2-jet event detected by ALEPH at CERN

2-jet event detected by ALEPH at CERN

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Credit: CERN/SCIENCE PHOTO LIBRARY

Restrictions: Editorial use only. This image may not be used to state or imply endorsement by CERN of any product, activity or service

Caption: Two-jet event. Electronic display showing a collision event between an electron and a positron. This image is a cross-section through the ALEPH detector, in the heart of which the collision occurred. The beam tube is the red dot at centre, surrounded by various detector components. In this event, the energy created by the annihilation of an electron and positron condensed into a quark-antiquark pair. Although the quarks live too briefly to be detected, their decay into opposing 'jets' of electrons, pions and their anti-particles is very clear. The ALEPH detector is at CERN, Europe's centre for particle physics research, near Geneva.

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Keywords: 2-jet event, aleph, cern, computer screen, display, electronic display, particle physics, particle physics research, quark, two-jet event

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