![Three “jets” of particles streaming out from an electron-positron collision at the …[Credits : Courtesy of the JADE collaboration]](http://media-2.web.britannica.com/eb-media/44/60144-004-99DE09BE.jpg)
Three “jets” of particles streaming out from an electron-positron collision at the centre of the JADE detector at the DESY laboratory in Hamburg, Germany. Two of the jets come from a quark and an antiquark formed in the electron-positron annihilation; the third jet comes from a gluon, radiated by either the quark or the antiquark.
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