Study of sub-pixel position resolution with time-correlated transient signals in 3D pixelated CdZnTe detectors with varying pixel sizes

Study of sub-pixel position resolution with time-correlated transient signals in 3D pixelated CdZnTe detectors with varying pixel sizes

We evaluated the sub-pixel position resolution achievable in large-volume CdZnTe pixelated detectors with conventional pixel patterns and for several different pixel sizes: 2.8 mm, 1.72 mm, 1.4 mm and 0.8 mm. Achieving position resolution below the physical dimensions of pixels (sub-pixel resolution...

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Veröffentlicht in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2018-03, Vol.884, p.136-139
Hauptverfasser: Ocampo Giraldo, L., Bolotnikov, A.E., Camarda, G.S., De Geronimo, G., Fried, J., Gul, R., Hodges, D., Hossain, A., Ünlü, K., Vernon, E., Yang, G., James, R.B.
Format: Artikel
Sprache:eng
Schlagworte:
3D pixelated detectors
CdZnTe
Charge sharing
Charge-loss correction
Crystal defects
High-granularity detectors
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
MATERIALS SCIENCE
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Zusammenfassung:We evaluated the sub-pixel position resolution achievable in large-volume CdZnTe pixelated detectors with conventional pixel patterns and for several different pixel sizes: 2.8 mm, 1.72 mm, 1.4 mm and 0.8 mm. Achieving position resolution below the physical dimensions of pixels (sub-pixel resolution) is a practical path for making high-granularity position-sensitive detectors,
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2017.12.024