Neutron-induced fission cross section of nat-Pb and 209-Bi from threshold to 1 GeV: An improved parametrization

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear
dc.contributor	Universitat Politècnica de Catalunya. GREENER - Grup de recerca d'estudis energètics i de les radiacions
dc.contributor.author	Calviño Tavares, Francisco
dc.contributor.author	Cortés Rossell, Guillem Pere
dc.contributor.author	Poch Parés, Agustí
dc.contributor.author	Pretel Sánchez, Carme
dc.date	2011-04-28
dc.identifier.citation	Calviño, F. [et al.]. Neutron-induced fission cross section of nat-Pb and 209-Bi from threshold to 1 GeV: An improved parametrization. "Physical review C", 28 Abril 2011, vol. 83, núm. 044620, p. 4462001-4462009.
dc.identifier.citation	0556-2813
dc.identifier.citation	10.1103/PhysRevC.83.044620
dc.identifier.uri	http://hdl.handle.net/2117/12438
dc.language.iso	eng
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Energies::Energia nuclear
dc.subject	Nuclear energy
dc.subject	Energia nuclear
dc.title	Neutron-induced fission cross section of nat-Pb and 209-Bi from threshold to 1 GeV: An improved parametrization
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	Neutron-induced fission cross sections for natPb and 209Bi were measured with a white-spectrum neutron source at theCERNNeutron Time-of-Flight (n TOF) facility. The experiment, using neutrons from threshold up to 1 GeV, provides the first results for these nuclei above 200 MeV. The cross sections weremeasured relative to 235U and 238U in a dedicated fission chamber with parallel plate avalanche counter detectors. Results are compared with previous experimental data. Upgraded parametrizations of the cross sections are presented, from threshold energy up to 1 GeV. The proposed new sets of fitting parameters improve former results along the whole energy range.

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