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Polyvinyltoluene scintillators for relative ion dosimetry: An investigation with Helium, Carbon and Neon beams

Abstract : We present a dosimeter prototype, devoted to ion beam dosimetry, tested with Helium, Carbon and Neon ions having an equivalent range in water of 150 mm. A polyvinyltoluene based plastic scintillator is used to convert the deposited energy into scintillation, a measurement probe and a long optical fibre guide the light to a photon counting unit. Using 10–40 μm thick scintillators we show that the dosimeter gain is enough to provide useful measurements, the ion-induced scintillation can be interpreted using a model taking into account the energy deposited by secondary electrons. For a practical purpose it is shown that a linear relationship can be established between the scintillation signal and the relative dose.
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Submitted on : Friday, November 17, 2006 - 3:47:12 PM
Last modification on : Friday, May 8, 2020 - 1:09:49 AM
Long-term archiving on: : Tuesday, April 6, 2010 - 11:00:26 PM

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D. Broggio, R. Barillon, J.M. Jung, N. Yasuda, T. Yamauchi, et al.. Polyvinyltoluene scintillators for relative ion dosimetry: An investigation with Helium, Carbon and Neon beams. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Elsevier, 2007, 254, pp.3-9. ⟨10.1016/j.nimb.2006.09.009⟩. ⟨in2p3-00114780⟩

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