2017/07/31 by Débora P. Menezes, Constança Providência
Physics and Astronomy · #Baryon #Homogeneous #Hyperon #Lambda #Nuclear matter #Nuclear physics #Nuclear physics research studies #Nucleon #Particle physics #Phase (matter) #Physics #Pulsars and Gravitational Waves Research #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #Sigma #Thermodynamics #nucl-th
paper · pdf · doi:10.1103/physrevc.96.045803
published as Phys. Rev. C 96, 045803 (2017) · 6 pages, 10 figures
openalex created_date 2017/07/14 · arxiv created 2017/09/26 · openalex publication_date 2017/10/09 · arxiv updated 2017/10/19 · openalex updated_date 2026/08/05
We have investigated under which conditions hyperons (particularly \mathrm\ensuremathΛs and \mathrm\ensuremathΣ^\ensuremath-s) can be found in the nuclear pasta phase. As the density and temperature are larger and the electron fraction is smaller, the probability is greater that these particles appear, but always in very small amounts. \mathrm\ensuremathΛ hyperons only occur in gas and in smaller amounts than would occur if matter were homogeneous, never with abundancies above 10^\ensuremath-5. The amount of \mathrm\ensuremathΣ^\ensuremath- in the gas is at least two orders of magnitude smaller and can be disregarded in practical calculations.