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Related papers: K^+ production in baryon-baryon and heavy-ion coll…

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In a one-pion plus one-kaon exchange model, we calculate the kaon production cross sections in nucleon-nucleon, nucleon-delta and delta-delta interactions. We find that this model describes reasonably well the experimental data on kaon…

Nuclear Theory · Physics 2015-06-26 G. Q. Li , C. M. Ko

Phi meson production in pion-baryon and baryon-baryon interactions near the production threshold is studied in a boson-exchange model. Parameters in this model are either taken from the Bonn model for the nucleon-nucleon potential or…

Nuclear Theory · Physics 2009-10-30 W. S. Chung , G. Q. Li , C. M. Ko

The cross sections for producing K$^-$ mesons in nucleon-hyperon elementary processes are estimated assuming one-pion exchange and using the experimentally known pion-hyperon cross sections. The results are implemented in a transport model…

Nuclear Theory · Physics 2009-11-10 H. W. Barz , L. Naumann

The BUU transport model is applied to study strangeness and pion production in nucleus-nucleus collisions. Starting from proton induced reactions, we further investigate Si+Au, Au+Au and Pb+Pb collisions in the energy range between 2 and 40…

Nuclear Theory · Physics 2011-01-25 M. Wagner , A. B. Larionov , U. Mosel

We investigate the production of pions in heavy-ion collisions in the energy range of $1$ - $2$ GeV/A. The dynamics of the nucleus-nucleus collisions is described by a set of coupled transport equations of the Boltzmann-Uehling-Uhlenbeck…

Nuclear Theory · Physics 2016-09-08 S. Teis , W. Cassing , M. Effenberger , A. Hombach , U. Mosel , Gy. Wolf

Motivated by the renewed interest in studying the pion production on nuclei with protons at few GeV incident energies, we investigate the pion production in proton-proton collisions over an energy range of 300 $MeV$ to 2 $GeV$. Starting…

Nuclear Theory · Physics 2009-10-30 A. Engel , A. K. Dutt-Mazumder , R. Shyam , U. Mosel

We investigate the exclusive proton-induced $K^+$ production near the kaon threshold. Compared are two models: a meson-exchange model, which includes $\pi$, \rho$, $K$ and $K^\ast$ exchange, together with the dominant baryon resonances, and…

Nuclear Theory · Physics 2011-03-17 Frieder Kleefeld , Fernando Pilotto , Manfred Dillig

The exclusive $K^+$ meson production in a proton-nucleus collision, leading to two body final states, is investigated in a fully covariant two-nucleon model based on the effective Lagrangian picture. The explicit kaon production vertex is…

Nuclear Theory · Physics 2009-11-10 R. Shyam , H. Lenske , U. Mosel

The antikaon production cross section from nucleon-nucleon reactions near threshold is studied in a meson exchange model. We include both pion and kaon exchange, but neglect the interference between the amplitudes. In case of pion exchange…

Nuclear Theory · Physics 2009-10-30 A. Sibirtsev , W. Cassing , C. M. Ko

Kaon production in pion-nucleon collisions in nuclear matter is studied in the resonance model. To evaluate the in-medium modification of the reaction amplitude as a function of the baryonic density we introduce relativistic, mean-field…

Nuclear Theory · Physics 2010-02-17 K. Tsushima , A. Sibirtsev , A. W. Thomas

Phi meson production in heavy-ion collisions at SIS/GSI energies ($\sim 2$ GeV/nucleon) is studied in the relativistic transport model. We include contributions from baryon-baryon, pion-baryon, and kaon-antikaon collisions. The cross…

Nuclear Theory · Physics 2009-10-30 W. S. Chung , G. Q. Li , C. M. Ko

Kaon production and kaon flow in heavy-ion collisions at SIS energies are analyzed using the relativistic transport model. The experimental data are found to be consistent with the scenario that kaon scalar (before being cut down by the…

Nuclear Theory · Physics 2009-09-25 G. E. Brown , C. M. Ko , G. Q. Li

High-p_T pion and kaon production is studied in relativistic proton-proton, proton-nucleus, and nucleus-nucleus collisions in a wide energy range. Cross sections are calculated based on perturbative QCD, augmented by a phenomenological…

High Energy Physics - Phenomenology · Physics 2008-11-26 Y. Zhang , G. Fai , G. Papp , G. G. Barnafoldi , P. Levai

The production of charged kaon pairs in ultraperipheral heavy-ion collisions can proceed via photoproduction (gamma-Pomeron interaction) or via photon-photon fusion. An important contribution to this process arises from the decays of…

High Energy Physics - Phenomenology · Physics 2025-11-03 Nikhil Krishna , Mariola Klusek-Gawenda , Antoni Szczurek

In this article the production of $K^+$ at energies close to the threshold is studied in detail. The production mechanisms, the influence of in-medium effects, cross sections, the nuclear equation of state and the dynamics of the nucleons…

Nuclear Theory · Physics 2007-05-23 Christoph Hartnack

Heavy meson production in nucleon-nucleon collisions is discussed within a meson exchange model of hadronic interactions, paying special attention to the basic dynamics that determine the behavior of the cross sections near the threshold…

Nuclear Theory · Physics 2007-05-23 K. Nakayama

The effect of possible in-medium modifications of nucleon-nucleon ($NN$) cross sections on particle production is investigated in heavy ion collisions ($HIC$) at intermediate energies. In particular, using a fully covariant relativistic…

Nuclear Theory · Physics 2008-11-26 V. Prassa , G. Ferini , T. Gaitanos , H. H. Wolter , G. A. Lalazissis , M. Di Toro

The energy dependence of the total kaon production cross sections in baryon baryon ($N$ and $\Delta$) collisions are studied in the resonance model, which is a relativistic, tree-level treatment. This study is the first attempt to complete…

Nuclear Theory · Physics 2014-11-18 K. Tsushima , A. Sibirtsev , A. W. Thomas , G. Q. Li

The production of mesons in nucleon-nucleon collisions is reviewed from the viewpoint of the meson-exchange picture. In the first part various possible production mechanisms and their relative importance are discussed. In addition, general…

Nuclear Theory · Physics 2010-12-13 C. Hanhart

Results for the energy dependence of the elementary kaon production cross sections in proton-proton collisions are reported. Calculations are performed within an extended version of the resonance model which was used for the previous…

Nuclear Theory · Physics 2010-02-17 K. Tsushima , A. Sibirtsev , A. W. Thomas
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