Abstract
There are still some doubts about the existence of quarks among a minority ofphysicists who believe that they could merely represent a symmetry withouthaving a physical reality. This is because a rigorous element of reality for quarkscan only correspond to free observed quarks. An independent argument in favorof the existence of quarks as real particles is given using a method based onMayer's cluster expansion to calculate the critical temperature for a phasetransition of a nonideal quark=nantiquark plasma to a hadron fluid.
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Sheikholeslami-Sabzevari, B. Support for the Reality of Quarks. International Journal of Theoretical Physics 39, 363–371 (2000). https://doi.org/10.1023/A:1003640410567
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DOI: https://doi.org/10.1023/A:1003640410567