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Short range correlations are introduced using unitary correlation method in a relativistic approach to the equation of state of the infinite nuclear matter in the framework of the Hartree-Fock approximation. The effect of the correlations…

Nuclear Theory · Physics 2015-06-26 P. K. Panda , D. P. Menezes , C. Providencia , J. da Providencia

A low-momentum nucleon-nucleon (NN) potential V-low-k is derived from modern realistic NN potentials by integrating out the high-momentum modes. The smooth V-low-k may be used as input for nuclear structure calculations instead of the usual…

Nuclear Theory · Physics 2017-08-23 L. Coraggio , A. Covello , A. Gargano , N. Itaco , T. T. S. Kuo

Recent observations of neutron-star properties, in particular the recent detection of gravitational waves emitted from binary neutron stars, GW 170817, open the way to put strong constraints on nuclear interactions. In this paper, we review…

Nuclear Theory · Physics 2019-09-25 S. Gandolfi , J. Lippuner , A. W. Steiner , I. Tews , X. Du , M. Al-Mamun

We perform large-space shell-model calculations for the low-lying energy spectra of a few light nuclei, $^4\mbox{He}$, $^5\mbox{He}$, $^6\mbox{Li}$ and $^7\mbox{Li}$, in a no-core model space with a realistic effective two-body interaction…

Nuclear Theory · Physics 2008-11-26 D. C. Zheng , B. R. Barrett , L. Jaqua , J. P. Vary , R. J. McCarthy

We propose to use antiprotons to investigate the sizes of stable and neutron-rich exotic nuclei by measurements of the $\pbar A$ absorption cross section along isotopic chains in inverse kinematics. The expected effects are studied…

Nuclear Theory · Physics 2008-11-26 H. Lenske , P. Kienle

We calculate total masses and radii of neutron stars (NS) for pure neutron matter and nuclear matter in beta-equilibrium. We apply a relativistic nuclear matter equation of state (EOS) derived from Dirac-Brueckner-Hartree-Fock (DBHF)…

Nuclear Theory · Physics 2009-11-11 Plamen G. Krastev , Francesca Sammarruca

Background: The presence of nuclear ground states with stable reflection-asymmetric shapes is supported by rich experimental evidence. Theoretical surveys of odd-multipolarity deformations predict the existence of pear-shaped isotopes in…

Nuclear Theory · Physics 2021-03-10 Mengzhi Chen , Tong Li , Jacek Dobaczewski , Witold Nazarewicz

Total and energy-angle differential probabilities of positrons created in slow collisions of two identical nuclei are calculated within relativistic two-center approach. The time-dependent Dirac equation is solved in the rotating frame…

High Energy Physics - Phenomenology · Physics 2025-09-10 N. K. Dulaev , D. A. Telnov , V. M. Shabaev , Y. S. Kozhedub , X. Ma , I. A. Maltsev , R. V. Popov , I. I. Tupitsyn

While QCD appears not to be accurately solvable in the regime of interest for neutron star physics, microscopic calculations are feasible at both low and very high densities. In this work, we propose using the most realistic calculations in…

High Energy Astrophysical Phenomena · Physics 2010-06-22 Aleksi Kurkela , Paul Romatschke , Aleksi Vuorinen , Bin Wu

Properties of nuclear matter are investigated in the framework of relativistic Brueckner-Hartree-Fock model with the latest high-precision charge-dependent Bonn (pvCD-Bonn) potentials, where the coupling between pion and nucleon is adopted…

Nuclear Theory · Physics 2020-10-28 Chencan Wang , Jinniu Hu , Ying Zhang , Hong Shen

Recent multi-channel astrophysics observations and the soon-to-be published new measured electromagnetic and gravitation data provide information on the inner structure of the compact stars. These macroscopic observations can significantly…

High Energy Physics - Phenomenology · Physics 2019-05-07 Péter Pósfay , Gergely Gábor Barnaföldi , Antal Jakovác

The equations of state of spin-polarized nuclear matter and pure neutron matter are studied in the framework of the Brueckner-Hartree-Fock theory including a three-body force. The energy per nucleon $E_A(\delta)$ calculated in the full…

Nuclear Theory · Physics 2018-01-17 W. Zuo , U. Lombardo , C. W. Shen

The past years have witnessed tremendous progress in understanding the properties of neutron stars and of the dense matter in their cores, made possible by electromagnetic observations of neutron stars and the detection of gravitational…

We discuss two different approximation schemes for the self-consistent solution of the {\it relativistic} Brueckner-Hartree-Fock equation for finite nuclei. In the first scheme, the Dirac effects are deduced from corresponding nuclear…

Nuclear Theory · Physics 2009-10-22 R. Fritz H. Müther , R. Machleidt

Set of neutron star observational results is used to test some selected equations of state of dense nuclear matter. The first observational result comes from the mass--baryon number relation for pulsar B of the double pulsar system J…

Solar and Stellar Astrophysics · Physics 2010-07-21 Martin Urbanec , Emil Betak , Zdenek Stuchlik

The properties of hot matter are studied in the frame of the relativistic Brueckner-Hartree-Fock theory. The equations are solved self-consistently in the full Dirac space. For the interaction we used the potentials given by Brockmann and…

Nuclear Theory · Physics 2008-11-26 H. Huber , F. Weber , M. K. Weigel

Earlier we have shown that interacting electron-positron and electromagnetic fields can be considered as a certain microscopic distortion of pseudo-Euclidean properties of the Minkovsky 4-space-time. The known Dirac and Maxwell equations…

High Energy Physics - Theory · Physics 2007-05-23 O. A. Olkhov

We present a method to calculate neutron scattering cross sections for deformed nuclei using many--body wavefunctions described with multiple reference states. Nuclear states are calculated with the generator coordinate method using a low…

Nuclear Theory · Physics 2025-09-08 J. Boström , J. Rotureau , B. G. Carlsson , A. Idini

We construct a class of nuclear equations of state based on a schematic potential model, that originates from the work of Prakash et. al. \cite{Prakash-88}, which reproduce the results of most microscopic calculations. The equations of…

Nuclear Theory · Physics 2008-11-26 V. P. Psonis , Ch. C. Moustakidis , S. E. Massen

This theoretical particle physics thesis is an investigation into old and new symmetries of Nature. Known symmetries and conservation laws serve as a guide for dark and visible sector model building. New symmetries of Nature are proposed,…

High Energy Physics - Phenomenology · Physics 2020-01-03 Jennifer Rittenhouse West
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