Proton collision C014 / 1814
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Proton collision C014 / 1814
Particle tracks from a proton-proton collision seen by the ATLAS (a toroidal LHC apparatus) detector at CERN (the European particle physics laboratory) near Geneva, Switzerland. The orange octagons are the endplates for the detectors inner core. Before the collision the ions had been accelerated by the large hadron collider (LHC, grey line passing through the endplates). The collision produced numerous hadrons (orange lines) and a W boson. The W boson was not seen, but was revealed through its decay particles; a muon and a muon-neutrino. The single muon (red line) was detected by ATLASs muon chambers (blue rectangles). The muon-neutrino has a neutral charge and so cannot be detected, but its predicted trajectory (dotted red line) has been reconstructed in the end-on view of the detector at right
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Media ID 9261451
© ATLAS EXPERIMENT, CERN/SCIENCE PHOTO LIBRARY
A Toroidal Lhc Apparatus Atlas Cern Collision Cosmological Cosmology Decay Products European Particle Physics Laboratory Experiment Fundamental Particles Geneva Hadron Hadrons Large Hadron Collider Matter Muon Particle Accelerator Particle Detector Particle Physics Particle Track Proton Proton Proton Proton Collision Structure Of Matter Subatomic Particles Switzerland Trace Traces Tracks Trajectories Trajectory Physical
EDITORS COMMENTS
This print showcases the intricate traces left behind by a proton-proton collision, captured by the ATLAS detector at CERN near Geneva, Switzerland. The orange octagons represent the endplates of the detector's inner core, while the grey line symbolizes the path taken by the ions as they were accelerated by the powerful Large Hadron Collider (LHC). The collision itself resulted in an array of hadrons, depicted as vibrant orange lines, and a W boson. Although not directly observed, scientists were able to identify the presence of this elusive particle through its decay products: a muon and a muon-neutrino. The single red line represents the detected muon, which was recorded by ATLAS's specialized muon chambers represented as blue rectangles. Interestingly, due to its neutral charge, it is impossible to detect or trace the trajectory of the muon-neutrino; however, its predicted path is illustrated with a dotted red line in this end-on view of the detector. This remarkable image offers us a glimpse into cutting-edge research conducted at CERN – Europe's premier particle physics laboratory – shedding light on fundamental particles and their behavior within our universe. It highlights both technological advancements in particle detectors like ATLAS and our ongoing quest to unravel mysteries surrounding matter structure and cosmology.
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