Charge-carrier collective motion in germanium detectors for $$\beta \beta $$-decay searches
Abstract The time analysis of the signal induced by the drift of charge carriers in high purity germanium detectors provides information on the event topology. Millions of charge carriers are produced in a typical event. Their initial distribution, stochastic diffusion and Coulomb self-repulsion aff...
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| Published in | The European physical journal. C, Particles and fields Vol. 81; no. 1 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
25.01.2021
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| Online Access | Get full text |
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| Summary: | Abstract
The time analysis of the signal induced by the drift of charge carriers in high purity germanium detectors provides information on the event topology. Millions of charge carriers are produced in a typical event. Their initial distribution, stochastic diffusion and Coulomb self-repulsion affect the time structure of the signal. We present a comprehensive study of these effects and evaluate their impact on the event discrimination capabilities for the three geometries which will be used in the
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experiment for neutrinoless double-beta decay. |
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| ISSN: | 1434-6044 1434-6052 |
| DOI: | 10.1140/epjc/s10052-021-08889-0 |