NuPECC 22-23 June 2007 The ISOLDE research programme Peter Butler (University of Liverpool) 1.The present 2.The future

NuPECC 22-23 June 2007

The ISOLDE research programme

Peter Butler (University of Liverpool)

1. The present

2. The future


Users & Science

450 users (7% total CERN)25 countries; 100 institutions175 projects (4 years)

E4%

F19%

S5%

P3%

PL5%

FIN3%

D29%

DK 3%

OTH 6%

IRL <1%BG 1%

NO 1%UK 4%

IL 1%

B11%

I 1%CZ 1%

RO 2%


82

50

28

20

8

2

126

82

50

28

20

8

2

26,27Al26,27Al

Nuclides measuredin 2006

Nuclides measuredin 2006

124,126Cd124,126Cd

38,39Ca38,39Ca

112,114,116,118,120,121Ag112,114,116,118,120,121Ag

56-63Mn56-63Mn

61-63Fe61-63Fe

ISOLTRAP mass measurements in 2006

A Herlert

z0

r0

Bm

qc

2

1

100 mm

0

50

main electrodes

correction electrodes

Uz (V)

0

50

100

-50

-100

0 40 80-6 -4 -2 0 2 4 6

240

260

280

300

320

mea

n T

OF

/ µ

s

(c - 1490700.3 Hz) / Hz

First application of in-trap decay mass spectrometry

61Fe+


Pb and Bi in-source laser spectroscopy

100 102 104 106 108 110 112

-1.4

-1.2

-1.0

-0.8

-0.6

r2 A

,208

, fm

2

MF MF* IBM

|2| = 0.2 |

2| = 0.15

|2| = 0.1

|2| = 0

N

105 110 115 120 125 130

-1.2

-1.0

-0.8

-0.6

-0.4

-0.2

0.0

0.2

0.4

0.6

r A

,209 , fm

2

2= 0.15

2= 0.1

N

literature data

9/2- (ground state)

1/2+ (isomer) droplet model prediction

N =

126

2= 0

our data

M Seliverstov, B Marsh

Pb

Bi

H de Witte et al, PRL 98 (2007) 112502


Island of Inversion: 31Mg

G Neyens et al, PRL 94, 022501 (2005)


Experimental results

g = -0.4971(4) I = 3/2

preliminary

HFS 33Mg

NMR 33Mg, MgO

NMR

|A| (I+1/2) ≈ -AI/2>0≈ A (I+1)/2<0

|A| (I+1/2)

A/g ≈ const

WBMB sd–pf

n (h I g Q(mb) g Q(mb)

0 3/2- -1.47 -83 -1.35 -91

1 3/2+ 0.75 135 0.78 140

2 3/2- -0.45 147 -0.47 157

Island of Inversion: 33Mg

DT Yordanov


Solid State Physicslattice location of impurities in semi-conductors by channeling

-new developmentsfast read-outlower noise levelshorter T1/2lower electron

energies

- new probes (65Ni, 61Co, 27Mg, 8Li,)

-lattice location in semiconductors -related to ferromagnetism


Originally constructed by several CERN member states ~ 15 MCHF

Utilises now 50% ISOLDE running time

REX has accelerated 43 different RIB

Present RIB yield from ISOLDE allows 10% of all 700 radioisotopes be used

REX post-accelerator


World ISOLFACILITY DRIVER POWER USER BEAMS

ACCELERATEDENERGY PHYSICS

REACH

LOUVAINE-LA-NEUVE (BELGIUM) 1989

30 MeV protons

6 kW 6He, 7Be, 10,11C, 13N, 15O, 18F, 18,19Ne, 35Ar

10 MeV/ucyclotron

Astrophysics, Nuclear structure

HRIBFOak Ridge (USA) 1997

100 MeVp, d, (-ve ion source)

1 kW 7Be, 17,18F, 69As, 67,83Ga, 75-79Cu, 80-87Ge, 84Se, 92Sr, 118,120,122,124Ag, 129Sb,

130-134Sn, 132,134,136Te

2 - 10 MeV/utandem

Nuclear Structure, Astrophysics

ISACTRIUMF (CANADA) 2000

500 MeV protons

50 kW 8,9,11Li, 11C, 20,21Na, 18Ne, 26Al, 34Ar

4.5 MeV/ulinac

Astrophysics,Condensed matter, Nuclear Structure

SPIRALGANIL (FRANCE) 2001

100 MeV/u heavy ions

6 kW 6,8He, 15,19-21O, 18F, 17-19,23-26Ne, 33-35, 44,46Ar, 74-77Kr

2 - 25 MeV/ucyclotron

Nuclear structure, Astrophysics

REX ISOLDE (CERN)2001

1.4 GeV protons

3 kW 8,9Li, 10-12Be,17F, 24-29Na, 28-32Mg, 68Ni, 67-73Cu, 74,76,78,80Zn, 70Se, 88,92Kr, 108In, 106,108,110Sn,122,124,126Cd138,140,142,144Xe, 148Pm, 153Sm, 156Eu

0.3 - 3 MeV/ulinac

Nuclear structure, Condensed matter, Astrophysics


Rex efficiencies

0.0

5.0

10.0

15.0

20.0

0 50 100 150 200 250

A

%

7Li

238U

27Al

116Cd

Efficiencies for beams 2006Tot. eff. = Trap × BTS × EBIS × Sep


Rex photo

REX-ISOLDE2006

MINIBALL(Coulex,transfer)

Halo studiese.g. 10LiJeppesen et alPL B642(2006)449


68Cu1+ beam

68Cu 6- beam

68,70Cu Coulex

I Stefanescu et al, PRL 98 (2007) 122701


Shape of 70Se

A Hurst et al., PRL 98, 072501 (2007)


Results: 106,108,110Sn110Sn: J. Cederkall et al, PRL 98 (2007) 172501

100Sn core excitationse=1.0e

90Zr core excitationse=0.5e, e=1.5e

unpublished


Expansion plans

planned

MINIBALL


HIE-ISOLDE at CERNIncrease in REX energy from 3 to 10 MeV/u (first step in increase to 5.5 MeV/u)

Super-HRS for isobaric separationRILIS upgrade & LIST

RFQ cooler, REX-TRAP, REX-EBIS REX-ECR upgrades

Increase proton intensity 2 6 A (LINAC4, PSB upgrade) - target and front-end upgrade


Coulomb barrier for RIB

Current REX-ISOLDE

HIE-ISOLDE


REX-TRAP project

S Sturm

40K 40Ca

Mass resolution 5 x 104


RF Cooler & HRS project

E ManéB ChealH FranbergJ Billowes

Oct 2007 – laser spectroscopy

HRS upgrade

Cooler+ HRS


Ionsources

1 GeV/qH-, H+, 3He++>200 MeV/q

D+, A/q=2

Chargebreeder

Low-resolutionmass-selector

UCx

target

1+ ionsource

n-generator

20-150 MeV/u (for 132Sn)

To low-energy areas

Secondaryfragmentation

target

One of severaltarget stations

High-resolution mass-selector

To medium-energy experimental areas

H-

H+, D+,3He++

9- 60 MeV/u 2-10 MeV/u

To high-energyexperimental areas

Chargeselector

SPL

HIE-ISOLDEEURISOL precursor


Radioactive ISOL beam yields

2020

2016

2012

present

GANIL-ISOLDEJan 07 agreement – Complimentarity;Collaboration

FINIS


9Li(d,p)10LiJeppesen et alPL B642(2006)449


European Roadmap for RIB facilities

Jan 07 agreement – Complimentarity;Collaboration

EU EURISOL Design Study

ESFRI list

107 €

108 €

109 €

EU FAIR Design Study

SPL (CERN)decision


EU projects (2005-2009)EURONS I3: (2.1 MCHF)

TNAJRA’s: INTAG, CHARGE BREEDER,

LASER, SAFERIB, (TRAPSPEC)

EURISOL DS: (2.8 MCHF)liquid MMW Hg targetsdirect 100kW targetbeam conceptual study

Documents

NuPECC 22-23 June 2007 The ISOLDE research programme Peter Butler (University of Liverpool) 1.The present 2.The future