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<br>This bar profile is here demonstrated in a position to offer the required spatial decision in reconstructing the place of the crossing particle by profiting of the cost-sharing between adjoining bars readout in analog mode. SiPMs are wonderful candidates in replacing commonplace photomultipliers in lots of experimental situations. Tests have been performed with laser beam pulses and radioactive source so as to characterize the scintillator bar response and SiPM behaviour. Here we briefly current the observed behaviour of the SiPM utilized in our assessments concerning the primary sources of noise and the impact of temperature on its response and [iTagPro portable](https://bandadelriosali.gob.ar/el-camion-de-carne-popular-en-el-club-los-vallistos/carne-popular-en-banda-del-rio-sali-2) linearity. Several models and packaging have been thought-about. The main supply of noise which limits the SiPM’s single photon resolution is the "dark current" fee. It's originated by cost carriers thermally created within the delicate volume and present within the conduction band and subsequently it depends upon the temperature. The dependence of the dark current single pixel charge as a function of the temperature has been investigated using Peltier cells so as to alter and keep the temperature controlled.<br> | |||
<br>Dark current charge depends also on the Vwk as shown in Fig. 3. In an effort to have low rates of dark present the worth of Vbias has been mounted at 1.5 V giving a working voltage Vwk of 29 V. It is evident that, if needed, it may be handy to use a bias voltage regulator which mechanically compensates for temperature variations. Not always the pixels of the SiPM work independently from each other. Photoelectrons (p.e.) can migrate from the hit pixel to another circuitously fired by a photon. Optical cross-speak between pixels results in a non-Poissonian behaviour of the distribution of fired pixels. An estimate of the optical cross talk likelihood might be obtained by the ratio double-to-single pulse price as a perform of the temperature. The probability depends weakly on the temperature and the measured degree of cross-speak (15-16%) is appropriate with the one reported in the datasheet. SiPM response once its primary parameters and cells configuration are given.<br> |