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Revista mexicana de física

Print version ISSN 0035-001X


POLICRONIADES, R. et al. Directional properties of a modified Bonner spectrometer. Rev. mex. fis. [online]. 2002, vol.48, n.3, pp.267-270. ISSN 0035-001X.

The study of the directional properties of a modified Bonner type spectrometer, are reported in this paper. It was established in a previous publication [1], that a small radial hole on each polyethylene sphere gives rise to a directional sensitivity when used on this apparatus. Now, the directional properties are further improved by adding a thin cylindrical cadmium shell inserted in the radial holes of each sphere. The angular response for a set of six spheres is reported using, both, a fast (non-moderated) and a moderated neutron source provided by the 9Be(d,n)10B reaction by bombarding a thick beryllium target with 4 MeV deuterons.

Keywords : Neutron spectrometer; Bonner spheres; angular response.

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