Top Tweets for #LowBackground
@ntumanov_Xray @Prusa3D Get the Si plate as the #LowBackground #Sampleholder for #Xray Diffraction😀#crystallography #education
这是XENONnT探测器底部拥有241个光电管的阵列，用来探测粒子穿过液氙时发出的微弱的光。光电管安装好后第一步是把阵列转到最终位置（往上看）。我们会戴口罩，手套，穿洁净服，所有这些操作都在超净室内完成以尽可能保证探测器干净。#SayNoToRadon #NoCoronaVirus #lowbackground #MondayMotivation
This is the bottom array, composed of 241 photomultiplier tubes (PMTs), the bottom eyes of our detector. These sensors measure the tiny light produced by particles traversing the liquid xenon target. First step was to rotate the array into its final orientation. 1/2
To make sure the detector is as clean as possible, we work in a special environment, called clean room (CR). We use masks😷, suits🤵♂️, and gloves🧤to not contaminate the detector. 2/2 #clean #SayNoToRadon #lowbackground #MondayMotivation
Where do our background neutrons come from? This is what our Monte Carlo infers from external sources (blue) and intrinsic material radioactivity and spontaneous fission (red). Yes, the scale is in events/ton-of-liquid-xenon/year! #lowbackground
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