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  5. Neutron induced fission cross section measurements aimed at nuclear technology development
 
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Neutron induced fission cross section measurements aimed at nuclear technology development

Belloni, Francesca
2010-03-12
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http://hdl.handle.net/10077/3720
  • Doctoral Thesis

Abstract
Neutron induced fission cross sections of 233U, 238U, 241Am, 243Am and 245Cm in the energy range between 500 keV and 20 MeV obtained at the n_TOF Neutron Time of Flight facility at CERN (Geneve) are presented. Fission fragments had been detected by a gas counter with good discrimination between nuclear fission products and background events. A comparison between the extracted cross sections, previous experimental results and evaluated libraries is reported.
In questa tesi sono presentate le sezoni d'urto indotte da neutroni di energia compresa tra 500 KeV e 20 MeV su 233U, 238U, 241Am, 243Am e 245Cm ottenute alla facility di tempo di volo n_TOF al CERN (Geneve). I frammenti di fissione sono stati rivelati da un contatore a gas con una buona capacit\`a di discriminare i prodotti di fissione dagli eventi di background. La tesi riporta un paragone tra le sezioni estratte, i dati sperimentali ottenuti in passato da altri gruppi e le principali librerie valutative.
Subjects
  • neutron

  • fission

  • n_TOF

  • fission ionization ch...

  • neutroni

  • fissione

  • camera di fissione a ...

Publisher
Università degli studi di Trieste
Languages
en
Licence
http://www.openstarts.units.it/dspace/default-license.jsp
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tesi.pdf

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