Counter for Use in Scattering and Disintegration Experiments

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Abstract
A description is given of a chamber used for studying the angular distribution of scattering of neutrons by helium. This counter can be used either as an ionization chamber or as a proportional counter. Results of tests made with the N (n, p) reaction for slow neutrons are included. These tests show a width of the 0.6-Mev line at half-height to be about 35 kev, indicating that it should be possible to separate low energy neutron groups which differ in energy by about 50 kev.

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