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Electron fraction constraints based on nuclear statistical equilibrium with beta equilibrium
Astronomy and Astrophysics
The electron-to-nucleon ratio or electron fraction is a key parameter in many astrophysical studies. Its value is determined by weak-interaction rates that are based on theoretical calculations subject to several nuclear physics uncertainties. Consequently, it is important to have a model independent way of constraining the electron fraction value in different astrophysical environments. Here we show that nuclear statistical equilibrium combined with beta equilibrium can provide such adoi:10.1051/0004-6361/201014276 fatcat:s5qictepv5dapa6rtp5qgzn3ci