期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 86, 期 5, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4921195
关键词
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资金
- European Research Council (ERC) through StG [279765]
- FEDER
- FCT [PTDC/FIS-NUC/0843/2012, SFRH/BPD/76842/2011, SFRH/BPD/74775/2010, SFRH/BPD/92329/2013, SFRH/BD/52332/2013]
- SNF [200021L-138175]
- Fundacao para a Ciencia e a Tecnologia (FCT), Portugal [PEstOE/FIS/UI0303/2011, PTDC/FIS/117606/2010]
- European Community Fund FEDER through the COMPETE
- [DFG_GR_3172/9-1]
- Fundação para a Ciência e a Tecnologia [SFRH/BPD/74775/2010, PTDC/FIS-NUC/0843/2012] Funding Source: FCT
- European Research Council (ERC) [279765] Funding Source: European Research Council (ERC)
Avalanche photodiodes are commonly used as detectors for low energy x-rays. In this work, we report on a fitting technique used to account for different detector responses resulting from photoabsorption in the various avalanche photodiode layers. The use of this technique results in an improvement of the energy resolution at 8.2 keV by up to a factor of 2 and corrects the timing information by up to 25 ns to account for space dependent electron drift time. In addition, this waveform analysis is used for particle identification, e.g., to distinguish between x-rays and MeV electrons in our experiment. (C) 2015 AIP Publishing LLC.
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