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A Correction Factor to the Two-Bias Method for Determining Mobility-Lifetime Products in Pixelated Detectors.
- Source :
-
IEEE Transactions on Nuclear Science . Jun2016 Part 3, Vol. 63 Issue 3c, p1832-1838. 7p. - Publication Year :
- 2016
-
Abstract
- The two-bias method typically used to calculate the mobility-lifetime product ( $\mu \tau $ ) in single-polarity charge sensing detectors, uses induced signals from cathode-side events to measure the $\mu \tau $ . This method assumes an ideal weighting potential (exactly zero through the bulk and a rapid rise to unity at the anode). When a non-ideal weighting potential (e.g., from a pixelated detector) is used, the $\mu \tau $ is systematically overestimated. In this work, we characterize this overestimation and present a simple correction factor $k$ that can be applied to pixelated electrode configurations. It was found that the correction factor is only dependent on the pixel-pitch to detector thickness ratio. [ABSTRACT FROM PUBLISHER]
- Subjects :
- *REMOTE sensing
*STATISTICAL weighting
*CATHODES
*ELECTRODES
*CORRECTION factors
Subjects
Details
- Language :
- English
- ISSN :
- 00189499
- Volume :
- 63
- Issue :
- 3c
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Nuclear Science
- Publication Type :
- Academic Journal
- Accession number :
- 116342908
- Full Text :
- https://doi.org/10.1109/TNS.2016.2548420