiti

es a

bove 2

.5p

uA

Norm. 1 rms emittance

x [m

m]

-10

-4

0

4

10

50

30 0 -30

-50

3 p

µA

Bi2

7+

Mea

sure

d B

i27

+R

MS

em

itta

nce

~ 0

.08

π-m

m-m

rad

Cou

rtes

y o

f D

. L

eitn

er

Page 28: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

Explo

ded V

iew of

Ex

plode

d View

of

Explo

ded V

iew of

Ex

plode

d View

of

one

one

one

one- ---s

egme

nt R

FQ re

sona

torse

gmen

t RF

Q res

onato

rse

gmen

t RF

Q res

onato

rse

gmen

t RF

Q res

onato

r

Alumi

num

Cold

Mode

lAlu

minu

m Co

ld Mo

del

Alumi

num

Cold

Mode

lAlu

minu

m Co

ld Mo

del

Two

Two

Two

Two- ---q

RFQ

asse

mbly

desig

nq R

FQ as

semb

ly de

sign

q RFQ

asse

mbly

desig

nq R

FQ as

semb

ly de

sign

AN

L 5

7.5

MH

z R

FQ

Pio

neeri

ng

S

cie

nce a

nd

Te

ch

no

log

y

Off

ice o

f S

cie

nce

U.S

. D

ep

art

men

t o

f E

nerg

y

Page 29: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

29

MS

U 8

0.5

MH

z R

FQ

Van

es

En

d F

lan

ge

Rem

oved

Ou

ter

Tan

k T

ota

l L

ength

=4m

Magn

etic

flu

x d

ensi

ty i

n y

-z c

ross

sec

tion

(th

ru v

erti

cal

van

es)

Ele

ctri

c fi

eld

in

x-y

cross

-se

ctio

n.

MA

FIA

RF

Mod

elin

g

En

d F

lan

ge

Sec

tion

Cu

t 90

0

Page 30: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

30

En

d-t

o-E

nd

Sim

ula

tion

s

•In

clu

ded

•E

xp

erim

enta

lly b

ase

d i

np

ut

bea

ms

•M

isali

gn

men

t an

d r

f er

rors

•C

harg

e-st

rip

pin

g f

oil

mod

el

•A

deq

uate

tra

nsv

erse

an

d l

on

git

ud

inal

per

form

an

ce

for

mu

lti-

charg

e st

ate

bea

m a

ccel

erati

on

•T

ran

sver

se a

nd

lon

git

ud

inal

emit

tan

ce g

row

ths

acc

epta

ble

•N

o b

eam

loss

ob

serv

ed

Page 31: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

31

RIA

Fro

nt

En

d S

imu

lati

on

Res

ult

s

•T

wo

ch

arg

e-st

ate

U238

bea

m

acc

eler

ati

on

•B

eam

in

ten

sity

: 8 p

µ µµµA

•1

00

kV

hig

h v

olt

ag

e p

latf

orm

•P

ha

se s

pa

ces

ba

sed

on

LB

NL

em

itta

nce

mea

sure

men

t

•S

mall

tra

nsv

erse

em

itta

nce

g

row

th

•B

eam

em

itta

nce

at

SC

L

entr

an

ce

Ex

it o

f fr

on

t en

d

En

tran

ce o

f R

FQ

En

tran

ce o

f L

EB

T

~1.2

π π π πk

eV/u

-ns

ε εεε n, L

(99

.5%

)

~0.9

π π π π

mm

-mra

dε εεε n

, T

(99

.5%

)

Page 32: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

32

Dri

ver

Lin

ac

Str

ipp

ing C

hic

an

es

•H

igh

sym

met

ry –

good

hig

her

-ord

er c

orr

ecti

on

s

•P

osi

tion

ed t

o s

up

port

lon

git

ud

inal

matc

hin

g a

t fr

equ

ency

ch

an

ges

XX

YY

ZZ

Entr

ance

Exit

1st

Str

ipp

ing C

hic

an

e

Page 33: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

33

Ch

arg

e-S

trip

pin

g F

oil

Mod

el

•B

ase

d o

n s

imu

lati

on

res

ult

s fr

om

cod

e T

RIM

•E

last

ic a

nd

in

elast

ic s

catt

erin

g

•E

ner

gy l

oss

an

d s

traggli

ng

•C

arb

on

foil

s w

ith

±5

% t

hic

kn

ess

vari

ati

on

u

sed

in

sim

ula

tion

•S

mall

tra

nsv

erse

bea

m s

pot

(~3m

m)

an

d S

hort

bu

nch

len

gth

(~

rf)

at

both

str

ipp

ing l

oca

tion

s ~45

% /

~10

3%

2n

d

~21

% /

~

64

%1

st

Em

itta

nce

Gro

wth

Tra

nsv

erse

/Lon

git

ud

inal

Str

ipp

ing

Foil

Page 34: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

34

Mis

ali

gn

men

t an

d R

F E

rrors

•M

isali

gn

men

t-

Gau

ssia

n d

istr

ibu

tion

cu

t-off

at

2σ σσσ

•R

F e

rrors

-u

nif

orm

dis

trib

uti

on

1.0

Seg

men

t II

I

0.5

Seg

men

t II

±0.5

±0.5

1.0

0.5

Seg

men

t I

Am

pli

tud

e

[%]

Ph

ase

[deg

]

SR

F

Cavit

y

Focu

sin

g

Ele

men

t

Maxim

um

RF

Err

ors

for

SR

F C

avit

y

Mis

ali

gn

men

t

σ σσσx

,y [m

m]

RIA

Dri

ver

Lin

ac

Page 35: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

35

Ali

gn

men

t C

orr

ecti

on

Sch

eme

•S

egm

ents

I, II

–H

ori

zon

tal/

ver

tica

l d

ipole

win

din

gs

for

each

fo

cusi

ng s

ole

noid

magn

et

•S

egm

ent

III

–W

arm

dip

ole

corr

ecto

rs b

esid

e fo

cusi

ng

qu

ad

rup

ole

dou

ble

t

•A

ll B

PM

sin

th

e w

arm

reg

ion

bet

wee

n c

ryom

od

ule

s

•C

entr

al

orb

it d

isto

rtio

ns

lim

ited

wit

hin

±5m

m a

fter

corr

ecti

on

sin

all

th

ree

segm

ents

of

dri

ver

lin

ac

Bef

ore

co

rrec

tio

nA

fter

co

rrec

tio

n

Page 36: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

36

Dri

ver

Lin

ac

Tra

nsv

erse

En

d-t

o-E

nd

0

2.55

7.510

12.515

17.520

22.525

27.530

0100

200

300

400

500

z(m

)

r_max (mm)

seg1

seg2

seg3

c1c2

Wit

h E

rrors

Wit

hou

t E

rrors

Ap

ertu

res

Page 37: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

37

Dri

ver

Lin

ac

Lon

git

ud

inal

En

d-t

o-E

nd

0.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

40.0

0100

200

300

400

500

z(m

)

εεεεz ( 99.5%, w and w/o errors)

seg1

seg2

seg3

c1c2

Wit

h E

rrors

Wit

hou

t E

rrors

1/5

.5 o

f A

ccep

tan

ce

1/7

.5 o

f

Acc

epta

nce

1/8

.3 o

f

Acc

epta

nce

Page 38: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

38

Seg

men

ts I

& I

I C

ryost

ats

Isola

ted

vacu

um

& s

up

erco

nd

uct

ing s

ole

noid

focu

sin

g

Page 39: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

39

Low

-β βββC

ryom

od

ule

Pro

toty

pe

To

p p

late

w/

hea

der

Th

erm

al

Sh

ield

(77K

)

Cold

Mass

0.6

T Q

uad

rup

ole

λ λλλ/2

, β βββ

op

t=0.2

85

9 T

Sole

noid

λ λλλ/4

, β βββ

op

t=0.0

85

Page 40: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

40

Seg

men

t II

I C

ryost

ats

Page 41: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

41

β βββop

t=0.4

9 P

roto

typ

e S

yst

ems

Tes

t

Top

Pla

te

Su

pp

ort

Lin

k

He

Su

pp

ly He

Ret

urn

Po

wer

Co

up

ler

Tu

ner

Ti

Rail

s

Page 42: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

42

Mic

rop

hon

ics

Con

trol

02

04

06

08

0

Dis

turb

ance

Fre

qu

ency

(H

z)

120 80 40 0

Peak-to-peak Cavity Detune (Hz)

un

dam

ped

dam

ped

3180704-003

Page 43: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

43

RIA

Layou

t -

BS

Y

Bea

m S

wit

ch Y

ard

Page 44: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

44

Dri

ver

Lin

ac

Sw

itch

Yard

•B

ase

lin

e –

pro

vid

e tw

o b

eam

s (o

f sa

me

isoto

pe)

to

two t

arg

ets

sim

ult

an

eou

sly (

µ µµµ-b

un

ch)

-1.0

-0.5

0.0

0.5

1.0

Voltage

Tim

e

Page 45: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

45

kic

ker

ou

tpu

t

kic

ker

in

pu

t

kic

ker

in

pu

t

kic

ker

ou

tpu

phas

e ad

van

ce c

ell

ME

BT

Vary

in

ten

sity

[0-5

0%

] of

each

bea

m

40.2

5 M

Hz

Page 46: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

46

RIA

Layou

t -

Targ

et A

rea

Targ

et A

rea

Page 47: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

47

Targ

et A

rea D

etail

Page 48: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

48

Hg

lo

op

p

ipe

s m

ou

nte

d

on

in

su

lato

rs

`

Iso

late

d H

G

fee

dth

rou

gh

s

HV

- e

lectr

ica

l

fee

dth

rou

gh

s

Hg

sp

ill t

an

k

Ta

rge

t io

n

so

urc

e u

nit

Ion

op

tics

va

cu

um

pu

mp

s

to p

reva

cu

um

lin

e

va

cu

um

d

uct

se

rvic

ech

an

ne

lsfo

r H

g,

ga

s,

wa

ter,

ele

ctr

ic p

ow

er

an

d in

str

ime

nta

tio

n

ele

ctr

ica

l w

ire

sm

oun

ted

on

in

su

lato

rs

` infla

tab

le s

ea

ls

foca

l p

lan

e

be

am

sw

itch

yard

to H

V

pla

tfo

rms

pre

-se

pa

rato

r d

ipo

le m

ag

ne

t

1 m

La

se

r b

ea

ms

be

am

lin

es `

Slit

sys

tem

+ b

ea

m

dia

gn

ostics

+ o

ptics

ISO

L T

arg

et S

tati

on

Page 49: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

49

Pre

-Sep

ara

tor

NS

CL

Bea

m

Targ

et

Dip

ole

Qu

ad-T

riple

t

Isoto

pe

Sli

ts

Wed

ge

Bea

m

Du

mp

Page 50: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

50

Su

mm

ary

•R

IA f

aci

lity

des

ign

s h

ave

bee

n d

evel

op

ed

•D

river

lin

ac

an

d b

eam

tra

nsp

ort

•W

ell

dev

eloped

det

aile

d d

esig

ns

•N

o t

echnic

al “

show

sto

pper

s”

•P

rod

uct

ion

& e

xp

erim

enta

l are

a c

on

cep

ts

dev

elop

ed

•N

o “

show

sto

pper

s” b

ut

signif

ican

t ch

alle

nges

•R

&D

pat

h t

o s

olu

tions

iden

tifi

ed

•R

ead

y t

o g

o!

Page 51: sotope A RIA Project - Cornell University · Ion optics vacuum pumps to prevacuum line vacuum duct service channels for Hg, gas, water, electric power and instrimentation electrical

51

TH

E E

ND