dorsal/arxiv
View SchemaEffect of nuclear periphery on nucleon transfer in peripheral collisions
| Authors | M. Veselsky, G. A. Souliotis |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0507026 |
| URL | https://arxiv.org/abs/nucl-th/0507026 |
| DOI | 10.1016/j.nuclphysa.2005.11.001 |
| Journal | Nucl.Phys. A765 (2006) 252-261 |
Abstract
A comparison of experimental heavy residue cross sections from the reactions 86Kr+64Ni,112,124Sn with the model of deep-inelastic transfer (DIT) is carried out. A modified expression for nucleon transfer probabilities is used at non-overlapping projectile-target configurations, introducing a dependence on isospin asymmetry at the nuclear periphery. The experimental yields of neutron-rich nuclei close to the projectile are reproduced better and the trend deviating from the bulk isospin equilibration is explained. For the neutron-rich products further from the projectile, originating from hot quasiprojectiles, the statistical multifragmentation model reproduces the mass distributions better than the model of sequential binary decay. In the reaction with proton-rich target 112Sn the nucleon exchange appears to depend on isospin asymmetry of nuclear periphery only when surface separation is larger than 0.8 fm due to the stronger Coulomb interaction at more compact di-nuclear configuration.
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"abstract": "A comparison of experimental heavy residue cross sections from the reactions\n86Kr+64Ni,112,124Sn with the model of deep-inelastic transfer (DIT) is carried\nout. A modified expression for nucleon transfer probabilities is used at\nnon-overlapping projectile-target configurations, introducing a dependence on\nisospin asymmetry at the nuclear periphery. The experimental yields of\nneutron-rich nuclei close to the projectile are reproduced better and the trend\ndeviating from the bulk isospin equilibration is explained. For the\nneutron-rich products further from the projectile, originating from hot\nquasiprojectiles, the statistical multifragmentation model reproduces the mass\ndistributions better than the model of sequential binary decay. In the reaction\nwith proton-rich target 112Sn the nucleon exchange appears to depend on isospin\nasymmetry of nuclear periphery only when surface separation is larger than 0.8\nfm due to the stronger Coulomb interaction at more compact di-nuclear\nconfiguration.",
"arxiv_id": "nucl-th/0507026",
"authors": [
"M. Veselsky",
"G. A. Souliotis"
],
"categories": [
"nucl-th",
"nucl-ex"
],
"doi": "10.1016/j.nuclphysa.2005.11.001",
"journal_ref": "Nucl.Phys. A765 (2006) 252-261",
"title": "Effect of nuclear periphery on nucleon transfer in peripheral collisions",
"url": "https://arxiv.org/abs/nucl-th/0507026"
},
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