English
Related papers

Related papers: Bayesian Model Selection for Electromagnetic Kaon …

200 papers

The exclusive reactions $\gamma p \to K^{*0} \Sigma^+(1189)$ and $\gamma p \to K^{0} \pi^{0}\Sigma^+(1189)$, leading to the p 4$\pi^{0}$ final state, have been measured with a tagged photon beam for incident energies from threshold up to…

Nuclear Experiment · Physics 2012-08-27 TAPS Collaboration , M. Nanova

We study the non-resonant (non-$\phi$) production of $K^+K^-$ pairs by protons of 2.83 GeV kinetic energy on C, Cu, Ag, and Au targets within the collision model, based on the nuclear spectral function, for incoherent primary…

Nuclear Theory · Physics 2015-05-11 E. Ya. Paryev , M. Hartmann , Yu. T. Kiselev

A coupled-channel effective Lagrangian model respecting unitary and gauge invariance is applied to the combined analysis of the $(\pi,\gamma) N \to K\Sigma$ reactions for the center of mass energies up to 2 GeV. The recent photoproduction…

Nuclear Theory · Physics 2013-11-20 Xu Cao , V. Shklyar , H. Lenske

The measurement of $K^*(892)^0$ resonance production via its $K^+ \pi^-$ decay mode in inelastic p+p collisions at beam momenta 40--158 GeV/c ($\sqrt{s_{NN}}$=8.8--17.3 GeV) is presented. The data were recorded by the NA61/SHINE hadron…

High Energy Physics - Experiment · Physics 2019-11-06 Angelika Tefelska

In this work, inspired by the observation of charmoniumlike $Z_{c}^{+}(4200)$% , we study the photoproduction of charged charmoniumlike $Z_{c}^{+}(4200)$ with an effective Lagrangian approach and the Regge trajectories model. The numerical…

High Energy Physics - Phenomenology · Physics 2015-11-18 Xiao-Yun Wang , Xu-Rong chen , Alexey Guskov

A unitary coupled-channel effective Lagrangian model is applied to the combined analysis of the $(\pi,\gamma) N \to K\Lambda$ reactions in the energy region up to 2 GeV. To constrain the resonance couplings to the $K\Lambda$ final state the…

Nuclear Theory · Physics 2008-11-26 V. Shklyar , H. Lenske , U. Mosel

We investigate K*{\Lambda}(1116) photoproduction off the proton and neutron targets in the effective Lagrangian method in the tree-level Born approximation. In addition to the K, K*, and {\kappa} exchanges which are the main contributions…

High Energy Physics - Phenomenology · Physics 2015-06-03 Sang-Ho Kim , Seung-il Nam , Yongseok Oh , Hyun-Chul Kim

The processes of exclusive photo- and electroproduction of vector mesons $\rho^0$(770), $\phi$(1020) and $J/\psi$(3096) at collision energies $30 GeV<W<300 GeV$ and transferred momenta squared $0<-t<2 GeV^2$ are considered in the framework…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. A. Godizov , V. A. Petrov

We investigate $\eta$ photoproduction off the neutron target, i.e., $\gamma n \to \eta n$, employing an effective Lagrangian method combining with a Regge approach. As a background, we consider nucleon exchange in the $s$-channel diagram…

High Energy Physics - Phenomenology · Physics 2019-04-17 Jung-Min Suh , Sang-Ho Kim , Hyun-Chul Kim

We have measured pi+pi- and K+K- production in two-photon collisions using 87.7 /fb of data collected with the Belle detector at the asymmetric energy e+e- collider KEKB. The cross sections are measured to high precision in the two-photon…

High Energy Physics - Experiment · Physics 2019-08-14 H. Nakazawa

The electroproduction of kaon on proton has been studied using two covariant isobar models. The models incorporate propagators and vertex factors developed in our previous works. In total, the current study includes 26 nucleon resonances…

High Energy Physics - Phenomenology · Physics 2025-07-11 Jovan Alfian Djaja , Terry Mart

Total and differential cross sections from literature, on the production of K+ mesons in pA interactions at projectile energies between T=0.8 and 2.9 GeV, covering the transition across the free nucleon-nucleon threshold at 1.58 GeV, have…

Nuclear Experiment · Physics 2009-11-07 M. Buescher , B. L. Ioffe , V. Koptev , M. Nekipelov , A. Sibirtsev , K. Sistemich , J. Speth , H. Stroeher

We study ${\Lambda}K^+$ pair production in the interaction of protons of 2.83 GeV kinetic energy with C, Cu, Ag, and Au target nuclei in the framework of the nuclear spectral function approach for incoherent primary proton--nucleon and…

Nuclear Theory · Physics 2017-11-23 E. Ya. Paryev , M. Hartmann , Yu. T. Kiselev

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

The production and the propagation of K+ and of K- mesons in heavy-ion collisions at beam energies of 1 to 2 AGeV have systematically been investigated with the Kaon Spectrometer KaoS at the SIS at the GSI. The ratio of the K+ production…

Nuclear Experiment · Physics 2009-11-10 A. Foerster

We estimate the coupling of the K* vector meson to the N-->Theta+ transition employing unitary symmetry, vector meson dominance, and results from the GRAAL Collaboration for eta photoproduction off the neutron. Our small numerical value for…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ya. Azimov , V. Kuznetsov , M. V. Polyakov , I. Strakovsky

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

We present a Regge model for pion photoproduction which is basically free of parameters within the framework of the s-channel helicity amplitude. We use coupling constants of all exchanged mesons determined from empirical decay widths or…

Nuclear Theory · Physics 2023-11-21 Byung Geel Yu , Tae Keun Choi , W. Kim

We report here differential cross sections for the reaction $\gamma p \to K^{*0}\Sigma^+$ for the first time with high statistics. The measurements were done using the CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab. Data were…

Nuclear Experiment · Physics 2017-08-23 I. Hleiqawi , K. Hicks

Neutral kaon photoproduction off the nucleon and deuteron has been reinvestigated by utilizing the new experimental data on both targets. An isobar model for elementary operator and impulse approximation for the reaction on the deuteron…

Nuclear Theory · Physics 2013-02-27 A. Salam , T. Mart , K. Miyagawa