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Related papers: Photoproduction of $\gamma N\to K^+ \Sigma^*(1385)…

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Photoproduction of the $\Lambda^*(1520)$ resonance of spin-parity ${3\over2}^-$ off the proton target is investigated within the Regge framework where the $t$-channel reggeization is applied for the $K(494)+K^*(892)+K_2^*(1430)$ exchanges…

Nuclear Theory · Physics 2020-06-26 Byung-Geel Yu , Kook-Jin Kong

In our previous work [Phys. Rev. D $\bf{101}$, 074025 (2020)], the photoproduction $\gamma p \to K^+ \Sigma^0(1385)$ has been investigated within an effective Lagrangian approach. There, the reaction amplitudes were constructed by…

High Energy Physics - Phenomenology · Physics 2022-02-22 Ai-Chao Wang , Neng-Chang Wei , Fei Huang

The reactions of $K \Sigma(1385)$ photoproduction, i.e., $\gamma p \to K^+ \Sigma^0(1385)$ and $\gamma n \to K^+ \Sigma^-(1385)$, are investigated in the resonance energy region for studying the role of the nucleon and $\Delta$ resonances…

Nuclear Theory · Physics 2015-05-20 Yongseok Oh

The high-precision differential cross-section data for the reaction $\gamma p \to K^{*+}\Lambda$ are reanalyzed within a Regge-inspired effective Lagrangian approach. The model adopts Regge phenomenology to constrain the $t$-channel…

Nuclear Theory · Physics 2020-07-10 Ai-Chao Wang , Fei Huang , Wen-Ling Wang , Guang-Xiong Peng

Photoproduction of $K^*$ vector mesons off nucleon is investigated within the Regge framework where the electromagnetic vertex of $\gamma K^*K^*$ fully takes into account the magnetic dipole and electric quadrupole moments of spin-1 $K^*$…

High Energy Physics - Phenomenology · Physics 2017-05-24 Byung-Geel Yu , Yongseok Oh , Kook-Jin Kong

The photoproduction of $\gamma p \to K^+ \Sigma^0(1385)$ is investigated based on an effective Lagrangian approach using the tree-level Born approximation, with the purpose of understanding the reaction mechanisms and resonance contents and…

High Energy Physics - Phenomenology · Physics 2020-04-22 Ai-Chao Wang , Wen-Ling Wang , Fei Huang

Since the lowest $\Sigma^{*}$ state, with quantum numbers spin-parity $J^{P} =1/2^{-}$, is far from established experimentally and theoretically, we have performed a theoretical study on the $\Sigma^*_{1/2^-}$ photo-production within the…

High Energy Physics - Phenomenology · Physics 2023-04-26 Yun-He Lyu , Han Zhang , Neng-Chang Wei , Bai-Cian Ke , En Wang , Ju-Jun Xie

We present Regge-model predictions for the p(gamma,K+)Sigma0 and n(gamma,K+)Sigma- differential cross sections and photon-beam asymmetries in the resonance region. The reaction amplitude encompasses the exchange of K+(494) and K*+(892)…

Nuclear Theory · Physics 2010-01-15 Pieter Vancraeyveld , Lesley De Cruz , Jan Ryckebusch , Tim Van Cauteren

We investigate the mechanisms of strangeness production in the $\pi^- p \to K^{*0} \Sigma^0$ and $\pi^- p \to K^{*+} \Sigma^-$ reactions within a hybrid Regge framework in which effective Lagrangian vertices are combined with Reggeized…

High Energy Physics - Phenomenology · Physics 2026-04-02 Sang-Ho Kim

We study the photoproduction of $K^*(892)$ vector meson from both the charged and neutral reactions, $\gamma p \to K^{*+} \Lambda$ and $\gamma n \to K^{*0} \Lambda$. The production mechanisms that we consider include $t$-channel $K^*$, $K$,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yongseok Oh , Hungchong Kim

Based on recent experimental data obtained by the CLAS Collaboration, the $\Sigma(1385)$ photoproduction off a neutron target at laboratory photon energies $E_\gamma$ up to 2.5\,GeV is investigated in an effective Lagrangian approach…

Nuclear Theory · Physics 2016-04-26 Xiao-Yun Wang , Jun He , Helmut Haberzettl

We study the photoproduction of the $\Lambda(1405)$ and $\Sigma(1400)$ hyperon resonances, the latter of which is not a well established state. We evaluate the $s$-, $t$- and $u$-channel diagrams in the Born approximation by employing the…

High Energy Physics - Phenomenology · Physics 2021-06-30 Sang-Ho Kim , K. P. Khemchandani , A. Martinez Torres , Seung-il Nam , Atsushi Hosaka

Photo- and electroproduction of $K\Sigma$ have been investigated near their production thresholds by using an effective Lagrangian approach. For this purpose, the background amplitude is constructed from suitable Feynman diagrams, whereas…

Nuclear Theory · Physics 2015-06-23 T. Mart

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

The contribution of the tensor meson $K_2^*(1430)$ exchange in the process $\gamma p\to K^+\Lambda(\Sigma^0)$ is investigated within the Regge framework. Inclusion of the $K_2^*$ exchange in the $K(494)+K^*(892)$ exchanges with the coupling…

Nuclear Theory · Physics 2011-06-28 Byung Geel Yu , Tae Keun Choi , W. Kim

We estimate the reaction mechanisms for the photoproduction of the Theta^+(1540) resonance on the nucleon, through K and K^* Regge exchanges. We compare the size of the cross sections for the gamma n -> K^- Theta^+ and gamma p -> K^0 bar…

High Energy Physics - Phenomenology · Physics 2009-09-24 H. Kwee , M. Guidal , M. V. Polyakov , M. Vanderhaeghen

Making use of the hybrid Regge-plus-resonance model, we investigate the process of kaon photoproduction off the proton target. We present a new model whose free parameters were adjusted to data in and above the resonance region and which…

Nuclear Theory · Physics 2019-09-18 Petr Bydžovský , Dalibor Skoupil

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

A comprehensive analysis of all available data on cross sections and spin-dependent observables for the $\gamma p \to K^+ \Sigma^0(1385)$, $\gamma n \to K^+ \Sigma^-(1385)$, and $\pi^+ p \to K^+ \Sigma^+(1385)$ reactions is performed within…

High Energy Physics - Phenomenology · Physics 2025-03-21 Ai-Chao Wang , Neng-Chang Wei , Fei Huang

We present the results of a Bayesian analysis of a Regge model to describe the background contribution for K+ Lambda and K+ Sigma0 photoproduction. The model is based on the exchange of K+(494) and K*+(892) trajectories in the t-channel. We…

Nuclear Theory · Physics 2010-10-14 L. De Cruz , D. G. Ireland , P. Vancraeyveld , J. Ryckebusch
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