Results 1 to 10 of about 270,170 (334)
Physical Review Letters, 1965 Several authors have suggested that the recently discovered extraterrestrial sources of x rays may be hot neutron stars. The plausibility of this suggestion, and in fact the likelihood that astronomers will ever be able to observe neutron stars by their
John N. Bahcall, R. A. Wolf
core +9 more sources
Spontaneous scalarization in proto-neutron stars [PDF]
European Physical Journal C: Particles and Fields, 2023 Proto-neutron stars are born when a highly evolved and massive star collapses under gravity. In this paper, we investigate the spontaneous scalarization in proto-neutron stars.
Fahimeh Rahimi, Zeinab Rezaei
doaj +2 more sources
Neutron-mirror neutron mixing and neutron stars [PDF]
European Physical Journal C: Particles and Fields, 2021 The oscillation of neutron n into mirror neutron $$n'$$ n ′ , its mass degenerate partner from dark mirror sector, can gradually transform the neutron stars into the mixed stars consisting in part of mirror dark matter.
Zurab Berezhiani +3 more
doaj +4 more sources
Hyperons in Neutron Stars [PDF]
Universe, 2021 I review the issues related to the appearance of hyperons in neutron star matter, focusing in particular on the problem of the maximum mass supported by hyperonic equations of state. I discuss the general mechanism that leads to the formation of hyperons
Domenico Logoteta
doaj +4 more sources
Superfluid neutron stars [PDF]
The Ninth Marcel Grossmann Meeting, 2001 Neutron stars are believed to contain (neutron and proton) superfluids. I will give a summary of a macroscopic description of the interior of neutron stars, in a formulation which is general relativistic. I will also present recent results on the oscillations of neutron stars, with superfluidity explicitly taken into account, which leads in particular ...
arxiv +5 more sources
Abundances of Neutron-capture Elements in 62 Stars in the Globular Cluster Messier 15 [PDF]
The Astrophysical JournalM15 is a globular cluster with a known spread in neutron-capture elements. This paper presents abundances of neutron-capture elements for 62 stars in M15.
Jonathan Cabrera Garcia +9 more
doaj +2 more sources
Cooling of neutron stars with quark-hadron continuity [PDF]
EPJ Web of Conferences, 2022 Neutron stars are high-density objects formed by the gravitational collapse of massive stars, and the whole star can be likened to a giant nucleus. The interior of a neutron star is considered to contain exotic particles and states which do not appear in
Noda Tsuneo +4 more
doaj +1 more source
Can we distinguish quark stars from neutron stars with measurements of global properties? [PDF]
EPJ Web of Conferences, 2022 The phase state of the dense stellar matter is an exciting topic in the area of nuclear astrophysics. It may be probed by observed properties of neutron stars from, for example, the currently operating satellites (NICER, Neutron star Interior Composition
Li Ang
doaj +1 more source
Smoke and mirrors: Neutron star internal heating constraints on mirror matter [PDF]
Phys. Rev. Lett. 127, 061805 (2021), 2021 Mirror sectors have been proposed to address the problems of dark matter, baryogenesis, and the neutron lifetime anomaly. In this work we study a new, powerful probe of mirror neutrons: neutron star temperatures. When neutrons in the neutron star core convert to mirror neutrons during collisions, the vacancies left behind in the nucleon Fermi seas are ...
arxiv +1 more source
Crack‐Free Welding of a Co‐Base Superalloy with High γ' Precipitate Fraction
Advanced Engineering Materials, Volume 24, Issue 12, December 2022., 2022 Weldable Ni‐base superalloys are generally limited to low γ' fractions, whereas Co‐base superalloys with high γ' volume fractions should have a better weldability due to their lower γ' solvus temperature and less segregation. A new Co‐base superalloy with a high γ' volume fraction was crack‐free weldable, leading to very good strength, significantly ...
Lukas Haußmann +6 more
wiley +1 more source