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Open AccessArticle

A New Mass Model for Nuclear Astrophysics: Crossing 200 keV Accuracy

Department of Physics, University of York, Heslington, York Y010 5DD, UK
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Author to whom correspondence should be addressed.
Academic Editors: Marcello Baldo, Isaac Vidaña and Sergei B. Popov
Universe 2021, 7(5), 131; https://doi.org/10.3390/universe7050131
Received: 15 February 2021 / Revised: 28 April 2021 / Accepted: 30 April 2021 / Published: 4 May 2021
(This article belongs to the Special Issue Fundamental Processes in Neutron Stars and Supernovae)
By using a machine learning algorithm, we present an improved nuclear mass table with a root mean square deviation of less than 200 keV. The model is equipped with statistical error bars in order to compare with available experimental data. We use the resulting model to predict the composition of the outer crust of a neutron star. By means of simple Monte Carlo methods, we propagate the statistical uncertainties of the mass model to the equation of state of the system.
Keywords: neutron star; Gaussian process; outer crust; nuclear mass model neutron star; Gaussian process; outer crust; nuclear mass model
MDPI and ACS Style

Shelley, M.; Pastore, A. A New Mass Model for Nuclear Astrophysics: Crossing 200 keV Accuracy. Universe 2021, 7, 131. https://doi.org/10.3390/universe7050131

AMA Style

Shelley M, Pastore A. A New Mass Model for Nuclear Astrophysics: Crossing 200 keV Accuracy. Universe. 2021; 7(5):131. https://doi.org/10.3390/universe7050131

Chicago/Turabian Style

Shelley, Matthew; Pastore, Alessandro. 2021. "A New Mass Model for Nuclear Astrophysics: Crossing 200 keV Accuracy" Universe 7, no. 5: 131. https://doi.org/10.3390/universe7050131

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