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Related papers: Lambda(1520) photoproduciton off the proton target…

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We investigate the charged pion photoproduction off the proton target with the Delta(1232) baryon in the final state, i.e. gamma p -> pi^- Delta^++(1232) and gamma p -> pi^+ Delta^0(1232), based on the effective Lagrangian method, beyond…

High Energy Physics - Phenomenology · Physics 2011-09-02 Seung-il Nam , Byung-Geel Yu

We investigate the reaction mechanism of $K^0 \Lambda$ photoproduction off the neutron target, i.e., $\gamma n \to K^0 \Lambda$, in the range of $W\approx 1.6-2.2$ GeV. We employ an effective Lagrangian method at the tree-level Born…

High Energy Physics - Phenomenology · Physics 2020-01-08 Sang-Ho Kim , Hyun-Chul Kim

Photoproduction of $ K\Sigma^{*}(1385)$ on the nucleon is investigated within the Regge framework and the reaction mechanism is analyzed based on the data existing in the channels $\gamma p\to K^+\Sigma^{*0}$ and $\gamma n\to…

Nuclear Theory · Physics 2017-06-28 Byung-Geel Yu , Kook-Jin Kong

In this presentation, we report our recent studies on the $K^*\Lambda(1116)$ photoproduction off the proton target, using the tree-level Born approximation, via the effective Lagrangian approach. In addition, we include the nine (three- or…

High Energy Physics - Phenomenology · Physics 2015-05-27 Sang-Ho Kim , Seung-il Nam , Yongseok Oh , Hyun-Chul Kim

We report the measurement of the $\gamma p \rightarrow K^{+}\Lambda$ and $\gamma p \rightarrow K^{+}\Sigma^{0}$ reactions at SPring-8. The differential cross sections and photon-beam asymmetries are measured at forward $K^{+}$ production…

The $\gamma p \to K^+ \Lambda(1520)$ reaction mechanism is investigated within a Regge--effective Lagrangian hybrid approach based on our previous study of this reaction [Physical Review C89, 015203 (2014)]. Near threshold and for large…

Nuclear Theory · Physics 2014-05-14 En Wang , Ju-Jun Xie , Juan Nieves

The interaction mechanism of the $\Sigma$(1385) photoproduction from proton is investigated within a Regge-plus-resonance approach based on the experimental data released by CLAS Collaboration recently. The t-channel and u-channel…

Nuclear Theory · Physics 2014-06-26 Jun He

The photoproduction of $f_1(1285)$ meson off proton is investigated within an effective Lagrangian approach. The $t$-channel $\rho$- and $\omega$-exchange diagrams, $u$-channel nucleon-exchange diagram, generalized contact term, and…

High Energy Physics - Phenomenology · Physics 2024-04-08 Ai-Chao Wang , Neng-Chang Wei , Fei Huang

An effective-Lagrangian framework for K Sigma photoproduction from the proton is presented. The proposed model is applicable at forward kaon angles and photon lab energies from threshold up to 16 GeV. The high-energy part of the…

Nuclear Theory · Physics 2008-11-26 T. Corthals , D. G. Ireland , T. Van Cauteren , J. Ryckebusch

Backward photoproduction of $\omega$ off a proton target is investigated in a Reggeized model where the $u$-channel nucleon Reggeon is constructed from the nucleon Born terms in a gauge invariant way. The $t$-channel meson exchanges are…

High Energy Physics - Phenomenology · Physics 2020-06-26 Byung-Geel Yu , Kook-Jin Kong

In this work, the photoproduction of $a_{2}(1320)$ off a proton target is investigated within an effective Lagrangian approach and the Regge model. The theoretical result indicates that the shapes of {the} total and differential cross…

High Energy Physics - Phenomenology · Physics 2016-04-20 Xiao-Yun Wang , Alexey Guskov

Differential cross sections for $\gamma p \to K^+\Lambda(1405)$ and $\gamma p \to K^+\Sigma^0(1385)$ reactions have been measured in the photon energy range from 1.5 to 2.4 GeV and the angular range of $0.8<\cos(\Theta)<1.0$ for the $K^+$…

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 investigate kaon photoproduction off the neutron target, i.e., $\gamma n \to K^0 \Lambda$, focusing on the role of nucleon resonances given in the Review of Particle Data Group in the range of $\sqrt{s} \approx 1600 - 2200$ MeV. We…

High Energy Physics - Phenomenology · Physics 2018-10-17 Sang-Ho Kim , Hyun-Chul Kim

We present the results of a Bayesian analysis of a Regge model for K+ Lambda photoproduction. The model is based on the exchange of K+(494) and K*+(892) trajectories in the t-channel. For different prior widths, we find decisive Bayesian…

Nuclear Theory · Physics 2011-03-11 L. De Cruz , D. G. Ireland , P. Vancraeyveld , J. Ryckebusch

Using the Quark-Gluon Strings Model -- combined with Regge phenomenology -- we perform a comparative analysis of $\Lambda$, $\Sigma^0$, $\Lambda(1520)$ and $\Theta^+$ production in binary reactions induced by photon, pion and proton beams…

Nuclear Theory · Physics 2020-05-20 V. Yu. Grishina , L. A. Kondratyuk , W. Cassing , M. Mirazita , P. Rossi

We investigate $\gamma p \to K^{*+} \Lambda$ reaction within a Regge approach. For the gauge invariance of the scattering amplitude, we reggeize the s-channel and contact term amplitudes as well as the $t$-channel amplitude. We obtain the…

High Energy Physics - Phenomenology · Physics 2014-11-20 S. Ozaki , H. Nagahiro , A. Hosaka

We present predictions for n(gamma,K+)Sigma- differential cross sections and photon-beam asymmetries and compare them to recent LEPS data. We adapt a Regge-plus-resonance (RPR) model developed to describe photoinduced and electroinduced…

Nuclear Theory · Physics 2009-11-05 P. Vancraeyveld , L. De Cruz , J. Ryckebusch , T. Van Cauteren

Photoproduction of $\Lambda$(1520) with liquid hydrogen and deuterium targets was examined at photon energies below 2.4 GeV in the SPring-8 LEPS experiment. For the first time, the differential cross sections were measured at low energies…

We investigate the photoproduction of Lambda(1520,3/2^-) via the gamma N -> K Lambda^* reaction using the Born approximation and the Rariata-Schwinger vector-spinor field for the spin 3/2 particle. We reproduce the experimental data of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Seung-Il Nam , Atsushi Hosaka , Hyun-Chul Kim