Results 11 to 20 of about 202,682 (289)
Quarkyonic Matter and Neutron Stars [PDF]
Physical Review Letters, 2019 We consider Quarkyonic Matter to naturally explain the observed properties of neutron stars. We argue that such matter might exist at densities close to that of nuclear matter and at the onset, the pressure and the sound velocity in Quarkyonic matter increase rapidly.
McLerran, Larry, Reddy, Sanjay
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Nuclear forces and their impact on neutron-rich nuclei and neutron-rich matter
Annual Review of Nuclear and Particle Science, 2015 We review the impact of nuclear forces on matter at neutron-rich extremes. Recent results have shown that neutron-rich nuclei become increasingly sensitive to three-nucleon forces, which are at the forefront of theoretical developments based on effective
Hebeler, K. +3 more
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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
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Hyperon-Mixed Neutron Star Matter and Neutron Stars [PDF]
Progress of Theoretical Physics, 2002 Effective Σ − n and Σ − Σ − interactions are derived fromthe G-matrix calculations for {n+Σ − } matter and employed in the investigation of hyperon mixing in neutron star matter. The threshold densities ρt(Y ) at which hyperons start to appear are between 2ρ0 and 3ρ0 (where ρ0 is the normal nuclear density) for both Λ and Σ − , and their fractions ...
Nishizaki, Shigeru +2 more
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Triplet Pairing in Neutron Matter
The Astrophysical Journal, 2023 Abstract The presence of superfluidity in neutron star interiors can affect the cooling of neutron stars in intricate ways, enhancing certain mechanisms and suppressing others. Model calculations employing realistic nuclear potentials in Bardeen–Cooper–Schrieffer theory generally suggest the development of a 3P2–3F2 pairing gap, and ...
Eckhard Krotscheck +2 more
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Hybrid halide perovskite neutron detectors
Scientific Reports, 2021 Interest in fast and easy detection of high-energy radiation (x-, γ-rays and neutrons) is closely related to numerous practical applications ranging from biomedicine and industry to homeland security issues.
Pavao Andričević +10 more
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Constraining Neutron-Star Matter — Combination of heavy-ion experiments and multi-messenger astronomy [PDF]
EPJ Web of Conferences, 2023 Describing supernova explosions or neutron-star collisions requires a deep understanding of properties of nuclear matter at supra-saturation densities, and extreme neutron over proton asymmetries.
Le Fèvre Arnaud A.
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FRAGMENTATION OF NEUTRON STAR MATTER [PDF]
, 2017 Background: Neutron stars are astronomical systems with nucleons submitted to extreme conditions. Due to the long range coulomb repulsion between protons, the system has structural inhomogeneities. These structural inhomogeneities arise also in expanding systems, where the fragment distribution is highly dependent on the thermodynamic conditions ...
Alcain, Pablo Nicolás +1 more
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Neutron to dark matter decay in neutron stars [PDF]
International Journal of Modern Physics A, 2018 Recent proposals have suggested that a previously unknown decay mode of the neutron into a dark matter particle could solve the long lasting measurement problem of the neutron decay width. We show that, if the dark particle in neutron decay is the major component of the dark matter in the universe, this proposal is in disagreement with modern ...
Motta, T.F. +2 more
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Neutron-Mirror Neutron Oscillations in Absorbing Matter [PDF]
Symmetry, 2022 The possibility that a neutron can be transformed to a hidden sector particle remains intriguingly open. Proposed theoretical models conjecture that the hidden sector can be represented by a mirror sector, and the neutron n can oscillate into its sterile mirror twin n′, exactly or nearly degenerate in mass with n.
Yuri Kamyshkov +3 more
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