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Description of current pulses induced by heavy ions in silicon detectors

M. Pârlog 1 H. Hamrita 2, 3 B. Borderie 3
1 LPCC - Laboratoire de physique corpusculaire de Caen
2 LIST - Laboratoire d'Intégration des Systèmes et des Technologies
3 IPNO - Institut de Physique Nucléaire d'Orsay
Abstract : The polarization of the electron-hole pairs induced by 80 MeV View the MathML source ions in a silicon detector was considered and connected to the relative dielectric permittivity. The dissociation of pairs was supposed to take place with a constant probability in a time unit. The exact coordinate dependence of the modified electric field, inside and outside the ion range, was found as the solution of the one-dimensional Maxwell's equation for the electric field in this inhomogeneous medium. The improvement of the current signal simulation with that time-dependent treatment is encouraging, as compared to a prompt carrier collection in an undisturbed electric field.
Keywords : Current pulse Pulse shapeanalysis Silicon detectors Carrier pairdissociation Dielectric permittivity
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Journal articles
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http://hal.in2p3.fr/in2p3-00451188
Contributor : Sandrine Guesnon <>
Submitted on : Thursday, January 28, 2010 - 4:01:06 PM
Last modification on : Wednesday, September 16, 2020 - 4:07:26 PM

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M. Pârlog, H. Hamrita, B. Borderie. Description of current pulses induced by heavy ions in silicon detectors. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2010, 613, pp.290-294. ⟨10.1016/j.nima.2009.12.010⟩. ⟨in2p3-00451188⟩

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