Effects of irradiation of energetic heavy ions on digital pulse shape analysis with silicon detectors

Abstract : The next generation of 4π detector arrays for heavy ion studies will largely use Pulse Shape Analysis to push the performance of silicon detectors with respect to ion identification. Energy resolution and pulse shape identification capabilities of silicon detectors under prolonged irradiation by energetic heavy ions have thus become a major issue. In this framework, we have studied the effects of irradiation by energetic heavy ions on the response of neutron transmutation doped (nTD) silicon detectors. Sizeable effects on the amplitude and the risetime of the charge signal have been found for detectors irradiated with large fluences of stopped heavy ions, while much weaker effects were observed by punching-through ions. The robustness of ion identification based on digital pulse shape techniques has been evaluated.
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Submitted on : Tuesday, January 29, 2013 - 10:09:10 PM
Last modification on : Tuesday, February 19, 2019 - 11:16:01 AM

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S. Barlini, S. Carboni, L. Bardelli, N. Le Neindre, M. Bini, et al.. Effects of irradiation of energetic heavy ions on digital pulse shape analysis with silicon detectors. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2013, 707, pp.89-98. ⟨10.1016/j.nima.2012.12.104⟩. ⟨in2p3-00782509⟩

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