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Dependency on the silicon detector working bias for proton-deuteron particle identification at low energies

Abstract : Proton-deuteron identification at energies between 2.5 MeV and 6 MeV has been studied as a function of the detector working bias. Digital pulse shape analysis (DPSA) has been used to perform the separation from the two mono-energetic beams. The technique makes use of the current signal delivered by a View the MathML source500μm neutron transmutation doped (NTD) silicon detector, which was setup for low-field injection. It is shown that identification of the H isotopes is better when the detector working bias is close to the depletion voltage rather than over-depletion. The presence of high frequency noise diminished the possibility of identification, however, the use of a simple triangular smoothing algorithm counteracted this.
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http://hal.in2p3.fr/in2p3-00842354
Contributor : Sophie Heurteau <>
Submitted on : Monday, July 8, 2013 - 2:27:05 PM
Last modification on : Wednesday, September 16, 2020 - 4:08:16 PM

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J.A. Dueñas, D. Mengoni, M. Assie, V.V. Parkar, A.M. Sánchez Benítez, et al.. Dependency on the silicon detector working bias for proton-deuteron particle identification at low energies. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2013, 714, pp.48-52. ⟨10.1016/j.nima.2013.02.032⟩. ⟨in2p3-00842354⟩

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