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The ATLAS experiment is a multipurpose experiment at the Large Hadron Collider (LHC) designed to study the interactions of the fundamental particles. The interaction rate of the LHC is such that a three level trigger system is needed to select, in real time, the interesting events to be recorded by AvTLAS. The LHC has recently provided the first pp collisions at √s = 7 TeV and the first data are used...
AWE has recently commenced a research programme to develop techniques for the remote detection of illicitly trafficked, special nuclear material. The result of a review of potential techniques to remotely detect special nuclear material (SNM) conducted by AWE has stimulated a programme at AWE to further investigate four remote detection techniques. These are a photonuclear based and a neutron based...
The ATLAS detector at CERN’s LHC will be exposed to proton-proton collisions at a rate of 40 MHz. To reduce the data rate, only potentially interesting events are selected by a three-level trigger system. The first level is implemented in firmware, reducing the data output rate to about 100 kHz. The second and third levels are software triggers with an output rate of about 200 Hz. A system has been...
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