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Exotic baryon

Subatomic particles; baryons with atypical quark content

Subatomic particles; baryons with atypical quark content

In particle physics, exotic baryons are a type of hadron (bound states of quarks and gluons) with half-integer spin, but with a quark content different from the three quarks (qqq) present in conventional baryons. An example would be pentaquarks, consisting of four quarks and one antiquark (qqqqq̅).

So far, the only observed exotic baryons are the pentaquarks Pc(4380)+, Pc(4450)+ discovered in 2015,{{cite journal |article-number=072001 |s2cid=119204136 |article-number=222001 |access-date=July 5, 2022

Several types of exotic baryons that require physics beyond the Standard Model have been conjectured in order to explain specific experimental anomalies. There is no independent experimental evidence for any of these particles. One example is supersymmetric R-baryons,

It has been speculated by futurologist Ray Kurzweil that by the end of the 21st century it might be possible by using femtotechnology to create new chemical elements composed of exotic baryons that would eventually constitute a new periodic table of elements in which the elements would have completely different properties than the regular chemical elements.

References

References

  1. [[Ray Kurzweil. Kurzweil, Ray]] ''[[The Age of Spiritual Machines]]'' 1999
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baryons hypothetical-composite-particles
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