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Related papers: Isospin effects in N~Z nuclei in extended Density …

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The phenomenon of nuclear liquid-gas phase transition is a topic of contemporary interest. In heavy-ion collisions, there is no direct way of accessing the thermodynamic variables like pressure, density, free energy, entropy etc., and…

Nuclear Theory · Physics 2025-01-03 S. Mallik

Effects of pairing with isospin $T=0$ and $T=1$ are systematically studied in a model, which is based on a realistic nucleon-nucleon interaction and allows to describe the transition from infinite nuclear matter to finite nuclei. Special…

Nuclear Theory · Physics 2019-03-27 Herbert Müther , Artur Polls

We review the current status and future perspectives of theory and experiments of transverse spin phenomena in high-energy scattering processes off nucleon targets and related issues in nucleon structure and QCD. Systematic exploration of…

High Energy Physics - Phenomenology · Physics 2015-10-26 Matthias Grosse Perdekamp , Feng Yuan

The sensitivities of isospin asymmetry and collision geometry dependencies of participant (overlapping region)- spectator (quasiprojectile and quasitarget region) matter towards the symmetry energy using the isospin quantum molecular…

Nuclear Theory · Physics 2012-11-26 Sanjeev Kumar , Y. G. Ma , G. Q. Zhang

The relativistic mean field theory in combination with the analytic continuation in the coupling constant method is used to determine the energies and widths of single-particle resonant states in Sn isotopes. It is shown that there exists…

Nuclear Theory · Physics 2009-11-11 Jian You Guo , Xiang Zheng Fang

Effective proton-neutron interactions, $V_{pn}$, in mirror nuclei are systematically analyzed using the ground-state atomic masses. A mirror symmetry of $V_{pn}$ is found for bound nuclei with a standard deviation of $\sigma=32$ keV.…

Nuclear Theory · Physics 2025-03-04 Y. M. Xing , Y. F. Luo , K. H. Li , Y. H. Zhang , J. G. Li , M. Wang , Yu. A. Litvinov , K. Blaum , X. L. Yan , T. Liao , M. Zhang , X. Zhou

The evolution of single-particle energies with varying isospin asymmetry in the shell model is an important issue when predicting changes in the shell structure for exotic nuclei. In many cases pseudospin partner levels, that are almost…

Nuclear Theory · Physics 2008-11-26 S. Typel

Although SU(2) isospin symmetry is generally assumed in the basic theory of the strong interaction, a number of significant violations have been observed in scattering and bound states of nucleons. Many of these violations can be attributed…

Nuclear Theory · Physics 2017-09-06 W. R. Gibbs , Jean-Pierre Dedonder

Isospin effects on the optical potentials of kaons and antikaons in dense hadronic matter are investigated using a chiral SU(3) model. These effects are important for asymmetric heavy ion collision experiments. In the present work the…

Nuclear Theory · Physics 2008-11-26 Amruta Mishra , Stefan Schramm

A study of properties of the symmetry energy of nuclei is presented based on density functional theory. Calculations for finite nuclei are given so that the study includes isospin dependent surface symmetry considerations as well as isospin…

Nuclear Theory · Physics 2011-01-28 S. J. Lee , A. Z. Mekjian

Pseudospin symmetry in nuclei is investigated by solving the Dirac equation with Woods-Saxon scalar and vector radial potentials, and studying the correlation of the energy splittings of pseudospin partners with the nuclear potential…

Nuclear Theory · Physics 2009-11-07 P. Alberto , M. Malheiro , A. Delfino , M. Fiolhais , M. Chiapparini

The thermal and phase properties of a multifragmentation model which uses clusters as degrees of freedom, are explored as a function of isospin. A good qualitative agreement is found with the phase diagram of asymmetric nuclear matter as…

Nuclear Theory · Physics 2008-11-26 Ad. R. Raduta , F. Gulminelli

The symmetry energy in the nuclear equation of state affects many aspects of nuclear astrophysics, nuclear structure, and nuclear reactions. Recent constraints from heavy ion collisions, including isospin diffusion observables, have started…

Nuclear Theory · Physics 2015-05-28 D. D. S. Coupland , W. G. Lynch , M. B. Tsang , P. Danielewicz , Yingxun Zhang

The spin magnetic dipole transitions and the neutron-proton spin-spin correlations in $sd-$shell even-even nuclei with $N=Z$ are investigated using shell model wave functions. The isoscalar spin-triplet pairing correlation provides a…

Nuclear Theory · Physics 2016-11-23 H. Sagawa , T. Suzuki , M. Sasano

The recent series of experiments on polarized lepton-nucleon scattering have provided a strange new twist in the story of the nucleon, some of whose aspects are reviewed in these lectures. In the first lecture, we review some issues arising…

High Energy Physics - Phenomenology · Physics 2007-05-23 John Ellis , Marek Karliner

In heavy-ion collisions at intermediate energies, the production and propagation of $\Delta$ particles are crucial to understanding the nuclear equation of state and inferring the properties of nuclear matter at high densities. Based on the…

Nuclear Theory · Physics 2024-05-29 Manzi Nan , Pengcheng Li , Yongjia Wang , Qingfeng Li , Wei Zuo

Nuclear effects in polarized inelastic electron scattering off polarized $^3He$ and polarized $^2H$ are discussed; in the resonance region, Fermi motion effects are found to be much larger than in deep inelastic scattering. It is shown that…

Nuclear Theory · Physics 2008-02-03 S. Scopetta , A. Yu. Umnikov , C. Ciofi degli Atti , L. P. Kaptari

In this work we study the contribution of the isoscalar tensor coupling to the realization of pseudospin symmetry in nuclei. Using realistic values for the tensor coupling strength, we show that this coupling reduces noticeably the…

Nuclear Theory · Physics 2009-11-10 P. Alberto , R. Lisboa , M. Malheiro , A. S. de Castro

Generalized symmetry energy coefficients of asymmetric nuclear matter are obtained as screening functions. The dependence of the isospin symmetry energy coefficient on the neutron proton (n-p) asymmetry may be determined unless by a…

Nuclear Theory · Physics 2009-11-07 Fabio L. Braghin

Symmetry properties of densities and mean fields appearing in the nuclear Density Functional Theory with pairing are studied. We consider energy functionals that depend only on local densities and their derivatives. The most important…

Nuclear Theory · Physics 2010-04-06 S. G. Rohozinski , J. Dobaczewski , W. Nazarewicz