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== Frequently Asked Questions == | == Frequently Asked Questions == | ||
=== Why is it impossible to observe quarks? === | === Why is it impossible to observe quarks? === | ||
− | Quarks don’t exist individually due to [[color confinement]]. When a quark pair is separated | + | Quarks don’t exist individually due to [[color confinement]]. When a quark pair is separated the gluon tubes between them increases and the energy become higher. At one point, this energy becomes greater than the energy required in creating a new antiquark matter. So the instant the gluon tubes separate, the isolated quark forms itself an antiquark to pair with, forming a [[meson]]. This the reason why quarks cannot be observed individually. But in particle accelerators, quarks can be observed as quark jets. However, it is believed that after the [[Big Bang]] the universe was in a state of [[quark–gluon plasma]]. On July 2015, the LHC produced quark-gluon plasma. In this state, the quarks are said to be [[deconfinement|deconfined]]. |
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