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Abstract

The aim of the present paper is twofold: first it wants to summarize the results obtained with a new data evaluation of the Sb-Be active neutron interrogation, namely PHONID, measurements. Secondly, we want to present here an assessment study to show the feasibility of and the interest in performing active - passive measurements of Pu bulk samples by means of PHONID series instruments. The measurements were carried out partly with PHONID 3, which started its field operations in 1984, and partly with PHONID 2, which has been operating for many years. Among the others, it is worth noticing a preliminary measurement campaign on Pu samples, whose results are here reported. The theoretical results, presented in the second section of this paper, were obtained by means of different codes, among which a Monte Carlo Code (TIMOC) whose reliability has been well proved. The assessment study concerns an active - passive emission analysis and an error propagation analysis for the overall uncertainty on the total Pu mass determination.

Additional information

Authors: DELL'ORO P, JRC ISPRA ESTAB. (ITALY);SCK/CEN, MOL (BELGIUM);CESNEF, POLYTECHNIC, MILANO (ITALY);GUARDINI S, JRC ISPRA ESTAB. (ITALY);SCK/CEN, MOL (BELGIUM);CESNEF, POLYTECHNIC, MILANO (ITALY);PROSDOCIMI A, JRC ISPRA ESTAB. (ITALY);SCK/CEN, MOL (BELGIUM);CESNEF, POLYTECHNIC, MILANO (ITALY);CARCHON R, JRC ISPRA ESTAB. (ITALY);SCK/CEN, MOL (BELGIUM);CESNEF, POLYTECHNIC, MILANO (ITALY);SMAERS G, JRC ISPRA ESTAB. (ITALY);SCK/CEN, MOL (BELGIUM);CESNEF, POLYTECHNIC, MILANO (ITALY);COLOMBO R JRC ISPRA ESTAB. (ITALY), JRC ISPRA ESTAB. (ITALY);SCK/CEN, MOL (BELGIUM);CESNEF, POLYTECHNIC, MILANO (ITALY);SCK/CEN, MOL (BELGIUM), JRC ISPRA ESTAB. (ITALY);SCK/CEN, MOL (BELGIUM);CESNEF, POLYTECHNIC, MILANO (ITALY);CESNEF, POLYTECHNIC, MILANO (ITALY), JRC ISPRA ESTAB. (ITALY);SCK/CEN, MOL (BELGIUM);CESNEF, POLYTECHNIC, MILANO (ITALY)
Bibliographic Reference: 7TH ESARDA SYMPOSIUM ON SAFEGUARDS AND NUCLEAR MATERIAL MANAGEMENT, LIEGE (BELGIUM), MAY 21-23, 1985 WRITE TO CEC LUXEMBOURG, DG XIII/A2, POB 1907 MENTIONING PAPER E 32125 ORA
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Record Number: 1989123093300 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en