Abstract
Solid state nuclear track detectors (SSNTDs) are widely used in fast neutron dosimetry. Latent tracks formed by slowed-down protons resulting from (n,p)-scattering are usually visualized by electrochemical etching (ECE). To estimate the detection efficiency of a SSNTD the proton response and the etching parameters are required. An irradiation device for angular and energy-dependent irradiations using Rutherford backscattering has been constructed. The CR-39 detectors were irradiated with monoenergetic and parallel protons from 131 to 925 keV at 11 different angles of incidence. The critical angle of incidence to protons for a two-step ECE process is presented.
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