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Radiation hardness study using SiPMs with single-cell readout

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arxiv 2111.00483 v1 pith:WZBIFGHW submitted 2021-10-31 physics.ins-det hep-ex

Radiation hardness study using SiPMs with single-cell readout

classification physics.ins-det hep-ex
keywords gainfluenceradiationsingle-cellsipmsturn-offvoltageapprox
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A dedicated single-cell SiPM structure is designed and measured to investigate the radiation damage effects on the gain and turn-off voltage of SiPMs exposed to a reactor neutron fluence up to $\Phi$ = 5e13 cm$^{-2}$. The cell has a pitch of 15 $\mu$m. The fluence dependence of gain and turn-off voltage are reported. A reduction of the gain by 19% and an increase of $V_{off}$ by $\approx$0.5 V is observed after $\Phi$ = 5e13 cm$^{-2}$.

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