Nuisances of SiPMs and how to deal with them in ... - KICP Workshops
Nuisances of SiPMs and how to deal with them in ... - KICP Workshops
Nuisances of SiPMs and how to deal with them in ... - KICP Workshops
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Diode capacitances<br />
G = ΔQ = C * ΔU<br />
Bias above breakdown<br />
Breakdown voltage<br />
<strong>in</strong>creases <strong>with</strong><br />
temperatures<br />
For fixed bias <strong>in</strong>crease<br />
<strong>of</strong> ΔU -> <strong>in</strong>crease <strong>of</strong><br />
ga<strong>in</strong><br />
Ga<strong>in</strong><br />
A typical value for ga<strong>in</strong> change is 2.5%/C (e.g. Hamamatsu MPPC)<br />
Nepomuk Otte<br />
-0.8% / C<br />
But values <strong>of</strong> 0.5% /C are possible if cell capacitances are reduced<br />
20
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