Physics-based generation of gamma-ray response functions for CdZnTe detectors

T. Prettyman; C. Cooper; P. Luke; P. Russo; M. Amman; D. Mercer

doi:10.1007/bf02389681

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 233: Issue 1-2

Physics-based generation of gamma-ray response functions for CdZnTe detectors

Authors:

T. Prettyman

T. Prettyman Los Alamos National Laboratory NIS-5 MS E540 Los Alamos NM USA

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C. Cooper

C. Cooper Los Alamos National Laboratory NIS-5 MS E540 Los Alamos NM USA

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P. Luke

P. Luke Lawrence Berkeley National Laboratory Berkeley CA USA

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P. Russo

P. Russo Los Alamos National Laboratory NIS-5 MS E540 Los Alamos NM USA

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M. Amman

M. Amman Lawrence Berkeley National Laboratory Berkeley CA USA

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D. Mercer

D. Mercer Los Alamos National Laboratory NIS-5 MS E540 Los Alamos NM USA

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Pages:: 257–264

Online Publication Date:: 12 Apr 2006

Publication Date:: 17 Jul 1998

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02389681

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Abstract

A physics-based approach to gamma-ray response-function generation is presented in which the response of CdZnTe detectors is modeled from first principles. Numerical modeling is used to generate response functions needed for spectrum analysis for general detector configurations (e.g., electrode design, detector materials and geometry, and operating conditions). With numerical modeling, requirements for calibration and characterization are significantly reduced. Elements of the physics-based model, including gamma-ray transport, charge carrier drift and diffusion, and circuit response, are presented. Calculated and experimental gamma-ray spectra are compared for a coplanar-grid CdZnTe detector.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)