Baryon Number Transport in a Cosmic QCD-Phase Transition

Details Baryon Number Transport in a Cosmic QCD-Phase Transition Baryon Number Transport in a Cosmic QCD-Phase Transition

1994-08-24

arxiv.org/abs/astro-ph/9408081v1

Nucl.Phys. B441 (1995) 215-233

Astronomy and Astrophysics

Astrophysics

25 pages, 4 figures (available upon request by mail or fax), plain tex, UCRL-JC-000000

Scientific paper

10.1016/0550-3213(95)00097-C

We investigate the transport of baryon number across phase boundaries in a putative first order QCD-phase transition. Two independent phenomenological models are employed to estimate the baryon penetrability at the phase boundary: chromoelectric flux tube models; and an analogy to baryon-baryon coalescence in nuclear physics. Our analysis indicates that baryon transport across phase boundaries may be order of magnitude more efficient than other work has suggested. We discuss the substantial uncertainties involved in estimating baryon penetrability at phase boundaries.

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