We show that the temperature-generalization of a popular model of quark-confinement seems to provide a rather interesting insight into the origin of mass of elementary particles: as the universe cooled, there was an era when particles did not have an identity since their masses were variable; the temperature at which the conversion of these ‘nomadic’ particles into ‘elementary’ particles took place seems to have been governed by the value of a dimension-less coupling constantCc. ForCc=0.001(0.1) this temperature is of the order of 109 K (1011 K), below which the particle masses do not change.
Volume 97, 2023
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