Optical Photon Propagation Characteristics and Thickness Optimization of LaCl3:Ce and LaBr3:Ce Crystal Scintillators for Nuclear Medicine Imaging

S Tseremoglou, C Michail, I Valais, K Ninos, A Bakas… - Crystals, 2023 - mdpi.com
The present study focuses on the determination of the optimal crystal thickness of LaCl3: Ce
and LaBr3: Ce crystal scintillators for Nuclear Medicine Imaging applications. A theoretical …

Evaluation of Cerium-Doped Lanthanum Bromide (LaBr3:Ce) Single-Crystal Scintillator's Luminescence Properties under X-ray Radiographic Conditions

S Tseremoglou, C Michail, I Valais, K Ninos, A Bakas… - Applied Sciences, 2022 - mdpi.com
In the present study, the response of the crystalline scintillator LaBr3: Ce when excited with
X-rays at tube voltages from 50 kVp to 150 kVp was investigated, for possible use in hybrid …

Novel Detector Configurations in Cone-Beam CT Systems: A Simulation Study

E Karali, C Michail, G Fountos, N Kalyvas, I Valais - Crystals, 2024 - mdpi.com
Cone-beam computed tomography (CBCT) has emerged in recent years as an adequate
alternative to mammography and tomosynthesis due to the several advantages over …

Multi-photon decay mode spectroscopy of positronium

S Johnson - 2022 - open.uct.ac.za
An approximation for the branching ratio of the four-photon decay of parapositronium (BR4γ)
was measured using a multi-gamma-ray spectrometer. For the first time in such …