Title:
例えば使用済核燃料のような物体により放出されるガンマ線スペクトル及び中性子の両方を測定するモニタ
Document Type and Number:
Japanese Patent JP3940961
Kind Code:
B2
Abstract:
The present invention concerns a monitor for measuring both the gamma spectrum and neutrons emitted by a spent nuclear fuel pin or pin assembly. According to the invention, it comprises a lead block (1) presenting a front face (8) intended to be brought close to said pin (7) or assembly to be measured and incorporating - a gamma detector (2) for gamma spectroscopy located close to a rear face of said block and associated with a collimator (4) extending from said front face to said gamma detector, - two neutron detectors (3) which extend parallelly to each other and to said front face and are disposed symmetrically on either side of the axis of said collimator (4) close to said front face (8).
Inventors:
Nicolau George
Abaca camel
Cohort tar
Abaca camel
Cohort tar
Application Number:
JP51798298A
Publication Date:
July 04, 2007
Filing Date:
October 07, 1997
Export Citation:
Assignee:
Europian Atomic Energy Community (Euratom)
International Classes:
G01T3/00; G21C17/06; G01T3/06; G01T7/00
Domestic Patent References:
| JP6160585A | ||||
| JP1092692A | ||||
| JP61176876A |
Foreign References:
| US4510117 |
Attorney, Agent or Firm:
Katsuzo Asakura