Larry Pierce,Robert Miyaoka,Tom Lewellen et al.
Larry Pierce et al.
Physical positioning of scintillation crystal detector blocks in Positron Emission Tomography (PET) scanners is not always exact. We test a proof of concept methodology for the determination of the six degrees of freedom for detector block ...
A Prototype TOF PET Detector Module Using a Micro-Channel Plate Photomultiplier Tube with Waveform Sampling [0.03%]
一种采用微通道板型光电倍增管波形采样的TOF-PET探测器模块原型
H Kim,C-T Chen,H Frisch et al.
H Kim et al.
We are exploring a large area flat panel micro-channel plate photomultiplier tube (MCP PMT) under development for an application to time-of-flight positron emission tomography (TOF PET). High speed waveform sampling with transmission-lines ...
Liquid helium-free cryostat and hermetically sealed cryogenic microwave cavity for hyperfine spectroscopy of antiprotonic helium [0.03%]
无液氦闭路式强子谱仪及其封闭式微波谐振腔用于反氢原子光谱研究项目
O Massiczek,S Friedreich,B Juhász et al.
O Massiczek et al.
The design and properties of a new cryogenic set-up for laser-microwave-laser hyperfine structure spectroscopy of antiprotonic helium - an experiment performed at the CERN-Antiproton Decelerator (AD), Geneva, Switzerland - are described. Si...
3D printing in X-ray and Gamma-Ray Imaging: A novel method for fabricating high-density imaging apertures [0.03%]
基于3D打印技术的X射线和γ射线成像新型 pinhole 制备方法研究
Brian W Miller,Jared W Moore,Harrison H Barrett et al.
Brian W Miller et al.
Advances in 3D rapid-prototyping printers, 3D modeling software, and casting techniques allow for cost-effective fabrication of custom components in gamma-ray and X-ray imaging systems. Applications extend to new fabrication methods for cus...
D Meier,D J Wagenaar,S Chen et al.
D Meier et al.
We describe an MR-compatible SPECT camera for small animals. The SPECT camera system can be inserted into the bore of a state-of-the-art MRI system and allows researchers to acquire tomographic images from a mouse in-vivo with the MRI and t...
Centroiding algorithms for high speed crossed strip readout of microchannel plate detectors [0.03%]
微通道板探测器高速交叉读出的中心位置确定算法研究
John Vallerga,Anton Tremsin,Rick Raffanti et al.
John Vallerga et al.
Imaging microchannel plate (MCP) detectors with cross strip (XS) readout anodes require centroiding algorithms to determine the location of the amplified charge cloud from the incident radiation, be it photon or particle. We have developed ...
Eric C Landahl,Olga Antipova,Angela Bongaarts et al.
Eric C Landahl et al.
We describe an instrument to record x-ray diffraction patterns from diseased regions of human brain tissue by combining an in-line visible light fluorescence microscope with an x-ray diffraction microprobe. We use thiazine red fluorescence ...
Comparing Vacuum and Extreme Ultraviolet Radiation for Postionization of Laser Desorbed Neutrals from Bacterial Biofilms and Organic Fullerenes [0.03%]
比较真空紫外线和极紫外辐射激光解吸中性粒子的后电离作用用于细菌生物被膜和有机富勒烯分析
Gerald L Gasper,Lynelle K Takahashi,Jia Zhou et al.
Gerald L Gasper et al.
Vacuum and extreme ultraviolet radiation from 8 - 24 eV generated at a synchrotron was used to postionize laser desorbed neutrals of antibiotic-treated biofilms and a modified fullerene using laser desorption postionization mass spectrometr...
L E Berman,M Allaire,M R Chance et al.
L E Berman et al.
We describe a concept for x-ray optics to feed a pair of macromolecular crystallography (MX) beamlines which view canted undulator radiation sources in the same storage ring straight section. It can be deployed at NSLS-II and at other low-e...
Ulrich Englich,Peter Revesz,William Miller
Ulrich Englich
In order to accurately measure the photon flux and to assist in aligning the beam, we have designed a modified beam stop device based on a photo diode integrated with the beam stop. The beam stop contains a small CdWO(4) crystal that comple...