CERN Accelerating science



LHC@home is a platform for volunteers to help physicists develop and exploit particle accelerators like CERN's Large Hadron Collider, and to compare theory with experiment in the search for new fundamental particles.

By contributing spare processing capacity on their home and laptop computers, volunteers may run simulations of beam dynamics and particle collisions in the LHC's giant detectors.

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Recent Posts

CERN 60 year computing challenge Our partners in the Citizen Cyberlab project are testing a new browser-based approach to launching virtual machines, as part of a twelve-day Public Co... Read more
Sixtrack history History of Sixtrack It is worth noting that at the beginning LHC@home and SixTrack were almost one single entity. SixTrack was the first and only a... Read more
The virtual collider programs we run Following a post on our forums, we here give a brief introduction to each of the physics simulation packages we run. They are essential... Read more

ATLAS is a particle physics experiment taking place at the Large Hadron Collider at CERN, that searches for new particles and processes using head-on collisions of protons of extraordinary high energy. Petabytes of data were recorded, processed and analyzed during the first three years of data taking, leading to up to 300 publications covering all the aspects of the Standard Model of particle physics, including the discovery of the Higgs boson in 2012.

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The aim of SixTrack is to track two nearby particles taking into account the full six–dimensional phase space including synchrotron oscillations in a symplectic manner. It allows to predict the long–term dynamic aperture which is defined as the border between regular and chaotic motion. This border can be found by studying the evolution of the distance in phase space of two initially nearby particles. Parameters of interest like nonlinear detuning and smear are determined via a post–processing of the tracking data. An analysis of the first order resonances can be done and correction schemes for several of those resonances can be calculated.

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Virtual LHC@home aims to bring the world’s largest particle accelerator into your home. The platform – an extension of the already successful LHC@home – allows volunteers to connect to CERN-based research projects simply by donating their extra computing power. The application Theory simulations, for example, simulates high-energy particle collisions which scientists can compare to real-life collisions, such as those occurring in the Large Hadron Collider (LHC).

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