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Studying the Landau Mass Parameter of the Extended σ–ω Model for Neutron Star Matter
Physics of Particles and Nuclei ( IF 0.6 ) Pub Date : 2020-09-17 , DOI: 10.1134/s1063779620040073
David Alvarez-Castillo , A. Ayriyan , G. G. Barnaföldi , P. Pósfay

Abstract

We present a Bayesian analysis of the Landau mass within the extended \(\sigma \)\(\omega \) model for neutron star matter. To this purpose, we consider the mass measurement of the object PSR 0740+6620, the tidal deformability estimation from the GW170817 and the mass-radius estimate of PSR J0030+0451 by NICER. Using Landau mass as free parameter of the theory, we tested the prediction power to find the best value for this nuclear parameter of the Bayesian method.



中文翻译:

研究中子星物质扩展σ–ω模型的Landau质量参数

摘要

我们在中子星物质的扩展\(\ sigma \)\(\ omega \)模型中提出了Landau质量的贝叶斯分析。为此,我们考虑了NICER对对象PSR 0740 + 6620的质量测量,来自GW170817的潮汐变形能力估计以及PSR J0030 + 0451的质量半径估计。使用Landau质量作为该理论的自由参数,我们测试了预测能力,以找到贝叶斯方法的该核参数的最佳值。

更新日期:2020-09-18
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