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Related papers: Fusion reactions in multicomponent dense matter

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Recent laboratory experiments have demonstrated that, even though contribution from other reaction channels cannot be neglected, unsaturated hydrocarbons easily break their multiple C-C bonds to form CO after their interactions with atomic…

Solar and Stellar Astrophysics · Physics 2015-06-15 Angela Occhiogrosso , Serena Viti , Nadia Balucani

The formation of complex nonuniform phases of nuclear matter, known as nuclear pasta, is studied with molecular dynamics simulations containing 51200 nucleons. A phenomenological nuclear interaction is used that reproduces the saturation…

Nuclear Theory · Physics 2013-12-25 A. S. Schneider , C. J. Horowitz , J. Hughto , D. K. Berry

We outline the phenomenon of deep crustal heating in transiently accreting neutron stars. It is produced by nuclear transformations (mostly, by pycnonuclear reactions) in accreted matter while this matter sinks to densities rho > 10^{10}…

Astrophysics · Physics 2007-05-23 D. G. Yakovlev , K. P. Levenfish

Structure of cold and hot dense matter at subnuclear densities is investigated by quantum molecular dynamics (QMD) simulations. Obtained phase diagrams show that the density of the phase boundaries between the different nuclear structures…

Astrophysics · Physics 2007-05-23 Gentaro Watanabe , Katsuhiko Sato , Kenji Yasuoka , Toshikazu Ebisuzaki

Carbon burning is a crucial process for a number of important astrophysical scenarios. The lowest measured energy is around E$_{\rm c.m.}$=2.1 MeV, only partially overlapping with the energy range of astrophysical interest. The currently…

Nuclear Experiment · Physics 2015-05-30 X. Tang , X. Fang , B. Bucher , H. Esbensen , C. L. Jiang , K. E. Rehm , C. J. Lin

We find that the abundance of large clusters of nucleons in neutron-rich matter at sub-nuclear density is greatly reduced by finite temperature effects when matter is close to beta-equilibrium. Large nuclei and exotic non-spherical nuclear…

High Energy Astrophysical Phenomena · Physics 2018-04-25 Alessandro Roggero , Jérôme Margueron , Luke F. Roberts , Sanjay Reddy

Stars are gravitationally stabilized fusion reactors changing their chemical composition while transforming light atomic nuclei into heavy ones. The atomic nuclei are supposed to be in thermal equilibrium with the ambient plasma. The…

Classical Analysis and ODEs · Mathematics 2016-09-06 William J. Anderson , Hans J. Haubold , Arak Mathai Mathai

We study the conditions required to produce self-sustained detonations in turbulent, carbon-oxygen degenerate plasma at low densities. We perform a series of three-dimensional hydrodynamic simulations of turbulence driven with various…

Solar and Stellar Astrophysics · Physics 2020-08-13 Daniel Fenn , Tomasz Plewa

A model of competition between complete fusion and quasifission channels in fusion of two massive nuclei is extended to include the influence of dissipative effects on the dynamics of nuclear fusion. By using the multidimensional…

Nuclear Theory · Physics 2009-10-30 G. G. Adamian , N. V. Antonenko , W. Scheid , V. V. Volkov

The deuteron-deuteron (D-D) thermonuclear reaction rates in metallic environments (considering the electron screening effects) is calculated using the S-factor functions which were obtained by fitting to low-energy data on D-D reactions.…

Nuclear Theory · Physics 2025-06-03 Faisal Etminan

Infinite nuclear matter is studied by resuming the series of ladder diagrams based on the results developed by us in Ann. Phys. 437, 168741 (2022). The master formula for the energy density is explicitly solved for the case of contact…

Nuclear Theory · Physics 2023-05-10 J. M. Alarcón , J. A. Oller

Collisions between $^{248}$Cm and $^{48}$Ca are systematically investigated by time-dependent density functional calculations with evaporation prescription. Depending on the incident energy and impact parameter, fusion, deep-inelastic and…

Nuclear Theory · Physics 2017-08-23 Yoritaka Iwata , Sophia Heinz

Suprathermal fusion reactions, initiated by energetic particles slowing down and scattering in dense plasmas, can modify the burn dynamics at inertial confinement fusion (ICF) regimes. A 0D time-dependent Monte-Carlo code has been developed…

Plasma Physics · Physics 2026-04-09 Marcus Borscz , Thomas A. Mehlhorn , Patrick A. Burr , Igor Morozov , Sergey Pikuz

Neutron stars in close binary star systems often accrete matter from their companion stars. Thermonuclear ignition of the accreted material in the atmosphere of the neutron star leads to a thermonuclear explosion which is observed as an…

Phases of nuclear matter are crucial in the determination of physical properties of neutron stars~(NS). In the core of NS, the density and pressure become so large that the nuclear matter possibly undergoes phase transition into a…

Nuclear Theory · Physics 2021-09-01 Sitthichai Pinkanjanarod , Piyabut Burikham

The $^{24}$Mg($\alpha,\gamma$)$^{28}$Si reaction influences the production of magnesium and silicon isotopes during carbon burning and is one of eight reaction rates found to significantly impact the shape of calculated X-ray burst light…

Nuclear Experiment · Physics 2020-07-09 P. Adsley , A. M. Laird , Z. Meisel

This work presents a reaction mechanism for oxygen plasmas, i.e. a set of reactions and corresponding rate coefficients that are validated against benchmark experiments. The kinetic scheme is validated in a DC glow discharge for gas…

We investigate the fusion cross sections of light nuclei in the presence of linearly polarized intense laser fields. By combining the Coulomb-Volkov solutions with the complex spherical square-well nuclear potential, we derive an explicit…

Nuclear Theory · Physics 2023-12-29 Binbing Wu , Zhengfeng Fan , Difa Ye , Tao Ye , Congzhang Gao , Chengxin Yu , Xuefeng Xu , Cunbo Zhang , Jie Liu

We explore properties of core-collapse supernova progenitors with respect to the composite uncertainties in the thermonuclear reaction rates by coupling the reaction rate probability density functions provided by the STARLIB reaction rate…

Solar and Stellar Astrophysics · Physics 2018-02-07 C. E. Fields , F. X. Timmes , R. Farmer , I. Petermann , William M. Wolf , S. M. Couch

We examine plasma composition of jets in active galactic nuclei through the comparison of the total pressure ($P$) with partial pressures of electrons and protons in a cocoon. The total pressure is estimated from the analysis of an…

High Energy Astrophysical Phenomena · Physics 2015-06-04 Motoki Kino , Nozomu Kawakatu , Fumio Takahara
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