Characterization of light particles (Z ≤ 2) discrimination performances by pulse shape analysis techniques with high-granularity silicon detector
- Assié, M.
- Crom, B. Le
- Genolini, B.
- Chabot, M.
- Mengoni, D.
- Dueñas, J. A.
- Ancelin, S.
- Beaumel, D.
- Blumenfel, Y.
- Séréville, N. De
- Dormard, J. J.
- Faul, T.
- Guillot, J.
- Jallat, A.
- Ven, V. Le
- Martel, I.
- Rauly, E.
- Suzuki, D.
- Torrento, A. -S.
DOIAbstract
International audiencePulse shape analysis for light particles () is studied in a 500 μm thick Double-Sided Stripped Silicon Detector (DSSSD) of nTD type with a pitch lower than 500 μm. Good separation between the isotopes is achieved irrespective of the side used for signal pick up with the detector biased at depletion voltage. The low energy threshold for discrimination between isotopes is found to be around 2.5 MeV at depletion voltage and the quality of the separation can be slightly improved by using filtering methods. On the other hand, the discrimination performances are enhanced when lowering the bias of the detector at the expense of energy resolution. At nominal bias (i.e. overdepletion) where the energy resolution is the best, no...
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