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Multi-pomeron repulsion and the Neutron-star mass

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arxiv 1308.2130 v1 pith:WOQ463RD submitted 2013-08-09 nucl-th astro-ph.HE

Y. Yamamoto , T. Furumoto , N. Yasutake , TH.A. Rijken This is my paper · ORCID
classification nucl-thastro-ph.HE
keywords massneutron-starmattermodelmulti-pomeronobtainedrepulsionanalyzing
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abstract

A multi-pomeron exchange potential (MPP) is proposed as a model for the three-body repulsion indicated in neutron-star matter, which works universally among three- and four-baryons. Its strength is determined by analyzing the nucleus-nucleus scattering with the G-matrix folding model. The EoS in neutron matter is obtained including the MPP contribution. The neutron-star mass is calculated by solving the TOV equation. The maximum mass is obtained to be larger than the observed one $1.97 M_{solar}$ on the basis of the experimental data.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The impact of hyperons on neutron star mergers: gravitational waves, mass ejection and black hole formation

    astro-ph.HE 2025-01 conditional novelty 6.0 of 10

    Hyperonic equations of state raise the dominant postmerger gravitational-wave frequency by a few percent and reduce the prompt black hole formation threshold by about 0.05 solar masses.

  2. Effects of Differential Rotation on the Maximum Mass of Neutron Stars

    astro-ph.HE 2026-07 conditional novelty 5.5 of 10

    Differential rotation substantially boosts hyperonic neutron-star maximum mass to the GW190814 range, yet a soft SU(6) EoS still fails the PSR J0740+6620 constraint at 346 Hz.

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