Pulcini, Alessandro (2020) The role of fission in the search of the super heavy promised land. [Tesi di dottorato]
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| Tipologia del documento: | Tesi di dottorato |
|---|---|
| Lingua: | English |
| Titolo: | The role of fission in the search of the super heavy promised land |
| Autori: | Autore Email Pulcini, Alessandro pulcini@na.infn.it |
| Data: | 8 Marzo 2020 |
| Numero di pagine: | 113 |
| Istituzione: | Università degli Studi di Napoli Federico II |
| Dipartimento: | Fisica |
| Dottorato: | Fisica |
| Ciclo di dottorato: | 32 |
| Coordinatore del Corso di dottorato: | nome email Capozziello, Salvatore salvatore.capozziello@unina.it |
| Tutor: | nome email Vardaci, Emanuele [non definito] |
| Data: | 8 Marzo 2020 |
| Numero di pagine: | 113 |
| Parole chiave: | Fusion, Fission, Gamma-ray |
| Settori scientifico-disciplinari del MIUR: | Area 02 - Scienze fisiche > FIS/04 - Fisica nucleare e subnucleare |
| Depositato il: | 31 Mar 2020 16:19 |
| Ultima modifica: | 10 Nov 2021 14:05 |
| URI: | http://www.fedoa.unina.it/id/eprint/13025 |
Abstract
The study of the fission process is considered mostly important both for searching pathways to synthesize new superheavy elements and predict their stability against fission, and for the direct impact on the understanding of the fission recycling process in the r-process of nucleosynthesis. A description of the fission process with reliable predictive power is necessary, in particular, for low-energy fission where the fission-fragment mass distributions are strongly sensitive to microscopic effects. In this thesis, the study of five reactions aimed at a deeper understanding of the fission process in the mercury region is presented. This study was triggered by the recent hypothesis that the fission mechanism is different in the mercury region from the one postulated in the neighboring actinoid region. Furthermore, a method aimed at separating fission products from the ones produced by mechanisms with different time scales by means of the measurement of gamma rays in coincidence with binary fragments is presented. The main target of this method is the disentanglement of fission and quasi-fission products, two mechanisms with many common properties often overlapped in experimental data.
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