English
Related papers

Related papers: Self-consistent antikaon dynamics in isospin-asymm…

200 papers

Using a self-consistent quark model for nuclear matter we investigate variations of the masses of the non-strange vector mesons, the hyperons and the nucleon in dense nuclear matter (up to four times the normal nuclear density). We find…

Nuclear Theory · Physics 2008-11-26 K. Saito , A. W. Thomas

We investigate the properties of an antikaon in medium, regarding itas a MIT bag. We first construct the MIT bag model for a kaon with$\sigma^*$ and $\phi$ in order to describe the interaction of$s$-quarks in hyperonic matter in the…

Nuclear Theory · Physics 2010-04-30 C. Y. Ryu , C. H. Hyun , S. W. Hong

We calculate the nucleon parameters in isospin asymmetric nuclear matter using the QCD sum rules. The nucleon self-energies are expressed in terms of the in-medium values of QCD condensates. The simple approximate expressions for the…

Nuclear Theory · Physics 2009-11-10 E. G. Drukarev , M. G. Ryskin , V. A. Sadovnikova

The antikaon optical potential in hot and dense nuclear matter is studied within the framework of a coupled-channel self-consistent calculation taking, as bare meson-baryon interaction, the meson-exchange potential of the J\"ulich group.…

Nuclear Theory · Physics 2016-09-08 Laura Tolos , Angels Ramos , Artur Polls

The pion properties in symmetric nuclear matter are investigated with the Quark-Meson Coupling (QMC) Model plus the light-front constituent quark model~(LFCQM). The LFCQM has been quite successful in describing the properties of…

High Energy Physics - Phenomenology · Physics 2016-06-22 J. P. B. C. de Melo , Kazuo Tsushima , Tobias Frederico

We overview the recent progress in the investigation of the antikaon dynamics with single nucleon and with few-body nuclei, based on chiral SU(3) symmetry. We first show how the Lambda(1405) resonance emerges from the coupled-channel Kbar…

Nuclear Theory · Physics 2015-06-11 Tetsuo Hyodo

The mass spectra of nucleon resonances with spin 1/2, 3/2, and 5/2 are systematically studied in the constituent quark model with meson-quark coupling, which is inspired by the spontaneous breaking of chiral symmetry of QCD. The meson-quark…

Nuclear Theory · Physics 2009-10-30 H. Kowata , M. Arima , K. Masutani

The first order self-energy corrections of the kaon in the symmetric nuclear matter are calculated from kaon-nucleon scattering matrix elements using a chiral Lagrangian within the framework of relativistic mean field approximation. It…

Nuclear Theory · Physics 2008-12-25 Yue-Lei Cui , Bao-Xi Sun

The dynamics of monopole giant resonances in nuclei is analyzed in the time-dependent relativistic mean-field model. The phase spaces of isoscalar and isovector collective oscillations are reconstructed from the time-series of dynamical…

Nuclear Theory · Physics 2009-10-31 D. Vretenar , N. Paar , P. Ring , G. A. Lalazissis

An effective low energy Lagrangian density is applied to nuclear $K^-$-dynamics. The free parameters, local s-wave couplings and SU(3)-symmetry constrained range terms are adjusted to describe elastic and inelastic $K^-$-nucleon scattering…

Nuclear Theory · Physics 2010-12-16 Matthias Lutz

The discrete energy-eigenvalues of two nucleons interacting with a finite-range nuclear force and confined to a harmonic potential are used to numerically reconstruct the free-space scattering phase shifts. The extracted phase shifts are…

Nuclear Theory · Physics 2014-11-21 Thomas Luu , Martin Savage , Achim Schwenk , James P. Vary

We investigate the ground-state properties of asymmetric nuclear matter and its response to a static perturbation using the density functional theory framework. Our method, which extends the finite-nucleon-number technique of…

Nuclear Theory · Physics 2025-08-06 M. Li , F. Marino , G. Colò , H. Liang

We investigate soft gluon radiation off a quark-antiquark antenna in both color singlet and octet configurations traversing a dense medium. We demonstrate that, in both cases, multiple scatterings lead to a gradual decoherence of the…

High Energy Physics - Phenomenology · Physics 2015-05-27 Y. Mehtar-Tani , C. A. Salgado , K. Tywoniuk

Recent advances in tabletop quantum sensor technology have enabled searches for nongravitational interactions of dark matter (DM). Traditional axion DM experiments rely on sharp resonance, resulting in extensive scanning time to cover a…

High Energy Physics - Phenomenology · Physics 2025-04-18 Kai Wei , Zitong Xu , Yuxuan He , Xiaolin Ma , Xing Heng , Xiaofei Huang , Wei Quan , Wei Ji , Jia Liu , Xiao-Ping Wang , Dmitry Budker , Jiancheng Fang

We discuss a self-consistent method to calculate the properties of cold asymmetric nuclear matter which is dressed with isoscalar scalar pion condensates. The nucleon-nucleon interaction is mediated by these pion pairs, omega- and rho-…

Nuclear Theory · Physics 2007-12-03 S. Sarangi , P. K. Panda , S. K. Sahu , L. Maharana

A separable potential model of three coupled channels (pion-pion, kaon-antikaon and an effective four pion) has been constructed and applied in the analysis of the isoscalar S-wave pion-pion and kaon-antikaon phase shifts and inelasticities…

High Energy Physics - Phenomenology · Physics 2007-05-23 L. Lesniak

We discuss here a self-consistent method to calculate the properties of the cold asymmetric nuclear matter. In this model, the nuclear matter is dressed with s-wave pion pairs and the nucleon-nucleon (N-N) interaction is mediated by these…

Nuclear Theory · Physics 2009-11-13 S. Sarangi , P. K. Panda , S. K. Sahu , L. Maharana

We consider departures from hamiltonian dynamics in the evolution of neutral kaons due to their interactions with environment that generate entanglement among them. We propose a phenomenological model of stochastic re-scattering and…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. A. Andrianov , R. Tarrach , J. Taron

The modification on kaon and antikaon properties of in the interior of (proto-)neutron stars is investigated using a chiral SU(3) model. The parameters of the model are fitted to nuclear matter saturation properties, baryon octet vacuum…

Nuclear Theory · Physics 2014-11-20 Amruta Mishra , Arvind Kumar , Sambuddha Sanyal , V. Dexheimer , Stefan Schramm

The isospin- and momentum-dependent MDI interaction, which has been extensively used in intermediate-energy heavy-ion reactions to study the properties of asymmetric nuclear matter, is extended to include the nucleon-hyperon and…

Nuclear Theory · Physics 2010-05-21 Jun Xu , Lie-Wen Chen , Che Ming Ko , Bao-An Li