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EnglishA possible solution for a target system aimed at the production of exotic nuclei as a result of high energy fissions in 238U compounds has been analyzed. The proposed configuration is constituted by a primary proton beam (40 MeV, 0.2 mA) directly impinging on uranium carbide disks inserted within a cylindrical carbon box. This system has been conceived to obtain both a high number of neutron rich atoms (originated from about 1013 fissions/s) and a low power deposition in the target. In order to extract the fission fragments, the box has to be hold at 2000○C. The thermal analysis shows the capability of the thermal radiation to cool the disks with a reasonable margin below the material melting point. Moreover, the analyses of the thermo-mechanical behaviour and of the effusion times confirm the promising features of this target configuration.
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| Data di pubblicazione: | 2007 | |
| Titolo: | The SPES direct UCx target | |
| Autori: | Andrighetto, A; Antonucci, C.; Barbui, M.; Carturan, S.; Cervellera, F.; Cevolani, S.; Cinausero, M.; Colombo, P.; Dainelli, A.; Di Bernardo, P.; Gramegna, F.; Maggioni, G.; Meneghetti, G.; Petrovich, C.; Piga, L.; Prete, G.; Rizzi, V.; Tonezzer, M.; Zafiropoulos, D.; Zanonato, P. | |
| Rivista: | THE EUROPEAN PHYSICAL JOURNAL. SPECIAL TOPICS | |
| Parole Chiave: | Physics and Astronomy (all); Materials Science (all); Physical and Theoretical Chemistry | |
| Abstract: | A possible solution for a target system aimed at the production of exotic nuclei as a result of high energy fissions in 238U compounds has been analyzed. The proposed configuration is constituted by a primary proton beam (40 MeV, 0.2 mA) directly impinging on uranium carbide disks inserted within a cylindrical carbon box. This system has been conceived to obtain both a high number of neutron rich atoms (originated from about 1013 fissions/s) and a low power deposition in the target. In order to extract the fission fragments, the box has to be hold at 2000○C. The thermal analysis shows the capability of the thermal radiation to cool the disks with a reasonable margin below the material melting point. Moreover, the analyses of the thermo-mechanical behaviour and of the effusion times confirm the promising features of this target configuration. | |
| Digital Object Identifier (DOI): | 10.1140/epjst/e2007-00321-6 | |
| Handle: | http://hdl.handle.net/11392/2341402 | |
| Appare nelle tipologie: | 03.1 Articolo su rivista |
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