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Related papers: Effects of $\Sigma$N channels on the Spin-Orbit Fo…

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We study the binding energies, radii, single-particle energies, spin-orbit potential and density profile for multi-strange hypernuclei in the range of light mass to superheavy region within the relativistic mean field (RMF) theory. The…

Nuclear Theory · Physics 2015-06-22 M. Ikram , S. K. Singh , A. A. Usmani , S. K. Patra

The in-medium feature of nuclear force which includes both nucleon-nucleon ($NN$) and hyperon-nucleon ($\Lambda N$) interactions impacts the description of single-$\Lambda$ hypernuclei. With the alternated mass number or isospin of…

Nuclear Theory · Physics 2023-10-31 Shi Yuan Ding , Wei Yang , Bao Yuan Sun

Recent experimental data show an unexpectedly large spin alignment of $\phi$ mesons in high-energy heavy-ion collisions, which can be explained by short-distance fluctuations of strong-force fields (vector $\phi$ fields) within the…

High Energy Physics - Phenomenology · Physics 2025-12-16 Xin-Li Sheng , Xiang-Yu Wu , Dirk H. Rischke , Xin-Nian Wang

The $\Lambda$ separation energies in the mirror hypernuclei ${_{\Lambda}^4}{\rm H}-{_{\Lambda}^4}{\rm He}$ exhibit large charge symmetry breaking (CSB). Analyzing this CSB within pionless effective field theory while using partially…

Nuclear Theory · Physics 2023-03-21 M. Schäfer , N. Barnea , A. Gal

The $\Lambda p$ interaction close to the $\Sigma N$ threshold is considered. Specifically, the pronounced structure seen in production reactions like $K^-d \to \pi^- \Lambda p$ and $pp\to K^+ \Lambda p$ around the $\Sigma N$ threshold is…

Nuclear Experiment · Physics 2015-06-12 H. Machner , J. Haidenbauer , F. Hinterberger , A. Magiera , J. A. Niskanen , J. Ritman , R. Siudak

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

In this paper we consider the contribution of the anomalous magnetic moments of protons and neutrons to the nuclear charge density. We show that the spin-orbit contribution to the mean-square charge radius, which has been neglected in…

Nuclear Theory · Physics 2010-08-09 A. Ong , J. C. Berengut , V. V. Flambaum

This paper overviews various phenomena related to the concept of isospin symmetry. The focus is on N~Z nuclei, which are excellent laboratories of isospin physics. The theoretical framework applied is nuclear Density Functional Theory and…

Nuclear Theory · Physics 2016-03-04 Wojciech Satula , Witold Nazarewicz

We discuss spin and pseudo-spin symmetry in the spectrum of single nucleons and single anti-nucleons in a nucleus. As an example we use relativistic mean field theory to investigate single anti-nucleon spectra. We find a very well developed…

Nuclear Theory · Physics 2009-11-10 Shan-Gui Zhou , Jie Meng , P. Ring

The effects of core polarization and tensor coupling on the magnetic moments in $^{13}_\Lambda$C, $^{17}_\Lambda$O, and $^{41}_\Lambda$Ca $\Lambda$-hypernuclei are studied in the Dirac equation with scalar, vector and tensor potentials. It…

Nuclear Theory · Physics 2008-11-26 J. M. Yao , H. F. Lu , G. Hillhouse , J. Meng

We studied the effect of nuclear-quadrupole interactions on the field-free impulsive alignment of different asymmetric-top molecules. Our analysis is focused on the influence of the hyperfine- and rotational-energy-level structures. These…

Atomic Physics · Physics 2024-08-05 Linda V. Thesing , Andrey Yachmenev , Rosario González-Férez , Jochen Küpper

We study the properties of the Cabibbo suppressed quasielastic production of $\Lambda$ and $\Sigma$ hyperons in antineutrino interactions with nuclei, including the effects of modified form factor axial mass, the second class current and…

High Energy Physics - Phenomenology · Physics 2021-10-04 C. Thorpe , J. Nowak , K. Niewczas , J. T. Sobczyk , C. Juszczak

The quasielastic weak production of $\Lambda$ and $\Sigma$ hyperons from nucleons and nuclei induced by antineutrinos is studied in the energy region of some ongoing neutrino oscillation experiments in the intermediate energy region. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. K. Singh , M. J. Vicente Vacas

The main progress in the field of nucleon-nucleon (NN) potentials, which we have seen in recent years, is the construction of some very quantitative (high-quality/high-precision) NN potentials. These potentials will serve as excellent input…

Nuclear Theory · Physics 2007-05-23 R. Machleidt

In recent years, several experiments using magnetic spectrometers provided high precision results in the field of Hypernuclear Physics. In particular, the accurate determination of the Lambda-binding energy, B(Lambda), contributed to…

Nuclear Experiment · Physics 2017-04-05 E. Botta , T. Bressani , A. Feliciello

The focus of these Lectures is on the weak decay modes of hypernuclei, with special attention to Lambda-hypernuclei. The subject involves many fields of modern theoretical and experimental physics, from nuclear structure to the fundamental…

Nuclear Theory · Physics 2007-05-23 W. M. Alberico , G. Garbarino

Neutron dripline calculations for both magnesium nuclei and magnesium + $\Lambda$ hypernuclei have been carried out in a microscopic framework using a chiral effective model. The results are compared with two other relativistic mean field…

Nuclear Theory · Physics 2014-05-29 Torsten Schürhoff , Stefan Schramm , Chhanda Samanta

Using dispersion theory, the electromagnetic Sigma-to-Lambda transition form factors are expressed as the product of the pion electromagnetic form factor and the $\Sigma\bar{\Lambda}\to\pi\pi$ scattering amplitudes with the latter estimated…

High Energy Physics - Phenomenology · Physics 2023-04-05 Yong-Hui Lin , Hans-Werner Hammer , Ulf-G. Meißner

A previously introduced relativistic energy density functional, successfully applied to ordinary nuclei, is extended to hypernuclei. The density-dependent mean field and the spin-orbit potential are consistently calculated for a $\Lambda$…

Nuclear Theory · Physics 2008-11-26 P. Finelli , N. Kaiser , D. Vretenar , W. Weise

We systematically study the possibility of determining the spin of new particles after their discovery at the LHC. We concentrate on angular correlations in cascade decays. Motivated by constraints of electroweak precision tests and the…

High Energy Physics - Phenomenology · Physics 2010-10-27 Lian-Tao Wang , Itay Yavin
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