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Related papers: Hypernuclear production by ($\gamma, K^+$) reactio…

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We discuss W and Z production through the deep inelastic neutrino-nucleon scattering in the context of the standard model SU(3)x SU(2)x U(1) of the strong and electroweak interactions. We find the cross section rates for the process…

High Energy Physics - Phenomenology · Physics 2010-11-05 R. M. Garcia-Hidalgo , A. Rosado

The excitation functions of $K^+$ and $K^-$ mesons in heavy ion collisions are studied within a statistical model assuming chemical and thermal equilibrium with exact strangeness conservation. At low incident energies the associate…

Nuclear Theory · Physics 2009-11-06 J. Cleymans , H. Oeschler , K. Redlich

Even though lots of $\Lambda$-hypernuclei have been found and measured, multi-strangeness hypernuclei consisting of $\Omega$ are not yet discovered. The studies of multi-strangeness hypernuclei help us further understand the interaction…

High Energy Physics - Phenomenology · Physics 2022-05-10 Liang Zhang , Song Zhang , Yu-Gang Ma

We investigate photoproduction of eta mesons off protons and neutrons within a coupled-channels effective-Lagrangian method which is based on the K-matrix approach. The two-body final channels included are pi-N, eta-N, phi-N, rho-N,…

Nuclear Theory · Physics 2009-09-09 R. Shyam , O. Scholten

The quantum molecular dynamics model has been improved to investigate the reaction dynamics induced by antiprotons. The reaction channels of elastic scattering, annihilation, charge exchange and inelastic collisions have been included in…

Nuclear Theory · Physics 2015-06-19 Zhao-Qing Feng , Horst Lenske

The energy-dependent hotspot model is used to predict cross sections for vector-meson diffractive photo-nuclear production off oxygen ($\gamma$O) and neon ($\gamma$Ne) that can be extracted from ultra-peripheral O--O and Ne--Ne collisions,…

High Energy Physics - Phenomenology · Physics 2026-04-15 J. Cepila , J. G. Contreras , M. Matas , A. Ridzikova

The production of strangeness on the nucleon and hyperon and hypernuclear production in heavy ion collisions at relativistic energies and in antiproton annihilation on nuclei is discussed. The reaction process is described by transport…

Nuclear Theory · Physics 2017-08-02 Horst Lenske , Xu Cao , Madhumita Dhar , Theodoros Gaitanos , Radhey Shyam

The weak kaon production off the nucleon induced by neutrinos is studied at the low and intermediate energies of interest for some ongoing and future neutrino oscillation experiments. This process is also potentially important for the…

High Energy Physics - Phenomenology · Physics 2014-11-20 M. Rafi Alam , I. Ruiz Simo , M. Sajjad Athar , M. J. Vicente Vacas

Based on the hadronic model with the gauge prescription suggested by Ohta and Haberzettl, we investigate the possibility of determining the parity state of the $\Theta^+$ baryon using photon induced processes, $\gamma n\to K^- \Theta^+$ and…

Nuclear Theory · Physics 2011-07-19 Byung Geel Yu , Tae Keun Choi , Chueng-Ryong Ji

The photoproduction of $K^*$ vector mesons is investigated in a quark model with an effective Lagrangian. Including both baryon resonance excitations and {\it t}-channel exchanges, observables for the reactions $\gamma p\to K^{*0}\Sigma^+$…

Nuclear Theory · Physics 2009-11-07 Q. Zhao , J. S. Al-Khalili , C. Bennhold

Recent results for the photoproduction of mesons off nuclei are reviewed. These experiments have been performed for two major lines of research related to the properties of the strong interaction. The investigation of nucleon resonances…

Nuclear Experiment · Physics 2011-10-04 B. Krusche

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

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

The search for missing nucleon resonances using coupled channel analysis has mostly been concentrated on $N\pi$ and $KY$ channels, while the contributions of $K^*Y$ and $KY^*$ channels have not been investigated thoroughly mostly due to the…

High Energy Physics - Experiment · Physics 2019-08-14 L. Guo , D. P. Weygand

Kaon production cross sections in nucleon-nucleon, nucleon-delta and delta-delta interactions are studied in a boson exchange model. For the latter two interactions, the exchanged pion can be on-mass shell, only contributions due to a…

Nuclear Theory · Physics 2008-11-26 G. Q. Li , C. M. Ko , W. S. Chung

A dynamical coupled-channel formalism for processes $\pi N \to KY$ and $\gamma N \to KY$ is presented which provides a comprehensive investigation of recent data on the $\gamma p \to K^+ \Lambda$ reaction. The non-resonant interactions…

Nuclear Theory · Physics 2009-11-11 B. Julia-Diaz , B. Saghai , T. -S. H. Lee , F. Tabakin

Within an effective Lagrangian model, we present calculations for cross sections of the dilepton production in proton-proton and proton-neutron collisions at laboratory kinetic energies in 1-5 GeV range. Production amplitudes include…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. Shyam , U. Mosel

In this work, an improved quark model approach to the $\omega$ meson photoproduction with an effective Lagrangian is reported. The {\it t}-channel {\it natural} parity exchange is consistently taken into account through the Pomeron…

Nuclear Theory · Physics 2009-10-31 Q. Zhao

We investigate the pp --> pp eta and pn --> pn eta reactions within an effective Lagrangian model for laboratory kinetic energies ranging from very close to eta meson production threshold to about 10 GeV. Production amplitudes include…

Nuclear Theory · Physics 2008-11-26 R. Shyam

High-energy nuclear collisions provide a unique environment for synthesizing both nuclei and antinuclei (such as $\bar{d}$ and $\overline{^4\text{He}}$) at temperatures ($k_BT\sim100$ MeV) nearly two orders of magnitude above their binding…

Nuclear Theory · Physics 2025-11-18 Li-Yuan Zhang , Che Ming Ko , Yu-Gang Ma , Qi-Ye Shou , Kai-Jia Sun , Rui Wang , Song Zhang