Beta energy dependence of the Ag-doped phosphate glass detector response

Abstract : The radiophotoluminescent (RPL) signal of Ag-doped phosphate glass detectors to β-radiation is significantly influenced by β-particle energy. We investigate the β-particle energy and angular dependence of incident β radiation on the RPL signal emitted from the detectors. The results of measurements and MCNPX simulations show that the detector sensitivity decreases with increasing β-energy and has little dependence on the angle of incidence. The consequence is that a dose assessment will be strongly biased if the detector calibration is performed with β-rays different from those monitored.
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https://hal.archives-ouvertes.fr/hal-02264956
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Submitted on : Thursday, August 8, 2019 - 1:26:52 AM
Last modification on : Wednesday, August 21, 2019 - 7:19:39 AM

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Y.O. Salem, A. Nourreddine, Z. El Bitar, N. Arbor, O. Bolusset. Beta energy dependence of the Ag-doped phosphate glass detector response. Radiat.Meas., 2019, 126, pp.106136. ⟨10.1016/j.radmeas.2019.106136⟩. ⟨hal-02264956⟩

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