Nuisances of SiPMs and how to deal with them in ... - KICP Workshops

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Outer reflective surface Optical Crosstalk (OC) OC is determined by geometry and gain Direct OC Indirect OC Hamamatsu 3x3mm 2 MPPC, shaped signal Trenches and lower cell capacitance help to reduce/eliminate OC Ketek, Excelitas, Hamamatsu, SensL, ST Microelectronics, ....
Non-Poisson tails due to optical crosstalk For us relevant is only direct OC: It causes random large pulses leading to an increase in accidental trigger rates and worse event reconstruction P(n) = λ n /n! exp(-λ) Physical limit below trigger Non-poisson tails Nepomuk Otte Disc. Threshold accidental triggers Otte, (2007) 27
Page 1 and 2: Nuisances of SiPMs and how to deal
Page 3 and 4: CTA-US SC telescope Schwarzschild C
Page 5 and 6: Module Conceptional Design Cold fin
Page 7 and 8: Night Sky Background Light From sta
Page 9 and 10: Intensities are not to scale Nepomu
Page 11 and 12: P(n) = λ n /n! exp(-λ) Non-Poisso
Page 13 and 14: Operational Requirements Purpose of
Page 15 and 16: Output signals
Page 17 and 18: Faster output pulses by adding one
Page 19 and 20: Temperature Dependencies Critical E
Page 21 and 22: PDE Different effects contribute to
Page 23 and 24: Conceptual Design Primary goal for
Page 25: Photon Emission during Breakdown Av
Page 29 and 30: Dependency of gain on NSB rate Larg

Nuisances of SiPMs and how to deal with them in ... - KICP Workshops

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