Academic literature on the topic 'Metastable non-nucleonic states of nuclear matter'

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Journal articles on the topic "Metastable non-nucleonic states of nuclear matter"

1

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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2

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

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3

Timashev, S. F., I. B. Savvatimova, S. S. Poteshin, S. M. Ryndya, and N. I. Kargin. "Initiation of Artificial Radioactivity of Impurity Elements in a Lead Cathode under Conditions of a Glow Discharge." Журнал физической химии 97, no. 7 (2023): 915–24. http://dx.doi.org/10.31857/s0044453723070282.

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The possibility of initiation of nuclear chemical processes in the Pb cathode during a glow discharge in a low-temperature deuterium-containing nonequilibrium plasma leading to a significant (at times) decrease in the isotope content of some impurity elements (specifically, Zn) and increasing others (specifically, W, Fe, Mn, and Al). Such processes can be understood by introducing the existence in nuclear matter of metastable non-nucleon excitations of internal shaking (isu-states) formed by initiating actions on the nuclei of electrons with high (on chemical scales) kinetic energy Ee ~ 3–5 eV
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4

Lee, S. Y., and V. E. Schrock. "Critical Two-Phase Flow in Pipes for Subcooled Stagnation States With a Cavity Flooding Incipient Flashing Model." Journal of Heat Transfer 112, no. 4 (1990): 1032–40. http://dx.doi.org/10.1115/1.2910475.

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Analysis of loss of coolant accident (LOCA) scenarios in nuclear reactor safety evaluation depends on knowledge of many complex phenomena. A primary phenomenon controlling the sequence of events, by determining the residual coolant mass inventory within the primary system, is the critical flow process. Critical flow of a flashing liquid is complicated by marked departure from thermal equilibrium. Several complex models have been proposed to represent the non-equilibrium effects, including six-equation two-fluid models. Amos and Schrock (1983) developed a model based on the premise that the two
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5

Rubtsova, O. A., and V. N. Pomerantsev. "ACCOUNT OF NON-NUCLEONIC DEGREES OF FREEDOM IN NUCLEAR MATTER." Âdernaâ fizika 87, no. 3 (2024): 308–18. https://doi.org/10.31857/s0044002724030211.

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A two-component formalism has been developed for the reaction matrix in a nuclear medium in the case of nucleon–nucleon interaction taking into account additional non-nucleonic degrees of freedom. The approach is based on the dibaryon model of nucleon-nucleon interaction, which recently allowed to describe partial 𝑁𝑁 scattering amplitudes for the channels with total angular momentum 𝐽 ≤ 3 in a wide energy range fromzero to 0.6–1 GeV, and also to reproduce successfully the positions of the known dibaryon resonances for a number of channels. The bound states in the nuclear medium that arise for
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6

HOSSAIN, S., A. K. BASAK, M. A. UDDIN, M. N. A. ABDULLAH, I. REICHSTEIN, and F. B. MALIK. "NON-MONOTONIC ALPHA- AND 6Li-POTENTIALS FROM ENERGY DENSITY FUNCTIONAL FORMALISM." International Journal of Modern Physics B 22, no. 25n26 (2008): 4697–708. http://dx.doi.org/10.1142/s0217979208050449.

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The present status of the α-nucleus potential, generated from the energy density functional (EDF) formalism using a realistic two-nucleon potential, which incorporates the Pauli principle, is discussed. The EDF potentials, calculated using a density distribution of α-particle that yields a binding energy of 20 MeV with a reasonable root-mean-squared radius and observed density distributions of 6 Li and various target nuclei, are found to be shallow and non-monotonic in character. This non-monotonic EDF potential reproduces satisfactorily the experimental elastic scattering data, particularly a
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7

Bisnovatyi-Kogan, G. S., and A. F. Illarionov. "Low Energy Lines in Spectra of Gamma Bursts." International Astronomical Union Colloquium 115 (1990): 63–69. http://dx.doi.org/10.1017/s0252921100012148.

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AbstractWe connect the phenomenon of gamma ray bursts with nuclear explosions on the old neutron stars. The matter of the neutron star in the non-equilibrium layer at depths of 30 m ≤ h ≥ 100 m consists of superheavy (A ≥ 300) nuclei with a surplus of neutrons (A/Z = 3 ÷ 4). These nuclei are metastable and exist only at high pressure. After the starquake some of the matter from non-equilibrium layer may move upwards and its nuclei become unstable. The β-decay is followed by a chain reaction of fission and nuclear explosion. The gamma ray burst is observed as radiation of the star surface heate
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8

Popov, Alexei Yu, Andrei Nagovitsin, and Evgeniy Z. Gusakov. "Impact of trapped waves radiation losses on the saturation of low threshold two-UH-plasmon parametric decay instability." Plasma Physics and Controlled Fusion, July 20, 2022. http://dx.doi.org/10.1088/1361-6587/ac828b.

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Abstract The dispersion equation for metastable states in a finite tower of eigenmodes of trapped upper hybrid (UH) waves arising from a non-monotonic density profile is derived and then solved both analytically and numerically. Influence of the UH eigenmode damping due to the radiation losses on the saturation level of the two-UH-plasmon low-threshold parametric decay instability (PDI) is analyzed. Transitions from the odd-step number secondary decay saturation cascade to the even one and vice versa at the radiation losses variation are investigated and shown to initiate a substantial change
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9

Jiang, W. G., C. Forssén, T. Djärv, and G. Hagen. "Emulating ab initio computations of infinite nucleonic matter." Physical Review C 109, no. 6 (2024). http://dx.doi.org/10.1103/physrevc.109.064314.

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We construct efficient emulators for the computation of the infinite nuclear matter equation of state. These emulators are based on the subspace-projected coupled-cluster method for which we here develop a new algorithm called small-batch voting to eliminate spurious states that might appear when emulating quantum many-body methods based on a non-Hermitian Hamiltonian. The efficiency and accuracy of these emulators facilitate a rigorous statistical analysis within which we explore nuclear matter predictions for >106 different parametrizations of a chiral interaction model with explicit Δ-is
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