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Report No.

Tracking the behavior of fusion neutrons !!; The Latest research on the double-differential cross sections

Murata, Isao*; Kondo, Keitaro; Miyamaru, Hiroyuki*; Ochiai, Kentaro

In order to obtain high precision cross-section data, which is indispensable for a fusion reactor design, Osaka University has advanced the development of two of new double-differential cross-section measurement techniques for about ten years through a joint research with Japan Atomic Energy Agency (JAEA). A direct measurement of (n,2n) reaction cross-sections based on neutron emission spectra and a highly accurate charged particle emission double-differential cross-section measurement are realized by using a unique DT neutron pencil beam in the world furnished at the FNS facility of JAEA. This article plainly explains the latest result of the detailed cross-section measurements for beryllium, zirconium and fluorine as well as the outline of the measurement techniques.



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