Construction and evaluation of a large radiation detector for Positron Emission Tomography applications [0.03%]
用于正电子发射断层扫描应用的一种大型辐射探测器的构造与评估
R R Raylman,A V Stolin,G Jaliparthi et al.
R R Raylman et al.
Large arrays of pixelated scintillator potentially have application in economical construction of PET scanners. In this investigation, we constructed and evaluated a detector with an active area of 32.26 × 13.47 cm2. It is based on a 218 ...
Depth resolved pencil beam radiography using AI - a proof of principle study [0.03%]
基于AI的深度分辨束流透射成像概念验证研究
Ida Häggström,Lukas M Carter,Thomas J Fuchs et al.
Ida Häggström et al.
Aims: Clinical radiographic imaging is seated upon the principle of differential keV photon transmission through an object. At clinical x-ray energies the scattering of photons causes signal noise and is utilized solely f...
G Garty,A D Harken,D J Brenner
G Garty
Standard dosimetry protocols exist for highly penetrating photon and particle beams used in the clinic and in research. However, these protocols cannot be directly applied to shallow penetration MeV-range ion beams. The Radiological Researc...
A high resolution and high detection efficiency depth-encoding detector for brain positron emission tomography based on a 0.75 mm pitch scintillator array [0.03%]
一种高分辨率、高检测效率的脑部PET深穿透探测器：基于0.75mm像素间距闪烁阵列
J Du,S R Cherry
J Du
The quantitative accuracy and precision of brain positron emission tomography (PET) studies can be considerably improved using dedicated brain PET scanners with a uniform high resolution and a high sensitivity across the brain volume. One a...
Tomographic imaging with Compton PET modules: ideal case and first implementation [0.03%]
基于康普顿PET探测器模块的层析成像的理论分析与实验研究
P Peng,M Zhang,N Zeraatkar et al.
P Peng et al.
In our previous studies, we demonstrated that the Compton PET module, a layer structure PET detector with side readout, can provide high performance in terms of spatial/energy/timing resolution, as well as high gamma ray detection efficienc...
Development of a PET/EPRI combined imaging system for assessing tumor hypoxia [0.03%]
开发一种用于评估肿瘤缺氧的PET/EPRI联合成像系统
H Kim,B Epel,S Sundramoorthy et al.
H Kim et al.
Precise quantitative delineation of tumor hypoxia is essential in radiation therapy treatment planning to improve the treatment efficacy by targeting hypoxic sub-volumes. We developed a combined imaging system of positron emission tomograph...
Development of broad-band high-reflectivity multilayer film for positron emission tomography system [0.03%]
用于正电子发射断层显像系统的宽带高反射多层膜的研制
J Xu,Q Sun,Z Wu et al.
J Xu et al.
The use of non-ideal reflective materials and low-precision manual manufacturing technologies is a fundamental technical obstacle blocking the positron emission tomography (PET) systems from achieving better performances. We propose to addr...
Improving timing performance of double-ended readout in TOF-PET detectors [0.03%]
改进TOF-PET探测器双端读出的定时性能
L Guo,J Tian,P Chen et al.
L Guo et al.
Scintillation crystals of 20mm length or longer are needed for clinical time-of-flight positron emission tomography (TOF-PET) to ensure effective detection efficiency for gamma photons. However, the use of long crystals would deteriorate th...
J T Taylor,P P Allport,G L Casse et al.
J T Taylor et al.
For many years, silicon micro-strip detectors have been successfully used as tracking detectors for particle and nuclear physics experiments. A new application of this technology is to the field of particle therapy, where radiotherapy is ca...
CMOS Active Pixel Sensors as energy-range detectors for proton Computed Tomography [0.03%]
用于质子计算机断层扫描的能量范围检测器的CMOS有源像素传感器
M Esposito,T Anaxagoras,P M Evans et al.
M Esposito et al.
Since the first proof of concept in the early 70s, a number of technologies has been proposed to perform proton CT (pCT), as a means of mapping tissue stopping power for accurate treatment planning in proton therapy. Previous prototypes of ...