Fission Dynamics of Atomic Clusters and Nuclei

Preface......Page 6
CONTENTS......Page 8
Fission kills nuclear ropes loops and chains......Page 12
1 Introduction......Page 16
2 Semiclassical explanation of the onset of mass asymmetry......Page 17
3 Inclusion of spin-orbit interaction in POT......Page 19
Acknowledgment......Page 22
References......Page 23
1 Introduction......Page 24
2 The model......Page 25
3 Coupling of the pairing vibrations with the fission mode......Page 28
4 Conclusions:......Page 30
References......Page 31
Fission studies with large detector arrays......Page 32
2 A new determination of the Ba-Mo yield matrix for 252Cf......Page 33
3 Cold Binary Spontaneous Fission......Page 36
4 Light Charged Particle Ternary Fission......Page 37
5 Identification of the cold 10Be ternary SF pairs of 252Cf......Page 39
References......Page 46
1 Introduction.......Page 48
2 Dynamical jellium model.......Page 49
3 Conclusions.......Page 53
References......Page 54
Fission decay of nuclei and the extension of the periodic system......Page 56
1 Introduction......Page 76
2 The baryonic string force in the nuclear bag......Page 77
3 Derivation of the baryonic string force......Page 79
4 Nuclear liquid systems 5......Page 81
5 Phases of nuclear liquid state......Page 83
6 Conclusion......Page 85
References......Page 86
1 Introduction......Page 87
2 Global Models of Atomic-Mass Data......Page 88
3 Global Models of B~ -Decay Halflives......Page 93
References......Page 95
1 Introduction......Page 97
2 The Nonrelativistic Framework......Page 98
3 The Nuclear Structures......Page 100
References......Page 104
Neutron Halo of Fissile Nuclei......Page 105
References......Page 113
Search for possible isomer 232Pa......Page 115
REFERENCES......Page 118
Broken symmetry in nuclear matter......Page 119
References......Page 127
1 Introduction......Page 128
2 Classical droplets......Page 129
3 Quantal effects around scission......Page 134
References......Page 136
1 Introduction......Page 138
2 The EDF Theory of Fission......Page 139
References......Page 144
1 The decay of hot nuclei......Page 146
References......Page 152
1 INTRODUCTION......Page 154
2 NEW RESULTS AND CURRENT EXPERIMENTAL SITUATION......Page 155
3 MASS DISTRIBUTIONS OF COLD DECAYS......Page 160
4 TRANSITION BETWEEN CLUSTER- AND FISSION-LIKE TYPES OF DECAYS......Page 168
5 CONCLUSIONS......Page 171
ACKNOWLEDGMENTS......Page 172
References......Page 173
1 Introduction......Page 174
2 Electronic shell and supershell effects......Page 175
3 Shape deformations......Page 179
4 Fragmentation of charged clusters......Page 182
5 Optical response along the fission path......Page 191
6 From fission to fragmentation and Coulomb explosion......Page 193
Acknowledgments......Page 198
References......Page 199
1 Introduction......Page 203
2 Radiationless excitation......Page 204
3 Prompt-to-delayed fission ratio.......Page 208
4 Muon attachment probabilities......Page 209
References......Page 211
1 Introduction......Page 215
3 Results and Discussion......Page 216
4 Summary and Conclusions......Page 222
References......Page 223
2 Mixed parity bands mean assymetric bosonic structure......Page 225
3 Theoretical approaches......Page 227
4 More experiments required......Page 228
References......Page 230
1 Introduction......Page 232
2 Experimental results......Page 233
3 Theoretical model analisys......Page 235
4 Formation of neutron rich nuclides in fission......Page 239
5 Conclusion......Page 240
References......Page 241
1 Introduction and Experimental Setup......Page 243
2 Quaternary Fission......Page 247
3 Summary......Page 256
References......Page 258
1 Introduction......Page 259
3 The theory of Papenbrock and Bertsch......Page 260
4 A low energy theorem......Page 262
5 Semi-classical theory......Page 263
6 Derivation of the semi-classical result......Page 264
7 Conclusions......Page 265
8 Acknowledgments......Page 266
1 Introduction......Page 267
2 The Theory......Page 269
3 Results and Discussion......Page 271
References......Page 276
1 Introduction......Page 277
2 The reaction model......Page 278
3 Results......Page 280
References......Page 284
1 Introduction......Page 286
2 Experimental Technique......Page 288
3 Characteristics of Mass and Energy Distributions of SHE Fission Fragments......Page 294
4 Capture and fusion-fission cross sections......Page 298
5 Neutron and gamma-ray multiplicities in the fission of superheavy nuclei......Page 301
6 Experimental Results on the Synthesis of Superheavy Nuclei......Page 302
7 Discussion......Page 307
8 Addendum......Page 310
References......Page 311
1 Introduction......Page 313
3 Results and Discussion......Page 314
4 Summary......Page 319
References......Page 321
1 Experiment......Page 322
2 Results......Page 323
3 Conclusion......Page 327
References......Page 328
Possible explanation of the difference in nuclear fission induced by the intermediate energy protons and neutrons......Page 329
References......Page 334
1 Introduction......Page 335
2 Energy balance at scission......Page 336
3 The distribution of excitation energy in the fission fragments......Page 337
4 Conclusions......Page 341
References......Page 342