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Related papers: Experiments with $\Xi^-$ atoms

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Theoretical study on hypernuclear systems is important to know the nature of hyperon-nucleon and hyperon-hyperon interaction as only hypernuclear systems give the scope of knowing these interactions. A hypernucleus, in addition to the…

Nuclear Theory · Physics 2024-11-05 Bhupali Sharma

The exchange of an axion-like particle between atomic electrons and the nucleus may induce electric dipole moments (EDMs) of atoms and molecules. This interaction is described by a parity- and time-reversal-invariance-violating potential…

Atomic Physics · Physics 2018-09-14 V. A. Dzuba , V. V. Flambaum , I. B. Samsonov , Y. V. Stadnik

The production and structure of Λ hypernuclei are investigated in field theoretical models. The production in coherent p+A reactions is investigated by means of a resonance model. Results of exploratory calculations for associated…

Nuclear Theory · Physics 2009-11-10 H. Lenske , C. Keil , R. Shyam

Within the covariant density functional theory of hypernuclear matter we build a series of equations of state for hypernuclear compact stars, by calibrating the coupling constants of the $\Xi$-hyperon to the experimental binding energy of…

High Energy Physics - Phenomenology · Physics 2020-02-25 M. Fortin , A. R. Raduta , S. Avancini , C. Providência

Although the rocket-based X-ray Quantum Calorimetry (XQC) experiment was designed for X-ray spectroscopy, the minimal shielding of its calorimeters, its low atmospheric overburden, and its low-threshold detectors make it among the most…

Astrophysics · Physics 2008-11-26 Adrienne L. Erickcek , Paul J. Steinhardt , Dan McCammon , Patrick C. McGuire

In the paper, we present a detailed discussion on the $\Xi_{cc}$ production at a fixed target experiment at the LHC (After@LHC). The doubly charmed baryon $\Xi_{cc}$ is produced via the channel, ${\rm Proton} + {\rm Proton}\to\Xi_{cc}+X$.…

High Energy Physics - Phenomenology · Physics 2014-04-10 Gu Chen , Xing-Gang Wu , Jia-Wei Zhang , Hua-Yong Han , Hai-Bing Fu

The photoproduction reaction $\gamma N \to K K \Xi$ is investigated based on a relativistic meson-exchange model of hadronic interactions. The production amplitude is calculated in the tree-level approximation from relevant effective…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Nakayama , Yongseok Oh , H. Haberzettl

We report preliminary results on the centrality dependence of the $\Xi^{-}$ and $\bar{\Xi}^{+}$ production at mid-rapidity in $\sqrt{s_{NN}}=130$ GeV Au+Au collisions from the STAR experiment. For the most central data the obtained yields…

Nuclear Experiment · Physics 2009-11-07 Javier Castillo

Dileptons represent a unique probe for nuclear matter under extreme conditions reached in heavy-ion collisions. They allow to study meson properties, like mass and decay width, at various density and temperature regimes. Present days models…

Nuclear Theory · Physics 2008-11-26 M. D. Cozma , C. Fuchs , E. Santini , A. Fässler

The quark cluster model studies concerning the H-dibaryon are reviewed. The covered topics are the H-dibaryon itself, the interaction between a nucleon and an H-dibaryon, and the one between two H-dibaryons. A related study on the…

Nuclear Theory · Physics 2008-11-26 Tsutomu Sakai , Kiyotaka Shimizu , Koichi Yazaki

Minimal walking technicolor models can provide a nontrivial solution for cosmological dark matter, if the lightest technibaryon is doubly charged. Technibaryon asymmetry generated in the early Universe is related to baryon asymmetry and it…

Astrophysics · Physics 2008-11-26 Maxim Yu. Khlopov , Chris Kouvaris

The article reviews the physics related to kaon and antikaon production in heavy ion reactions at intermediate energies. Chiral dynamics predicts substantial modifications of the kaon properties in a dense nuclear environment. The status of…

Nuclear Theory · Physics 2008-11-26 Christian Fuchs

The $K^-/K^+$ ratio produced in heavy-ion collisions at GSI energies is studied. The in-medium properties at finite temperature of the hadrons involved are included, paying a special attention to the in-medium properties of antikaons. Using…

Nuclear Theory · Physics 2009-11-10 Laura Tolós , Artur Polls , Angels Ramos , Jürgen Schaffner-Bielich

The strong interaction among hadrons has been measured in the past by scattering experiments. Although this technique has been extremely successful in providing information about the nucleon-nucleon and pion-nucleon interactions, when…

Nuclear Experiment · Physics 2021-09-28 L. Fabbietti , V. Mantovani Sarti , O. Vazquez Doce

The properties of $\Xi^-$ hypernuclei are studied systematically using a two-dimensional Skyrme-Hartree-Fock approach combined with three different $\Xi N$ Skyrme forces fitted to reproduce the existing data. We explore the impurity effect…

Nuclear Theory · Physics 2020-06-24 Yun Jin , Xian-Rong Zhou , Yi-Yuan Cheng , H. -J. Schulze

The use of radioactive beams opens a new frontier for fusion studies. The coupling to the continuum can be explored with very loosely bound nuclei. Experiments were performed with beams of nuclei at or near the proton and neutron drip-lines…

Nuclear Experiment · Physics 2009-11-11 J. F. Liang , C. Signorini

The antiproton-deuteron atoms are studied in models of various realistic, popular nucleon-antinucleon potentials. The small energy shifts and decay widths of the atoms, which stem from the short-ranged strong interactions between the…

Atomic Physics · Physics 2008-02-04 Y. Yan , K. Khosonthongkee , C. Kobdaj , P. Suebka

A highly effective approach to the search for hypothetical new interactions through isotope shift spectroscopy of hydrogen-like ions is presented. A weighted difference of the g factor and ground-state energy is shown to assist in the…

Atomic Physics · Physics 2022-02-04 Vincent Debierre , Christoph H. Keitel , Zoltan Harman

Using the Dirac-Brueckner-Hartree-Fock (DBHF) approach including the hyperon degrees of freedom, we investigate the properties of neutron-star matter. To handle the hyperons in matter, we first examine the importance of the space part of…

Nuclear Theory · Physics 2014-10-28 Tetsuya Katayama , Koichi Saito

Some odd characteristics are observed in the single particle distributions obtained from $ He + Li $ interactions at $ 4.5 AGeV/c $ momenta which are explained as the manifestation of a new mechanism of strangeness production via dibaryonic…

High Energy Physics - Phenomenology · Physics 2019-08-17 C. Besliu , V. Popa , L. Popa , V. Topor Pop