You download CERN ROOT windows setup executable from its official website. Setup on a Windows machine is quite straightforward. Secondly, we will need to install some extra libraries, namely CERN ROOT framework. There is a search bar Grab it and install. Scroll down until you find "Visual Studio 2013 with Update 5" item in the list. Select "Developer Tools" item in the left menu. Go to their official website here and find "Join Now" button on the bottom. For BGSU students there is a way to obtain a free version of this software. In order to run both TLIST Processor and SW Calculator apps on your Windows PC one has to download and install Microsoft Visual Studio 2013 first. Majority of us works on windows machines. Running Doppler apps on your Personal Computer Alternatively we have windows executables located in our Dropbox folder /SelimLab Public Folder/Doppler Broadening/Software/. Correspondent download links are provided on the Software page on our website. Executable files are hosted on GitHub repository. We will use two desktop apps, namely TLIST Processor and SW Calculator. In this tutorial I will demonstrate only the process of processing 2D spectrum and extracting S and W integration parameters. We will cover the spectra acquisition prosess in a separate post later. Reconstruction of two-dimensional Doppler-broadened energy spectrum is continuously performed during the acquisition process by means of TLIST Data Scanner software. This pair of photons comes from the same positron-electron annihilation event. Having this information provided for both detectors we can match the photons that arrived to every detector at the same moment. ProSpect app works in so-called Timestamp (TLIST) mode when system registers annihilation photon energy and moment of time when photon was registered. Our two-detector setup utilizes a pair of hyperpure germanuim detectors connected to digital LYNX analyzers produced by Canberra.Īcquisition of spectra is controlled by ProSpect desktop app. ![]() One of the crucial material characterization facility in our lab is Doppler positron spectrometer. In this post we will discuss the process of calculating the S and W integration parameters from two-dimentional doppler histograms.
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