CR-39 registration efficiency of protons using electrochemical etching

F. Fernandez, C. Baixeras, M. Zamani, D. Lopez, S. Jokic, M. Debeauvais, J. Ralarosy

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7 Citations (Scopus)

Abstract

The response of CR-39 to protons of energies ranging from 300 keV to 2 MeV at different incidence angles was studied using electrochemical etching (ECE). A power supply giving up to 2 kV(rms) at variable frequency between 0.3 and 6.5 kHz was used. In order to reduce background tracks and to obtain the best reproducibility a pre-etching was carried out before irradiation. Position effects of the electrodes were studied. An optimum distance was found to be dependent on ECE conditions: for 32 kV · cm-1, 2.5 kHz and 6N KOH solution at 50°C this distance was found to be 2.2 cm. The detection efficiency results obtained for protons were presented as a function of their energy and the incidence angle.
Original languageEnglish
Pages (from-to)175-178
JournalRadiation Protection Dosimetry
Volume23
Issue number1-4
Publication statusPublished - 1 Jan 1988

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