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Your search keyword '"H. Nifenecker"' showing total 4 results
Start Over Author "H. Nifenecker" Journal journal de physique
4 results on '"H. Nifenecker"'

1. Mesure de la section efficace de fission de 233U entre 1,7 et 57 eV

Author

D. Paya, H. Nifenecker, and J. Fagot

Subjects
Physics, Nuclear physics, Cross section (physics), Xenon, chemistry, Physics::Instrumentation and Detectors, Fission, Scintillation counter, Physics::Atomic and Molecular Clusters, Measure (physics), chemistry.chemical_element, Neutron, Nuclear Experiment
Abstract

A xenon gas scintillation counter is used with one gram of U233 to measure the fission cross section of U 233for neutrons from 1.7 to 57 ev. The experimental apparatus and cross section curves obtained are presented.

Published
1963
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4. Étude des cascades γ—γ dans la capture de neutrons thermiques conduisant au premier état excité de 200Hg

Author

J. Fagot, H. Nifenecker, J. Matuszek, and P. Carlos

Subjects
Nuclear reaction, Physics, Physical chemistry, Neutron temperature
Abstract

Nous avons etudie les cascades γ — γ emises apres capture neutronique par 200Hg et partant du niveau de capture pour aboutir au premier etat excite. Nous avons utilise la methode de Hoogenboom avec pour la detection des gamma de haute energie un ensemble comprenant ; un cristal NaI(TI) de 4" × 6" et un cristal annulaire NaI(TI) de 8" × 12".

Published
1964
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