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Inversion of the Odd-Even Effect in Cold Fission from the Time-Dependent Pairing Equations
| Content Provider | Semantic Scholar |
|---|---|
| Author | Mirea, M. |
| Copyright Year | 2016 |
| Abstract | A peculiar phenomenon was observed experimentally in cold fission: the odd partition yields are favored over the even ones for excitations energies of the fragments smaller than 4 MeV. In this contribution, a microscopic model is proposed for the explanation of this odd-even effect in cold fission. This explanation is based on a mixing configuration mechanism that is produced during the fission process. This configuration mixing mechanism is obtained dynamically by solving a the generalized system of time-dependent pairing equations, which include a pair-breaking effect. The time dependent equations of motion for the pair breaking effect were corroborated with a condition that fixes dynamically the number of particles on the two fission fragment. The single particle level scheme was calculated with the Woods-Saxon superasymmetric two center shell model, providing a continuous variation of the single particle energies and of the wave functions from one nucleus up to two separated fragments. A first rule can be extracted from this model. The even-even fission products cannot be obtained at zero excitation energies because of the existence of dynamical excitations produced in the avoidedlevel-crossing regions when the nuclear system deforms slowly. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://www.epj-conferences.org/articles/epjconf/pdf/2016/17/epjconf_cnr2016_01009.pdf |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Arabic numeral 0 Cell Nucleus Energy, Physics Excitation Experiment Extraction Singlet fission Small Wood material |
| Content Type | Text |
| Resource Type | Article |
