Importance of interactions in quark-gluon plasma: Baryon-number density contrast and primordial nucleosynthesis

Details Importance of interactions in quark-gluon plasma: Baryon-number density contrast and primordial nucleosynthesis Importance of interactions in quark-gluon plasma: Baryon-number density contrast and primordial nucleosynthesis

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvd..42.3576m&link_type=abstract

Physical Review D, vol. 42, Issue 10, pp. 3576-3579

Physics

6

Scientific paper

We analyze the baryon-number density contrast R between the quark-gluon-plasma (QGP) phase and the hadronic phase during a first-order quark-hadron phase transition in the early Universe. Without the inclusion of baryonic resonances in the hadronic phase, we can reduce R by including interactions between quarks and gluons in the QGP phase. We also show that there is no need to use a large value of the bag constant to lower the value of R. Our calculations may be useful in nonstandard big-bang nucleosynthesis.

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