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Related papers: On introducing Charge-Symmetry-Breaking terms to n…

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Symmetry energy behavior of scalar mesons interactions is analyzed within the framework of the standard relativistic mean field model. Whereas the presence of the $\delta$ meson itself makes the symmetry energy stiffer, the crossing term…

Nuclear Theory · Physics 2019-03-25 Noemi Zabari , Sebastian Kubis , Włodzimierz Wójcik

A quantitative understanding of charge-symmetry breaking is an increasingly important ingredient for the extraction of the nucleon's strange vector form factors. We review the theoretical understanding of the charge-symmetry-breaking form…

Nuclear Theory · Physics 2011-11-22 Bastian Kubis

We examine the possibility that one could measure partonic charge symmetry violation (CSV) by comparing neutrino or antineutrino production through charged-current reactions induced by electrons or positrons at a possible electron collider…

High Energy Physics - Phenomenology · Physics 2015-03-17 T. J. Hobbs , J. T. Londergan , D. P. Murdock , A. W. Thomas

Correlated Basis Function (CBF) perturbation theory and the formalism of cluster expansions have been recently employed to obtain an effective interaction from a nuclear Hamiltonian strongly constrained by phenomenology. We report the…

Nuclear Theory · Physics 2017-10-24 Omar Benhar , Giulia De Rosi

Central collisions induced by high energy radioactive beams can be used as a novel means to obtain crucial information about the high density ({\rm HD}) behaviour of nuclear symmetry energy. This information is critical for understanding…

Nuclear Theory · Physics 2009-11-10 Bao-An Li

The decomposition of nuclear symmetry energy into spin and isospin components is discussed to elucidate the underlying properties of the NN bare interaction. This investigation was carried out in the framework of the Brueckner-Hartree-Fock…

Nuclear Theory · Physics 2023-07-12 Wenmei Guo , M. Colonna , V. Greco , U. Lombardo , H. J. Schulze

Recent advances in nuclear structure theory have significantly enlarged the accessible part of the nuclear landscape via ab initio many-body calculations. These developments open new ways for microscopic studies of light, medium-mass and…

Nuclear Theory · Physics 2021-01-07 Kai Hebeler

We outline the qualitatively different physics behind charging-induced current asymmetries in molecular conductors operating in the weakly interacting self-consistent field (SCF) and the strongly interacting Coulomb Blockade (CB) regimes. A…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 O. D. Miller , B. Muralidharan , N. Kapur , A. W. Ghosh

We show that within the framework of a simple local nuclear energy density functional (EDF), one can describe accurately the one-- and two--nucleon separation energies of semi--magic nuclei. While for the normal part of the EDF we use…

Nuclear Theory · Physics 2009-11-07 Yongle Yu , Aurel Bulgac

A symmetry-preserving Dyson-Schwinger equation treatment of a vector-vector contact interaction is used to compute dressed-quark-core contributions to the nucleon $\sigma$-term and tensor charges. The latter enable one to directly determine…

Nuclear Theory · Physics 2015-04-08 Mario Pitschmann , Chien-Yeah Seng , Craig D. Roberts , Sebastian M. Schmidt

We consider a model where right-handed neutrinos and sneutrinos are introduced to the minimal supersymmetric standard model. In the scalar potential of this model, there exist trilinear and quartic terms in scalar potential that are…

High Energy Physics - Phenomenology · Physics 2011-03-29 Tatsuo Kobayashi , Takashi Shimomura

Charge equilibration between two colliding nuclei can take place in the early stage of heavy-ion collisions. A basic mechanism of charge equilibration is presented in terms of the extension of single-particle motion from one nucleus to the…

Nuclear Theory · Physics 2010-11-11 Yoritaka Iwata , Takaharu Otsuka , Joachim A. Maruhn , Naoyuki Itagaki

We report on recent progress of our analysis of the nucleon sigma terms, as well as the singlet scalar, axial and tensor nucleon charges. These are determined employing the CLS gauge ensembles, which are generated using the L\"uscher-Weisz…

High Energy Physics - Lattice · Physics 2021-11-29 Daniel Jenkins , Sara Collins , Gunnar Bali

Expressing explicitly the parameters of the standard Skyrme interaction in terms of the macroscopic properties of asymmetric nuclear matter, we show in the Skyrme-Hartree-Fock approach that unambiguous correlations exist between observables…

Nuclear Theory · Physics 2012-03-27 Lie-Wen Chen , Che Ming Ko , Bao-An Li , Jun Xu

An alternative way to constrain the density dependence of the symmetry energy with the slope of the neutron skin thickness of nuclei which shows a linear relation to both the isospin asymmetry and the nuclear charge with a form of Z^{2/3}…

Nuclear Theory · Physics 2011-08-02 Min Liu , Zhuxia Li , Ning Wang , Fengshou Zhang

Elements of nuclear symmetry energy evaluated from different energy density functionals parametrized by fitting selective bulk properties of few representative nuclei are seen to vary widely. Those obtained from experimental data on nuclear…

Nuclear Theory · Physics 2015-08-07 C. Mondal , B. K. Agrawal , J. N. De

The recent pioneering campaigns conducted by the Lead Radius Experiment (PREX) and the Calcium Radius Experiment (CREX) collaborations have uncovered major deficiencies in the theoretical description of some fundamental properties of atomic…

Nuclear Theory · Physics 2023-12-22 Marc Salinas , Jorge Piekarewicz

We study the cosmic microwave background (CMB) radiation in the unified description of the effective field theory (EFT) of dark energy that accommodates both scalar-tensor and vector-tensor theories. The boundaries of different classes of…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-08 Katsuki Aoki , Mohammad Ali Gorji , Takashi Hiramatsu , Shinji Mukohyama , Masroor C. Pookkillath , Kazufumi Takahashi

The term dark radiation is used both to describe a noninteracting neutrino species and as a correction to the Friedmann Equation in the simplest five-dimensional RS-II brane-world cosmology. In this paper we consider the constraints on both…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-04 Nishanth Sasankan , Mayukh. R. Gangopadhyay , Grant. J. Mathews , Motohiko Kusakabe

We calculate the contribution of the nucleon-nucleon tensor interaction to single-particle energies with finite-range $ G $ matrix potentials and with zero-range Skyrme potentials. The Skx Skyrme parameters including the zero-range tensor…

Nuclear Theory · Physics 2008-11-26 B. A. Brown , T. Duguet , T. Otsuka , D. Abe , T. Suzuki