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Biswal, S. K.; Patra, S. K.; Zhou, Shan-Gui
Effects of -meson on the EOS, Maximum Masses, and Radii of Hyperon Stars
Source PublicationASTROPHYSICAL JOURNAL
Language英语
KeywordMEAN-FIELD-THEORY HARTREE-BOGOLIUBOV THEORY GROUND-STATE PROPERTIES NEUTRON-STAR FINITE NUCLEI BOUND-STATE MATTER DENSITY PHYSICS CONSISTENT
AbstractThe relativistic mean field (RMF) model is considered as one of the best methods to study the nuclear system that has a high degree of isospin asymmetry and baryon density. In the present contribution, we take 25 well-known parameter sets of the RMF model to discuss the parametric dependence of the neutron and hyperon star properties. Various properties of the canonical star are discussed and only a few parameter sets are found to satisfy both the astrophysical and nuclear matter constraints. We add both and ?* strange mesons to the ?-?-? model. Effects of the -meson on the equation of state and maximum mass of the hyperon star are discussed in detail. -meson affects the threshold density of hyperon production and pushes the hyperon production to a higher density. Effects of the hyperon?meson coupling constants on the maximum mass?radius profile and strangeness content of the hyperon star are discussed in the ?-?-?--?* model.
2019
ISSN0004-637X
Volume885Issue:1Pages:25
Cooperation Status国际
Subject AreaAstronomy & Astrophysics
MOST Discipline CatalogueAstronomy & Astrophysics
DOI10.3847/1538-4357/ab43c5
Indexed BySCIE
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/26964
CollectionSCI期刊论文
Affiliation1.[Biswal, S. K.
2.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
3.[Patra, S. K.] Inst Phys, Bhubaneswar 751005, India
4.[Patra, S. K.] Homi Bhabha Natl Inst, Mumbai 400085, Maharashtra, India
5.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
6.Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Gansu, Peoples R China
7.Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, Changsha 410081, Hunan, Peoples R China
Recommended Citation
GB/T 7714
Biswal, S. K.,Patra, S. K.,Zhou, Shan-Gui. Effects of -meson on the EOS, Maximum Masses, and Radii of Hyperon Stars[J]. ASTROPHYSICAL JOURNAL,2019,885(1):25.
APA Biswal, S. K.,Patra, S. K.,&Zhou, Shan-Gui.(2019).Effects of -meson on the EOS, Maximum Masses, and Radii of Hyperon Stars.ASTROPHYSICAL JOURNAL,885(1),25.
MLA Biswal, S. K.,et al."Effects of -meson on the EOS, Maximum Masses, and Radii of Hyperon Stars".ASTROPHYSICAL JOURNAL 885.1(2019):25.
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