LASER 2004 (eBook)

Preface 9
Laser Spectroscopic Investigation of the Element Fermium (Z = 100) 11
1. Introduction 11
2. Experimental 12
3. Investigation of the level structure 14
4. Hyper.ne splitting 16
5. Conclusions 21
Acknowledgements 21
References 22
Ionization Scheme Development at the ISOLDE RILIS 23
1. Introduction 23
2. The resonance ionization laser ion source 24
3. Ionization scheme development 25
4. New schemes for Sb, Sc, Dy and Y 26
5. Conclusion 34
Acknowledgements 35
References 35
Development Towards a Laser Ion Source Trap for the Production of Exotic Species 36
1. Introduction 36
2. Experimental setup 37
3. Simulation studies and results 40
4. Conclusion 44
Acknowledgement 45
References 45
Laser Ion Source Project at IGISOL 46
1. Introduction 46
2. Experimental setup 47
3. The lasers 48
4. Status and outlook 48
References 50
Laser Accelerated, High Quality Ion Beams 51
1. Experiments 52
2. Results 53
3. Heavy ion acceleration 57
4. Applications 58
5. Conclusion 59
Acknowledgments 59
References 59
PHELIX – Status and First Experiments 60
1. Introduction 60
2. Laser architecture 63
3. Status of PHELIX 65
4. First experiments 66
5. Conclusion 67
References 67
Laser Spectroscopy Programme at the Jyväkylä IGISOL 68
1. Introduction 68
2. The laser/IGISOL facility 68
3. Fission fragment spectroscopy 69
4. The 70
isomers in 70
and 70
5. The osmium isotope chain 71
Acknowledgements 72
References 72
Resonant Ionization Laser Ion Source Project at TRIUMF 73
1. Introduction 73
isotope separator 73
accelerator 73
radioactive ion beams 73
isotope separator 74
on-line 74
2. RILIS at TRIUMF ISAC 74
3. Off- and on-line installations 76
4. Test elements 77
5. Conclusions 78
Acknowledgements 78
References 78
Ion Mobility Measurements and Ion Chemical Reaction Studies at Heavy Elements in a Buffer Gas Cell 80
1. Introduction 80
2. Experimental 81
3. Ion mobility measurements 82
4. Ion chemical reaction studies on erbium 85
5. Conclusions and outlook 86
Acknowledgements 87
References 87
Laser Spectroscopy of Transuranium Elements 88
1. Nuclear structure peculiarities of the transuranium elements 88
2. Nuclear structure investigations by laser spectroscopy 89
3. Light induced drift of atoms in a buffer gas 91
4. Future experiments 93
References 94
First Measurement of the Nuclear Charge Radii of Short-Lived Lithium Isotopes 95
1. Introduction 95
2. Theory 96
3. Laser excitation scheme 97
4. Experimental method 98
5. Results and discussion 99
Acknowledgements 101
References 101
Charge Radii of Argon Isotopes in the f7/2 Shell and Radii Systematics in the Ca-Region 103
1. Introduction 103
2. Experiment 104
3. Experimental results 106
4. Nuclear charge radii in the calcium region – overview 107
5. Conclusion 108
Acknowledgements 109
References 109
Laser Spectroscopy and ß- NMR Measurements of Short-Lived Mg Isotopes 110
1. Introduction 110
2. Experimental method 111
3. Experimental results 114
Acknowledgments 115
References 115
Pumping 229mTh by Hollow-Cathode Discharge 116
1. Introduction 116
2. How to do pumping 117
3. What to measure 119
Resonance Conversion as the Predominant Decay Mode of 229m Th 125
1. Introduction 125
2. Method of calculations 127
3. Results 131
4. Discussion 131
Acknowledgements 132
References 132
Study of Exotic Nuclei 133
1. Introduction 133
2. Production of neutron-de.cient nuclei 134
and 134
by heavy-ion fusion 134
reaction 134
3. Development of a high-sensitive .uorescence cell for the measurement of 134
atomic IS and Hfs using laser spectroscopy 134
4. Systematics of charge radii of Cs isotopes using RMF 136
Acknowledgements 138
References 138
Calculations of the Hyper.ne Anomaly in the Lanthanides 139
1. Introduction 139
2. Hyper.ne anomaly in the lanthanides 141
3. Calculations of the hyper.ne anomaly 143
4. The empirical Moskowitz–Lombardi formula 144
5. Discussion & conclusion
References 146
Laser Based Techniques for Ultra Trace Isotope Production, Spectroscopy and Detection 147
1. Introduction 147
2. Theoretical background of resonance ionization 149
3. Pulsed laser systems for resonance ionization 152
4. Resonant processes using narrow bandwidth continuous wave lasers 153
5. Conclusions 155
References 155
Resonance Ionization Mass Spectrometry (RIMS) with Pulsed and CW-Lasers on Plutonium 158
1. Isotope selective ultra-trace analysis of plutonium 158
2. Resonance ionization mass spectrometry on plutonium – experimental 159
setup 159
3. RIMS on plutonium with narrow-band cw-lasers and broadband pulsed 160
lasers 160
4. Three-step, two-color excitation of plutonium with broadband pulsed 163
lasers 163
5. Conclusion 165
Acknowledgements 165
References 165
Atom Trap Trace Analysis of Ca Isotopes 166
1. Introduction 166
2. Experimental progress 167
3. Conclusion 170
Acknowledgements 170
References 171
Laser Ionization and Penning Trap Mass Spectrometry – A Fruitful Combination for Isomer Separation and High-precision Mass Measurements 172
1. Introduction 172
2. Experimental procedure 173
3. Results and discussion 175
References 177
Laser Cooling and Spectroscopy of Relativistic 179
1. Introduction 179
2. Laser cooling of Li-like carbon ions 181
3. Laser spectroscopy of Li-like carbon ions 184
References 186
A Solid Xenon Catcher for Rare Isotope Laser Spectroscopy 187
1. Introduction 187
2. Assessment of xenon layers with bismuth atom samples 188
3. Application to isomers populated in 191
decay 191
References 192
A High-Resolution Laser Setup for Determining Nuclear Moments 193
References 198
Author Index to Volume 162 (2005) 199