CdTe and CdZnTe X-ray and gamma-ray detectors for imaging systems

Y Eisen, A Shor, I Mardor - IEEE Transactions on Nuclear …, 2004 - ieeexplore.ieee.org
This review paper presents the current state of the art imaging systems using room-
temperature CdTe and CdZnTe X-ray and gamma-ray detectors. Imaging systems …

Recent developments in the fabrication and operation of germanium detectors

K Vetter - Annu. Rev. Nucl. Part. Sci., 2007 - annualreviews.org
Although developed and first demonstrated more than 40 years ago, germanium detectors
still represent the gold standard in detecting γ radiation for energies ranging from …

A new high-background-rejection dark matter Ge cryogenic detector

A Broniatowski, X Defay, E Armengaud, L Berge… - Physics Letters B, 2009 - Elsevier
A new design of a cryogenic germanium detector for dark matter search is presented, taking
advantage of the coplanar grid technique of event localisation for improved background …

SPEIR: a Ge Compton camera

L Mihailescu, KM Vetter, MT Burks, EL Hull… - Nuclear Instruments and …, 2007 - Elsevier
The SPEctroscopic Imager forγ-Rays (SPEIR) is a Compton scatter γ-ray imaging system of
high efficiency and spectroscopic resolution with a 4-π field-of-view. The imaging system …

1-μm spatial resolution in silicon photon-counting CT detectors

C Sundberg, M Persson, JJ Wikner… - Journal of Medical …, 2021 - spiedigitallibrary.org
Purpose: Spatial resolution for current scintillator-based computed tomography (CT)
detectors is limited by the pixel size of about 1 mm. Direct conversion photon-counting …

Detection and imaging of the Crab Nebula with the nuclear Compton telescope

MS Bandstra, EC Bellm, SE Boggs… - The Astrophysical …, 2011 - iopscience.iop.org
ABSTRACT The Nuclear Compton Telescope (NCT) is a balloon-borne Compton telescope
designed for the study of astrophysical sources in the soft gamma-ray regime (200 keV–20 …

Fabrication and characterization of high-purity germanium detectors with amorphous germanium contacts

XH Meng, GJ Wang, MD Wagner, H Mei… - Journal of …, 2019 - iopscience.iop.org
Abstract Large, high-purity, germanium (HPGe) detectors are needed for neutrinoless
double-beta decay and dark matter experiments. Currently, large (> 4 inches in diameter) …

High resolution gamma-ray spectroscopy at high count rates with a prototype high purity germanium detector

RJ Cooper, M Amman, K Vetter - … and Methods in Physics Research Section …, 2018 - Elsevier
High-resolution gamma-ray spectrometers are required for applications in nuclear
safeguards, emergency response, and fundamental nuclear physics. To overcome one of …

Crystal growth and detector performance of large size high-purity Ge crystals

G Wang, M Amman, H Mei, D Mei, K Irmscher… - Materials Science in …, 2015 - Elsevier
High-purity germanium crystals approximately 12 cm in diameter were grown in a hydrogen
atmosphere using the Czochralski method. The dislocation density of the crystals was …