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Simultaneous measurement of neutron-induced capture and fission reactions at CERN

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Mar 2012 United Kingdom, Austria, Spain, Italy, France, Germany, Austria, Australia, Spain, France, France, France, Spain, Switzerland Publisher:Springer Science and Business Media LLCJournal:The European Physical Journal A, volume 48 (issn: 1434-6001, eissn: 1434-601X,

Authors: M. A. Cortés-Giraldo; V. Bécares; Roberto Losito; R. Vlastou; E. Jericha; Srinivasan Ganesan; P. M. Milazzo; +80 Authors

doi: 10.1140/epja/i2012-12029-2

handle: 2117/189821 , 11585/114916 , 1885/59807

Simultaneous measurement of neutron-induced capture and fission reactions at CERN

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Abstract

The measurement of the capture cross-section of fissile elements, of utmost importance for the design of innovative nuclear reactors and the management of nuclear waste, faces particular difficulties related to the -ray background generated in the competing fission reactions. At the CERN neutron time-of-flight facility n_TOF we have combined the Total Absorption Calorimeter (TAC) capture detector with a set of three (235)U loaded MicroMegas (MGAS) fission detectors for measuring simultaneously two reactions: capture and fission. The results presented here include the determination of the three detection efficiencies involved in the process: , and . In the test measurement we have succeeded in measuring simultaneously with a high total efficiency the (235)U capture and fission cross-sections, disentangling accurately the two types of reactions. The work presented here proves that accurate capture cross-section measurements of fissile isotopes are feasible at n_TOF.

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United Kingdom, Austria, Spain, Italy, France, Germany, Austria, Australia, Spain, France, France, France, Spain, Switzerland

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Keywords

Nuclear and High Energy Physics, 103014 Kernphysik, [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear physics, Neutrons--Captura, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 530, Neutrons--Capture, NEUTRON-INDUCED REACTIONS; TOTAL ABSORPTION CALORIMETER; MICROMEGAS; TIME-OF-FLIGHT, 103005 Atomphysik, [ PHYS.NEXP ] Physics [physics]/Nuclear Experiment [nucl-ex], info:eu-repo/classification/ddc/530, :Energies::Energia nuclear [Àrees temàtiques de la UPC], :Física [Àrees temàtiques de la UPC], Physics, Àrees temàtiques de la UPC::Física, 103005 Atomic physics, ddc:530, [PHYS.NEXP] Physics/Nuclear Experiment, 500, Àrees temàtiques de la UPC::Energies::Energia nuclear, Física nuclear, 103014 Nuclear physics

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	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%