Expected-value techniques for Monte Carlo modeling of well logging problems [0.03%]
期望值技巧在测井问题的蒙特卡罗模拟中的应用
Scott W Mosher,Marko Maučec,Jerome Spanier et al.
Scott W Mosher et al.
This article describes research performed to develop an expected-value (EV) estimation capability for improving the efficiency of Monte Carlo simulations of oil well logging problems. The basic idea underlying EV estimation is that event-le...
Depth dose measurements in water for 11C and 10C beams with therapy relevant energies [0.03%]
具有治疗相关能量的11C和10C束在水中的深度剂量测量
Daria Boscolo,Daria Kostyleva,Christoph Schuy et al.
Daria Boscolo et al.
Owing to the favorable depth-dose distribution and the radiobiological properties of heavy ion radiation, ion beam therapy shows an improved success/toxicity ratio compared to conventional radiotherapy. The sharp dose gradients and very hig...
Sensitivity enhancement of an experimental benchtop x-ray fluorescence imaging system by deploying a single crystal cadmium telluride detector system optimized for high flux x-ray operations [0.03%]
通过采用单晶镉锌 Telluridet 检测器系统增强实验台型 X 射线荧光成像系统的灵敏度以实现高通量 X 射线操作
Hem Moktan,Sandun Jayarathna,Sang Hyun Cho
Hem Moktan
In this work, an energy-resolving thermoelectrically cooled single crystal cadmium telluride (CdTe) detector system upgraded with the latest firmware was optimized for high x-ray flux operations using high bias voltage and fast peaking time...
A novel proton-integrating radiography system design using a monolithic scintillator detector: experimental studies [0.03%]
一种新型质子治疗感影系统一体化闪烁体探测器设计及实验研究
Chinmay D Darne,Daniel G Robertson,Fahed Alsanea et al.
Chinmay D Darne et al.
Research on proton-based imaging systems aims to improve treatment planning, internal anatomy visualization, and patient alignment for proton radiotherapy. The purpose of this study was to demonstrate a new proton radiography system design ...
D S Hussey,M Abir,J C Cook et al.
D S Hussey et al.
The predominant geometry for a neutron imaging experiment is that of a pinhole camera. This is primarily due to the difficulty in focusing neutrons due to the weak refractive index, which is also strongly chromatic. Proof of concept experim...
Neutron imaging detector with 2 μm spatial resolution based on event reconstruction of neutron capture in gadolinium oxysulfide scintillators [0.03%]
基于钆氧硫闪烁体中俘获中子的事件重建的空间分辨率为2μm的中子成像探测器
Daniel S Hussey,Jacob M LaManna,Elias Baltic et al.
Daniel S Hussey et al.
We report on efforts to improve the achievable spatial resolution in neutron imaging by centroiding the scintillation light from gadolinium oxysulfide scintillators. The current state-of-the-art neutron imaging spatial resolution is about 1...
Low-Dose High-Resolution TOF-PET Using Ionization-activated Multi-State Low-Z Detector Media [0.03%]
利用离子化激活的多状态低Z探测介质实现低剂量高分辨率飞行时间正电子发射断层扫描技术
J F Shida,E Spieglan,B W Adams et al.
J F Shida et al.
We propose PET scanners using low atomic number media that undergo a persistent local change of state along the paths of the Compton recoil electrons. Measurement of the individual scattering locations and angles, deposited energies, and re...
AMS-100: The Next Generation Magnetic Spectrometer in Space - An International Science Platform for Physics and Astrophysics at Lagrange Point 2 [0.03%]
AMS-100：空间下一代磁谱仪-Lagrange点2的物理和天体物理学国际科学平台
S Schael,A Atanasyan,J Berdugo et al.
S Schael et al.
The next generation magnetic spectrometer in space, AMS-100, is designed to have a geometrical acceptance of 100 m2 sr and to be operated for at least ten years at the Sun-Earth Lagrange Point 2. Compared to existing experiments, it will im...
Design, development and evaluation of a resistor-based multiplexing circuit for a 20×20 SiPM array [0.03%]
一种用于20x20sipm阵列的基于电阻的复用电路的设计、研制和评估
Zhonghai Wang,Xishan Sun,Kai Lou et al.
Zhonghai Wang et al.
One technical challenge in developing a large-size scintillator detector with multiple Silicon Photomultiplier (SiPM) arrays is to read out a large number of detector output channels. To achieve this, different signal multiplexing circuits ...
Design, evaluation and initial imaging results of a PET insert based on strip-line readout for simultaneous PET/MRI [0.03%]
基于带状线读出的PET插件的设计、评估及初次成像结果的PET/MRI同步研究
H Kim,Y Hua,H-T Chen et al.
H Kim et al.
We present the development of a PET insert system for potential simultaneous PET/MR imaging using a 9.4 T small animal MRI scanner to test our system. The detectors of the system adopt a strip-line based multiplexing readout method for SiPM...