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Heavy elements (beyond iron) are formed in neutron capture nucleosynthesis processes. We have proposed a simple unified model to investigate the neutron capture nucleosynthesis in arbitrary neutron density environment. We have also…

Solar and Stellar Astrophysics · Physics 2016-08-18 Miklos Kiss

Neutron stars can provide new insight into dark matter properties, as these dense objects capture dark matter particles very efficiently. It has recently been shown that the energy transfer in the dark matter capture process can lead to…

High Energy Physics - Phenomenology · Physics 2018-09-13 Nicole F. Bell , Giorgio Busoni , Sandra Robles

We derive the charged current absorption rate of electron and anti-electron neutrinos in dense matter using a fully relativistic approach valid at arbitrary matter degeneracy. We include mean field energy shifts due to nuclear interactions…

High Energy Astrophysical Phenomena · Physics 2017-05-03 Luke F. Roberts , Sanjay Reddy

The agreement between the fragments' internal and kinetic temperatures with the breakup temperature is investigated using a Statistical Multifragmentation Model which makes no a priori as- sumption on the relationship between them. We thus…

Nuclear Theory · Physics 2015-09-02 S. R. Souza , B. V. Carlson , R. Donangelo , W. G. Lynch , M. B. Tsang

Nuclear electron capture rate from continuum in an astrophysical plasma environment (like solar core) is calculated using a modified Debye-Huckel screening potential and the related non-Gaussian q-distribution of electron momenta. For q=1…

Nuclear Theory · Physics 2009-03-04 P. Quarati , A. M. Scarfone

We present the first measurements of inter-subband absorption of microwaves in surface electrons on liquid helium subjected to perpendicular magnetic field B. In quantizing B, the power absorption shows intermittent regions of enhanced and…

Mesoscale and Nanoscale Physics · Physics 2013-04-23 Denis Konstantinov , Kimitoshi Kono

We consider the possibility of detecting relic anti-neutrinos by their resonant absorption in a nucleus, which can undergo electron capture. This possibility appears quite realistic in view of recent developments in Penning Trap Mass…

High Energy Physics - Phenomenology · Physics 2015-06-18 J. D. Vergados , Yu. N. Novikov

A method is proposed for determining the temperature of hot electrons in a metallic nanoparticle embedded in a dielectric matrix under ultrashort laser pulses irradiation. The amplitude and power of the longitudinal spherical acoustic…

Mesoscale and Nanoscale Physics · Physics 2017-12-15 N. I. Grigorchuk

High Mach number collisionless shocks are found in planetary systems and supernova remnants (SNRs). Electrons are heated at these shocks to the temperature well above the Rankine-Hugoniot prediction. However processes responsible for…

High Energy Astrophysical Phenomena · Physics 2020-11-25 Artem Bohdan , Martin Pohl , Jacek Niemiec , Paul Morris , Yosuke Matsumoto , Takanobu Amano , Masahiro Hoshino

An electron density functional approach for the calculation of the nuclear multipole moments is presented. The electronic matrix elements entering the experimentally observed hyperfine electron-nucleus interaction constants in atoms are…

Nuclear Theory · Physics 2007-05-23 R. L. Pavlov , P. P. Raychev , V. P. Garistov , M. Dimitrova-Ivanovich , J. Maruani

The importance of microphysical inputs from laboratory nuclear experiments and theoretical nuclear structure calculations in the understanding of the core collapse dynamics, and the subsequent supernova explosion, is largely recognized in…

Nuclear Theory · Physics 2017-02-14 Ad. R. Raduta , F. Gulminelli , M. Oertel

The atomic ionization processes induced by scattering of neutrinos play key roles in the experimental searches for a neutrino magnetic moment. Current experiments with reactor (anti)neutrinos employ germanium detectors having energy…

High Energy Physics - Phenomenology · Physics 2015-05-28 K. A. Kouzakov , A. I. Studenikin , M. B. Voloshin

Nuclear pasta, with non-spherical shapes, is expected near the base of the crust in neutron stars. Large scale molecular dynamics simulations of pasta show long lived topological defects that could increase electron scattering and reduce…

High Energy Astrophysical Phenomena · Physics 2015-01-26 C. J. Horowitz , D. K. Berry , C. M. Briggs , M. E. Caplan , A. Cumming , A. S. Schneider

We analyse the effect of neutron superfluidity on the cooling time of inner crust matter in neutron stars, in the case of a rapid cooling of the core. The specific heat of the inner crust, which determines the thermal response of the crust,…

Nuclear Theory · Physics 2008-11-26 C. Monrozeau , J. Margueron , N. Sandulescu

Electron cooling is a well-established method to improve the phase space quality of ion beams in storage rings. In the common rest frame of the ion and the electron beam the ion is subjected to a drag force and it experiences a loss or a…

Plasma Physics · Physics 2013-07-05 H. B. Nersisyan , G. Zwicknagel

The superheavy nuclei push the periodic table of the elements and the chart of the nuclides to their limits, providing a unique laboratory for studies of the electron-nucleus interactions. The most important weak decay mode in known…

Atomic Physics · Physics 2025-03-20 A. Ravlić , P. Schwerdtfeger , W. Nazarewicz

We perform a high-resolution two-dimensional fully-kinetic numerical simulation of a turbulent plasma system with observation-driven conditions, in order to investigate the interplay between turbulence, magnetic reconnection, and particle…

We have studied various physical properties of magnetically deformed atoms and the associated matter, replacing the atoms by the deformed Wigner-Seitz (WS) cells at the crustal region of strongly magnetized neutron stars (magnetars). A…

Solar and Stellar Astrophysics · Physics 2015-05-27 Arpita Ghosh , Somenath Chakrabarty

We investigate the effects of a magnetic field on the thermodynamics of a neutron system at finite density and temperature. Our main motivation is to deepen the understanding of the physics of a class of neutron stars known as magnetars,…

Nuclear Theory · Physics 2019-06-12 E. J. Ferrer , A. Hackebill

We study the electrical conductivity of finite-temperature crust of a warm compact star which may be formed in the aftermath of a supernova explosion or a binary neutron star merger as well as when a cold neutron star is heated by accretion…

High Energy Astrophysical Phenomena · Physics 2016-09-13 Arus Harutyunyan , Armen Sedrakian