Study of the inter-strip gap effects on the response of Double Sided Silicon Strip Detectors using proton micro-beams

Study of Inter-Strip Gap Effects and Efficiency for Full Energy Detection of Double Sided Silicon Strip Detectors

“…The front coincidence plot is characterized by the presence of negative signals, which have been already observed in previous works [1,2]. As it is discussed in details in [5,6], this type of response is due to an accumulation of charge in the insulating layer of SiO 2 producing an inverted electric field which modify charge collection for inter-strip events. In this case the inter-strip region is not a simple straight line joining the FEPs.…”

“…Results confirmed that both front and back effective inter-strip widths, which are related to the efficacy for full energy detection, can be much larger than the nominal geometric width of the SiO 2 zone and depend on the operating conditions. All the experimental observations were qualitatively described by simulations based on the Shockley-Ramo-Gunn framework [6]. Therefore, for those experiments aiming at accurately measuring absolute cross-sections , especially if two or more DSSSD are used in coincidence, efficiency for full energy detection cannot be deduced from the geometric inter-strip width but a complete characterization of the used DSSSDs is necessary.…”

“…In the right side of figure 2 the result of a simulation, based on the ShockleyRamo-Gunn framework, is reported. By assuming a build up of positive charge at the oxide interface in the front inter-strip and of negative charge at the oxide interface in the back inter-strip a satisfactory qualitative reproduction of all the observed inter-strip effects has been obtained [6].…”

Clusters in neutron-rich light nuclei

“…Due to the large size of all detectors (50×50 mm 2 ) and their fine segmentation, telescopes covered rather large solid angle with good angular resolution. This same segmentation makes the analysis of obtained experimental data rather demanding -complications associated with dead layers [18] or interstrip gaps [19,20] are only part of the problem, the very basic one being a calibration of a large number of apparently independent detector channels. Several novel calibration improvements described in detail in ref.…”

Effects of the interstrip gap on the efficiency and response of Double Sided Silicon Strip Detectors

“…Each strip is 3 mm wide and they are separated by a SiO 2 layer 1 μm wide that in the following is called interstrip. it is known that that particles entering the detector through the SiO 2 insulating interstrip region, can produce signals with an amplitude which is different than the full energy and also signals with an opposite polarity [1][2][3][4][5][6]. For this reason it is very important to be able to reject interstrip events by selecting only the events producing the correct full energy signals.…”