{"paper":{"title":"Universal symmetry energy contribution to the neutron star equation of state","arxiv_id":"1604.08575","primary_cat":"nucl-th","submitted_at":"2016-04-28T19:49:54+00:00","version_compiled":"v2"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13.0 on the question bank abstract-p1-20260923, exactly as returned. 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(USEC).","hedge":{"p":0.67,"label":"asserted"},"own_p":0.71,"main_claim_p":0.13,"quantitative":false,"quantitative_p":0.03,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.2,"background":0.04,"limitation":0.0,"future_work":0.0,"contribution":0.55,"interpretation":0.21}},{"i":2,"p":0.97,"id":"s2","own":true,"role":"result","text":"We find that an USEC holds provided the density dependence of the symmetry energy $E_s(n)$ follows a behaviour that limits the proton fraction $x(n)$ to values below the threshold for the direct Urca (DU) cooling process.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.9,"main_claim_p":0.47,"quantitative":true,"quantitative_p":0.58,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.97,"background":0.0,"limitation":0.02,"future_work":0.0,"contribution":0.0,"interpretation":0.01}},{"i":3,"p":0.81,"id":"s3","own":false,"role":"interpretation","text":"The absence of DU cooling in typical mass neutron stars appears to be supported by the phenomenology of neutron star cooling data and allows to constrain the behaviour of $E_s(n)$ at high densities.","hedge":{"p":0.91,"label":"hedged_possibility"},"own_p":0.26,"main_claim_p":0.18,"quantitative":false,"quantitative_p":0.15,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.17,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.81}},{"i":4,"p":0.66,"id":"s4","own":true,"role":"method","text":"Two classes of symmetry energy functions are investigated more in detail to elucidate the USEC.","hedge":{"p":0.86,"label":"asserted"},"own_p":0.79,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.41,"role_probabilities":{"gap":0.0,"method":0.66,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.34,"interpretation":0.0}},{"i":5,"p":0.59,"id":"s5","own":true,"role":"result","text":"We derive an analytic formula for the USEC to the neutron star EoS based on the result for the symmetry energy extracted from isobaric 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