0

20

40

60

80

100

0 20 40 60 80 100 120 140 160

Neutrons

Z

ISOLDE

Nat. & stable

ISOL-AT : ISOL Actinide Targets (JRA1)ISOL-AT : ISOL Actinide Targets (JRA1)

UC/ThC 56%

ZrO 1%

Ta 11%

LaC 6%

MgO 4%

ISOLDE UCx over more than 25 years

Actinide targets ISOLDE 2006 (>56%)

UO2 + 6C → UC2 + 2C + 2COThO2 + 6C → ThC2 + 2C + 2CO

12 targets / year

UC2/ThC2

Other targets

total >800 isotopes

ISOL-AT (JRA1) Joint EURISOL-EURONS Town meeting Helsinki 19th Sept 07ISOL-AT (JRA1) Joint EURISOL-EURONS Town meeting Helsinki 19th Sept 07

Actinide targetssynthesis

Properties(after irradiation)

Science (2000)

“Chimie douce (2001)”

Carbon nanotubefibers

Heat conductivity(before irradiaton)= 3000 W/m K

Sol-gel from uranyl nitrate solutions.U3O8 + 20C → 3UC2 + 6C + 8CO

m

nm/sub-m SiC

Record yields 21Mgfrom nanostructuredtargetswith pulsed beam

Metal/ThO2

Composite targetNb

Al2O3

Improved target longevity

ISOL-AT (JRA1) Joint EURISOL-EURONS Town meeting Helsinki 19th Sept 07ISOL-AT (JRA1) Joint EURISOL-EURONS Town meeting Helsinki 19th Sept 07

Carbon Window

Dump

proton

Disk UCx Ø=6 cm

Pulsed beamphotofission1.2 s (0.9s) cycling rate

GW instantaneous beam power

660 g U, stacked disks

Uranium target licensingfor high beam power in progress

PETERSBURG NUCLEARPHYSICS INSTITUTE

ISOL-AT (JRA1) Joint EURISOL-EURONS Town meeting Helsinki 19th Sept 07ISOL-AT (JRA1) Joint EURISOL-EURONS Town meeting Helsinki 19th Sept 07

40eme JdA at CERN in 2010

Post irradiation examination(LiSoR, MEGAPIE, TARPIPE)

Hot cell facilityRelease curve of 85Br

0.1

1

10

0.1 1 10 100 1000

tdelay+1/2tcollection [s]

b c

ou

nts

[m

s-1

co

lle

cti

on

tim

e] Experimental data

Theoretical fit

Production/release benchmarking:ISOLDE database

(ISOL-HT)