Why has there never been measured a free quark or gluon, but only objects that are built out of them, such as mesons and baryons?

Asked Jan 08 '17 at 05:30

Active Jan 08 '17 at 08:26

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Why do we not observe any free quarks or gluon, but only particles that are built out of them, such as mesons and baryons? How does this phenomenon emerge from QCD?

edited Jan 08 '17 at 08:26

Maxim Umansky

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asked Jan 08 '17 at 05:30

Darth Ewok

Its known as color confinement. – Mass Jan 08 '17 at 07:50
1

Possible duplicates: http://physics.stackexchange.com/q/45514/2451 and links therein. – Qmechanic Jan 08 '17 at 07:51

Why has there never been measured a free quark or gluon, but only objects that are built out of them, such as mesons and baryons?

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