Authors define U-spin symmetry energy for hyperonic matter, constrain it via Bayesian inference from nuclear and astrophysical data, and conclude Lambda hyperons likely emerge between 2-5 n0 but vanish above 5 n0 with over 50% posterior probability.
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In the modified NJL model, low vacuum pressure with a first-order chiral transition supports massive non-strange quark stars consistent with pulsar data while high vacuum pressure with crossover is ruled out, constraining current quark mass to 4.08-4.13 MeV and suggesting GW170817 could involve such
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U-spin symmetry energy and hyperon puzzle
Authors define U-spin symmetry energy for hyperonic matter, constrain it via Bayesian inference from nuclear and astrophysical data, and conclude Lambda hyperons likely emerge between 2-5 n0 but vanish above 5 n0 with over 50% posterior probability.
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QCD vacuum pressure and its influence on the equation of state of non-strange quark stars
In the modified NJL model, low vacuum pressure with a first-order chiral transition supports massive non-strange quark stars consistent with pulsar data while high vacuum pressure with crossover is ruled out, constraining current quark mass to 4.08-4.13 MeV and suggesting GW170817 could involve such