SYMPOSIA PAPER Published: 01 January 1994

Neutron Cross Sections for the Interpretation of a Spallation Experiment


An irradiation was carried out in a spallation neutron spectrum at the beam stop of LAMPF (Los Alamos); many activation detectors were used in order to obtain a fluence mapping inside the capsule volume. The cross sections were derived from ENDF B/V Dosimetry File up to 20 MeV and were based on calculations with the code ALICE up to 200 MeV. From 200 to 800 MeV an empirical extrapolation was employed since no data, calculated or measured, were available at the moment. An attempt has been made in this paper to revisit the interpretation of the experiment reconsidering the cross sections in the energy range from 200 to 800 MeV as given by the semiempirical models of Rudstam, Silberger& Tsao and Hufner.

Author Information

Bortignon, PF
Politecnico di Milano
Mariani, F
Politecnico di Milano
Perini, A
Politecnico di Milano
Sangiust, V
Politecnico di Milano
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Developed by Committee: E10
Pages: 804–810
DOI: 10.1520/STP15178S
ISBN-EB: 978-0-8031-5281-6
ISBN-13: 978-0-8031-1899-7