The electron energy dependence of the TL response for CVD diamonds

LPES-CRESA, Laboratoire de Physique Electronique des Solides, Centre de Recherche sur les Solides et leurs Applications, EA1174, Université de Nice-Sophia Antipolis, Parc Valrose, 06108 Nice cedex 2, France.
Radiation Protection Dosimetry (Impact Factor: 0.91). 02/2006; 119(1-4):49-52. DOI: 10.1093/rpd/nci614
Source: PubMed


The thermoluminescent (TL) response of CVD diamond is investigated after bombarding a sample with monoenergetic electrons
(at 6 and 21 MeV). Irradiations are performed at room temperature with a medical linear electron accelerator PRIMUS (KD2-Siemens).
The TL curve shows a peak at ∼540 K. The area of this peak as a function of fluence exhibits saturation behaviour at high
energies. Moreover, there is no significant difference between the TL response at 21 MeV electrons and that at 6 MeV. In order
to explain these experimental results, calculations of the ionising dose have been performed with the code MCNPX (Monte Carlo
N-Particle) for various incident energies from 0.1 MeV up to 100 MeV.

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