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Related papers: Kaon properties and cross sections in nuclear medi…

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The new experimental data of kaon photoproduction on the nucleon, gamma p -> K+ Lambda, have been analyzed by means of a multipoles model. Different from the previous models, in this analysis the resonance decay widths are constrained to…

Nuclear Theory · Physics 2009-05-29 R. Nelson , T. Mart

The possibility of kaon condensation in high-density symmetric nuclear matter is investigated including both s- and p-wave kaon-baryon interactions within the relativistic mean-field (RMF) theory. Above a certain density, we have a…

Nuclear Theory · Physics 2010-02-17 Tomoyuki Maruyama , Takumi Muto , Toshitaka Tatsumi , Kazuo Tsushima , Anthony W. Thomas

The production of K^+ mesons in pA (A = D, C, Cu, Ag, Au) collisions has been investigated at the COoler SYnchrotron COSY-J\"ulich for beam energies T_p = 1.0 - 2.3 GeV. Double differential inclusive pC cross sections at forward angles…

A self consistent scheme for constructing K^- nuclear optical potentials from subthreshold in-medium Kbar-N s-wave scattering amplitudes is presented and applied to analysis of kaonic atoms data and to calculations of K^- quasibound nuclear…

Nuclear Theory · Physics 2013-05-29 A. Cieplý , E. Friedman , A. Gal , D. Gazda , J. Mareš

The role of asymmetric nuclear medium on the properties of kaon is investigated at zero and finite temperature employing a hybrid approach integrating the light cone quark model (LCQM) and the chiral SU(3) quark mean field (CQMF) model. The…

High Energy Physics - Phenomenology · Physics 2024-10-29 Dhananjay Singh , Satyajit Puhan , Navpreet Kaur , Manpreet Kaur , Arvind Kumar , Suneel Dutt , Harleen Dahiya

A phenomenological model for the Kbar N --> K Xi reaction is suggested. The model includes s and u channel exchanges by Lambda, Sigma, Sigma(1385), and Lambda(1520) and s channel exchanges by above-threshold hyperonic resonances. Explicit…

Nuclear Theory · Physics 2011-10-20 D. A. Sharov , V. L. Korotkikh , D. E. Lanskoy

Total and reaction cross sections are derived self consistently from the attenuation cross sections measured in transmission experiments at the AGS for K^+ on Li^6, C, Si and Ca in the momentum range of 500-700 MeV/c by using a…

Nuclear Theory · Physics 2009-10-30 E. Friedman , A. Gal , J. Mares

A new chiral SU(3) Lagrangian is proposed to describe the properties of kaons and antikaons in the nuclear medium, the ground state of dense matter and the kaon-nuclear interactions consistently. The saturation properties of nuclear matter…

Nuclear Theory · Physics 2016-08-15 Guangjun Mao , P. Papazoglou , S. Hofmann , S. Schramm , H. Stöcker , W. Greiner

The particle production of Kaon and $\Lambda$ are studied in nucleus-nucleus collisions at relativistic energy based on a chemical equilibrium blast-wave model. The transverse momentum spectra of Kaon and $\Lambda$ at the kinetic freeze-out…

Nuclear Theory · Physics 2015-10-01 Song Zhang , Yu-Gang Ma , Jin-Hui Chen , Chen Zhong

Using a previously established effective Lagrangian model we describe anti-kaon induced reactions on the nucleon. The dominantly contributing channels in the cm-energy region from threshold up to 1.72 GeV are included (K N, \pi \Sigma, \pi…

Nuclear Theory · Physics 2011-07-19 M. Th. Keil , G. Penner , U. Mosel

As a first step toward developing a reaction model that enables a comprehensive description of neutrino-nucleon reactions in the nucleon resonance region, we have applied for the first time a dynamical coupled-channels model, which…

Nuclear Theory · Physics 2012-11-12 H. Kamano , S. X. Nakamura , T. -S. H. Lee , T. Sato

Kaon in-medium masses and mean-field potentials are calculated in isotopically symmetric pion matter to one loop of chiral perturbation theory. The results are extended to RHIC temperatures using experimental data on $\pi K$ scattering…

Nuclear Theory · Physics 2009-11-07 B. V. Martemyanov , Amand Faessler , C. Fuchs , M. I. Krivoruchenko

We study the properties of $\bar K^*$ mesons in nuclear matter using a unitary approach in coupled channels within the framework of the local hidden gauge formalism and incorporating the $\bar K \pi$ decay channel in matter. The in-medium…

Nuclear Theory · Physics 2010-11-09 L. Tolos , R. Molina , E. Oset , A. Ramos

The main features of nuclear reactions with participation of baryon resonances ($\Delta$(1232), S(1535) and $\Lambda$(1405)), which are interpreted as a manifestation of the bound states of nucleus and corresponding meson are discussed.

Nuclear Theory · Physics 2007-07-09 O. D. Dalkarov

The s-wave meson-nucleon interaction in the S=-1 sector is studied by means of a coupled-channel Lippmann Schwinger equation, using the lowest order chiral Lagrangian and a cut off to regularize the loop integrals. The position and width of…

Nuclear Theory · Physics 2007-05-23 A. Ramos , E. Oset

Three-body calculations of $K\bar{K}N$ system with quantum numbers $I=1/2$, $J^{\pi}=(\frac{1}{2})^{+}$ were performed. Using separable potentials for two-body interactions, we calculated the $\pi\Sigma$ mass spectra for the…

Nuclear Theory · Physics 2021-06-02 S. Marri , M. N. Nasrabadi , S. Z. Kalantari

Analyses of comprehensive sets of strong-interaction data consisting of level shifts, widths and yields in strange atoms of K mesons and Sigma hyperons are reviewed. The introduction of density dependent optical potentials, in both cases,…

Nuclear Theory · Physics 2008-07-16 E. Friedman , A. Gal

There exist model calculations showing the modification of the hadronic parameters of $\rho$ meson in the nuclear environment. From these parameters, we extract the $\rho$ meson nucleus optical potential and show the medium effect due to…

Nuclear Theory · Physics 2015-05-20 Swapan Das

The reactions gamma p -> K+ Lambda and gamma p -> K* Lambda are analyzed within perturbative QCD, allowing for diquarks as quasi-elementary constituents of baryons. The diquark-model parameters and the quark-diquark distribution amplitudes…

High Energy Physics - Phenomenology · Physics 2009-10-28 P. Kroll , M. Schuermann , K. Passek , W. Schweiger

We investigate the different contributions to the in-plane flow of K+ mesons observed recently by the FOPI collaboration in the reaction Ni(1.93 AGeV)+Ni. Due to the kinematics of the three body phase space decay the flow of kaons produced…

Nuclear Theory · Physics 2008-11-26 C. David , C. Hartnack , J. Aichelin
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