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High-accuracy determination of the 238U/ 235U fission cross section ratio up to ˜ 1 GeV at n_TOF at CERN

Autor
Paradela, C.; Calviani, M.; Tarrío, D.; Calviño, F.; Cortes, G.; Gómez-Hornillos, M.B.; Pretel, C.; Riego, A.
Tipus d'activitat
Article en revista
Revista
Physical review C
Data de publicació
2015-02-09
Volum
91
Pàgina inicial
024602-1
Pàgina final
024602-11
DOI
https://doi.org/10.1103/PhysRevC.91.024602 Obrir en finestra nova
Projecte finançador
Datos nucleares para física nuclear e ingeniería nuclear
Repositori
http://hdl.handle.net/2117/28483 Obrir en finestra nova
Resum
The U238 to U235 fission cross section ratio has been determined at n_TOF up to ˜1 GeV, with two different detection systems, in different geometrical configurations. A total of four datasets has been collected and compared. They are all consistent to each other within the relative systematic uncertainty of 3–4%. The data collected at n_TOF have been suitably combined to yield a unique fission cross section ratio as a function of neutron energy. The result confirms current evaluations up to 2...
Citació
Paradela, C. [et al.]. High-accuracy determination of the 238U/ 235U fission cross section ratio up to ˜ 1 GeV at n_TOF at CERN. "Physical review C", 09 Febrer 2015, vol. 91, p. 024602-1-024602-11.
Paraules clau
Cross section, Fission, Neutron, U-235, U-238
Grup de recerca
ANT - Advanced Nuclear Technologies Research Group

Participants

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