Preliminary results obtained from a high resolution hybrid CdZnTe pixel detector developed for high energy X-ray astronomy

Author

Tümer, T.O. ; Finger, M. ; Gordon, E.E. ; Hamilton, W.J. ; Hurley, K. ; Maeding, D.G. ; Mohanty, G. ; Ogelman, H. ; Paulos, R.J. ; Zweerink, J.

Author_Institution

California Univ., Riverside, CA, USA

Volume

1

fYear

2000

fDate

2000

Firstpage

32964

Abstract

New, high spatial resolution CdZnTe (CZT) and silicon (Si) pixel detectors are developed for high angular and high energy resolution X-ray astronomy. These detectors can be used for wide field-of-view all-sky X-ray, and gamma-ray monitors such as the AXGAM instrument and focusing X-ray imagers such as the high energy detector (HXT) proposed for the CONSTELLATION mission. The high stopping power of CZT detectors combined with low-noise front-end readout electronics ASIC (application specific integrated circuit) makes possible an order of magnitude improvement in spatial (angular) and energy resolution in X-ray detection. If silicon pixel detectors are used the energy threshold can be lowered. The preliminary test results obtained from our first silicon and CZT pixel detectors are presented. These detectors may also be used with or without modification for medical and industrial imaging

Keywords

X-ray astronomy; application specific integrated circuits; astronomical instruments; nuclear electronics; position sensitive particle detectors; readout electronics; semiconductor counters; silicon radiation detectors; ASIC; AXGAM instrument; CONSTELLATION; CdZnTe; CdZnTe detector; HXT; Si; Si detector; focusing X-ray imagers; high energy X-ray astronomy; high resolution; hybrid CdZnTe pixel detector; industrial imaging; medical imaging; spatial resolution; stopping power; Application specific integrated circuits; Astronomy; Energy resolution; Gamma ray detection; Gamma ray detectors; Silicon; Spatial resolution; X-ray detection; X-ray detectors; X-ray imaging;

fLanguage

English

Publisher

ieee

Conference_Titel

Nuclear Science Symposium Conference Record, 2000 IEEE

Conference_Location

Lyon

ISSN

1082-3654

Print_ISBN

0-7803-6503-8

Type

conf

DOI

10.1109/NSSMIC.2000.949054

Filename

949054