Simulated particle collision event

Simulated particle collision event

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This image is part of the feature Jefferson Lab

Credit: JEFFERSON LAB/SCIENCE PHOTO LIBRARY

Caption: Simulated collision event. Simulation of a collision event detected by the Large Acceptance Spectrometer (LAS) at the Thomas Jefferson National Accelerator Facility (Jefferson Lab). An electron (red) passes into the detector structure and collides with a proton in a metal target at centre. This breaks a quark-quark bond, resulting in a quark- antiquark pair. This almost instantly decays into a positive pion (green), a negative pion (blue) and a pair of gamma rays (yellow). Part of the electron's momentum is passed to the proton, which is also detected as it flies off (magenta). Collisions such as this will be used to investigate the quark structure of matter.

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Keywords: collision, collision event, computer screen, detector, electron-proton, electron-proton collision, electronic display, jefferson lab, large acceptance spectrometer, national accelerator facility, particle physics research, simulated even, simulation, track, tracks

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