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367188

The Nuclear EOS of PNM and sensitivity of Neutron Star Properties to modern NN Potentials

Article

Last updated: 23 Dec 2024

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Abstract

In this paper, we utilize the Brueckner-Hartree-Fock (BHF) method to compute the static properties of neutron stars (NS) at zero temperature. We specifically apply a microscopic equation of state for pure neutron matter (PNM). Three-body forces have also been included at different densities. To accurately replicate the nuclear matter saturation point, we have incorporated recent and realistic two-body nuclear interactions. Specifically, we have used the Argonne V18 and CD-Bonn NN potentials, integrated via the Urbana model, to account for the three-body force. We have calculated the properties of neutron stars by numerically solving the Tolman-Oppenheimer-Volkov structure equations. Our results indicate a maximum mass configuration of M = 1.7 ± 0.05 Mʘ (M = 2.12 ± 0.04 Mʘ) when using CD-Bonn (Argonne 18) interaction, respectively. These values are consistent with the observed range of neutron star masses. Furthermore, we have discussed the sensitivity of using modern NN potentials and compared our results with other theoretical predictions and observed data.

DOI

10.21608/ajnsa.2024.290999.1820

Keywords

Key words: Neutron stars, Brueckner-Hartree-Fock, Three-body forces, Tolman-Oppenheimer-Volkov, nuclear interactions, CD-Bonn NN potentials

Authors

First Name

AlaaEldeen

Last Name

Elmeshneb

MiddleName

Shaban

Affiliation

Physics Department, Faculty of Science, Sohag University, Egypt

Email

alaaeldeen.elmeshneb@gmail.com

City

-

Orcid

0000-0003-0668-176X

Volume

57

Article Issue

3

Related Issue

49171

Issue Date

2024-07-01

Receive Date

2024-05-19

Publish Date

2024-07-01

Page Start

51

Page End

57

Print ISSN

1110-0451

Online ISSN

2090-4258

Link

https://ajnsa.journals.ekb.eg/article_367188.html

Detail API

https://ajnsa.journals.ekb.eg/service?article_code=367188

Order

367,188

Type

Original Article

Type Code

455

Publication Type

Journal

Publication Title

Arab Journal of Nuclear Sciences and Applications

Publication Link

https://ajnsa.journals.ekb.eg/

MainTitle

The Nuclear EOS of PNM and sensitivity of Neutron Star Properties to modern NN Potentials

Details

Type

Article

Created At

23 Dec 2024