Academic literature on the topic 'Inner shake-up state of nuclear matter'

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Journal articles on the topic "Inner shake-up state of nuclear matter"

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Timashev, Serge. "Metastable Non-Nucleonic States of Nuclear Matter: Phenomenology." Physical Science International Journal 15, no. 2 (2017): 1–25. https://doi.org/10.9734/PSIJ/2017/34889.

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A hypothesis of the existence of metastable states for nuclear matter with a locally shaken-up nucleonic structure of the nucleus, was proposed earlier. Such states are initiated by inelastic scattering of electrons by nuclei along the path of weak nuclear interaction. The relaxation of such nuclei is also determined by weak interactions. The use of the hypothesis makes it possible to physically interpret a rather large group of experimental data on the initiation of low energy nuclear reactions (LENRs) and the acceleration of radioactive α- and β-decays in a low-temperature plasma. The possib
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LAI, XIAOYU, and RENXIN XU. "QUARK-CLUSTER STARS: THE STRUCTURE." International Journal of Modern Physics: Conference Series 23 (January 2013): 213–22. http://dx.doi.org/10.1142/s2010194513011331.

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The nature of pulsar-like compact stars is still in controversy although the first pulsar was found more than 40 years ago. Generally speaking, conventional neutron stars and non-mainstream quark stars are two types of models to describe the inner structure of pulsars, with the former composed mainly of hadrons and the latter of a peculiar kind of matter whose state equation should be understood in the level of quarks rather than hadrons. To construct a more realistic model from both theoretical and observational points of view, we conjecture that pulsars could be "quark-cluster stars" which a
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Ning, Xiaochuan, Tianyi Liang, Dong Wu, et al. "Laser-Driven Proton-Boron Fusions: Influences of the Boron State." Laser and Particle Beams 2022 (September 26, 2022): 1–7. http://dx.doi.org/10.1155/2022/9868807.

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The proton-boron (p 11 B) reaction is regarded as the holy grail of advanced fusion fuels, where the primary reaction produces 3 energetic α particles. However, due to the high nuclear bounding energy and bremsstrahlung energy losses, energy gain from the p 11 B fusion is hard to achieve in thermal fusion conditions. Owing to advances in intense laser technology, the p 11 B fusion has drawn renewed attention by using an intense laser-accelerated proton beam to impact a boron-11 target. As one of the most influential works in this field, Labaune et al. first experimentally found that states of
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Varela, J., J. Huang, D. A. Spong, et al. "Theoretical study of the Alfven eigenmode stability in CFETR steady state discharges." Nuclear Fusion 62, no. 3 (2022): 036005. http://dx.doi.org/10.1088/1741-4326/ac4778.

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Abstract The aim of this study is to analyze the stability of Alfven eigenmodes (AE) in the China Fusion Engineering Test Reactor (CFETR) plasma for steady state operations. The analysis is done using the gyro-fluid code FAR3d including the effect of the acoustic modes, EP finite Larmor radius damping effects and multiple energetic particle populations. Two high poloidal β scenarios are studied with respect to the location of the internal transport barrier (ITB) at r/a ≈ 0.45 (case A) and r/a ≈ 0.6 (case B). Both operation scenarios show a narrow TAE gap between the inner-middle plasma region
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Moscheni, M., C. Meineri, M. Wigram, et al. "Cross-code comparison of the edge codes SOLPS-ITER, SOLEDGE2D and UEDGE in modelling a low-power scenario in the DTT." Nuclear Fusion 62, no. 5 (2022): 056009. http://dx.doi.org/10.1088/1741-4326/ac42c4.

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Abstract As reactor-level nuclear fusion experiments are approaching, a solution to the power exhaust issue in future fusion reactors is still missing. The maximum steady-state heat load that can be exhausted by the present technology is around 10 MW m−2. Different promising strategies aiming at successfully managing the power exhaust in reactor-relevant conditions such that the limit is not exceeded are under investigation, and will be tested in the Divertor Tokamak Test (DTT) experiment. Meanwhile, the design of tokamaks beyond the DTT, e.g. EU-DEMO/ARC, is progressing at a high pace. A stra
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Xu Wang. "From “Strong-Field Atomic Physics” to “Strong-Field Nuclear Physics”." Acta Physica Sinica 73, no. 24 (2024): 0. http://dx.doi.org/10.7498/aps.73.20241456.

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In the mid-1980s, chirped pulse amplification (Nobel Prize in Physics 2018) overcame previous limits on laser intensity, allowing intensities to exceed the atomic unit threshold (1 atomic unit of laser intensity corresponds to a power density of 3.5×10<sup>16</sup>W/cm<sup>2</sup>). Such intense laser fields induce high-order nonlinear responses in atoms and molecules, resulting in a range of novel phenomena, among which high harmonic generation and attosecond pulse generation (Nobel Prize in Physics 2023) are of particular importance. With advancements in high-power la
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Becoulet, M., G. T. A. Huijsmans, C. Passeron, et al. "Non-linear MHD modelling of edge localized modes suppression by resonant magnetic perturbations in ITER." Nuclear Fusion 62, no. 6 (2022): 066022. http://dx.doi.org/10.1088/1741-4326/ac47af.

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Abstract Edge localized modes (ELMs) suppression by resonant magnetic perturbations (RMPs) was studied with the non-linear magneto-hydro-dynamic (MHD) code JOREK for the ITER H-mode scenarios at 15 MA, 12.5 MA, 10 MA/5.3 T. The main aim of this work was to demonstrate that ELMs can be suppressed by RMPs while the divertor 3D footprints of heat and particle fluxes remain within divertor material limits. The unstable peeling–ballooning modes responsible for ELMs without RMPs were modelled first for each scenario using numerically accessible parameters for ITER. Then the stabilization of ELMs by
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Pradhan, Bikram Keshari, Tathagata Ghosh, Dhruv Pathak, and Debarati Chatterjee. "Cost of Inferred Nuclear Parameters toward the f-mode Dynamical Tide in Binary Neutron Stars." Astrophysical Journal 966, no. 1 (2024): 79. http://dx.doi.org/10.3847/1538-4357/ad31a8.

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Abstract Gravitational-wave (GW) observations from neutron stars (NSs) in a binary system provide an excellent scenario to constrain the nuclear parameters. The investigation of Pratten et al. has shown that the ignorance of f-mode dynamical tidal correction in the GW waveform model of the binary NS system can lead to substantial bias in the measurement of NS properties and NS equations of state. In this work, we investigate the bias in the nuclear parameters resulting from the ignorance of dynamical tidal correction. In addition, this work demonstrates the sensitivity of the nuclear parameter
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Dehman, Clara, Mario Centelles, and Xavier Viñas. "Impact of the hot inner crust on compact stars at finite temperature." Astronomy & Astrophysics, May 13, 2024. http://dx.doi.org/10.1051/0004-6361/202450305.

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We conducted a study on the thermal properties of stellar matter with the nuclear energy density functional BCPM. This functional is based on microscopic Brueckner-Hartree-Fock calculations and has demonstrated success in describing cold neutron stars. To enhance its applicability in astrophysics, we extended the BCPM equation of state to finite temperature for beta -stable neutrino-free matter, taking into consideration the hot inner crust. Such an equation of state holds significant importance for hot compact objects, particularly those resulting from a binary neutron star merger event. Our
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Wu, Zehan, and Dehua 文德华 Wen. "From masses and radii of neutron stars to EOS of nuclear matter through neural network." Chinese Physics C, November 20, 2023. http://dx.doi.org/10.1088/1674-1137/ad0e04.

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Abstract The equation of state (EOS) of dense nuclear matter is a key factor to determine the internal structure and properties of neutron stars. However, the EOS of high-density nuclear matter has great uncertainty mainly because the terrestrial nuclear experiments cannot reproduce matter as dense as that in the inner core of a neutron star. Fortunately, continuous improvements in astronomical observations of neutron stars provide the opportunity to inversely constrain the EOS of high-density nuclear matter. A number of methods have been proposed to implement this inverse constraint, such as
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Conference papers on the topic "Inner shake-up state of nuclear matter"

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Kirk, Mark, and Marjorie Erickson. "A Code Case Concerning the Effect of Embrittlement on Index Temperature Metrics." In ASME 2020 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/pvp2020-21185.

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Abstract The ASME Section XI Working Groups on Operating Plant Criteria (WGOPC) and on Flaw Evaluation (WGFE) have undertaken an effort to develop a new Code Case (Record # 19-1113) to address the following inquiry: What method(s) are acceptable for obtaining RTNDT, RTTo and/or T0 that account for embrittlement for analytical evaluations performed in accordance with Nonmandatory Appendices A, E, G, or K in lieu of the current requirements of these Appendices? Accounting for embrittlement in Code calculations in an appropriate manner is a critical element to the operating safety of nuclear powe
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