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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…

高能物理 - 唯象学 · 物理学 2020-04-22 Ai-Chao Wang , Wen-Ling Wang , Fei Huang

The photoproduction reaction of $\gamma p \to K^+\Lambda(1405)$ is investigated based on an effective Lagrangian approach at the tree-level approximation with the purpose of understanding the reaction mechanism and extracting the resonance…

高能物理 - 唯象学 · 物理学 2021-03-02 Yu Zhang , Fei Huang

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…

高能物理 - 唯象学 · 物理学 2022-02-22 Ai-Chao Wang , Neng-Chang Wei , Fei Huang

In this talk, we report the theoretical studies of baryon resonances for the gamma p ---> K*0 Sigma+ and gamma p ---> K*+ Sigma0 reaction processes by making use of the effective Lagrangian method in the tree-level Born approximation. The…

高能物理 - 唯象学 · 物理学 2015-06-17 Sang-Ho Kim , Atsushi Hosaka , Seung-il Nam , Hyun-Chul Kim

The most recent data on beam asymmetries, $\Sigma$, and beam-target asymmetries, $E$, from the CLAS Collaboration, together with the previous data on differential cross sections and beam asymmetries from the CLAS and LEPS Collaborations,…

高能物理 - 唯象学 · 物理学 2022-06-01 Neng-Chang Wei , Ai-Chao Wang , Fei Huang , Kanzo Nakayama

The data on differential cross sections and photon-beam asymmetries for the $\gamma p \to K^+\Lambda(1520)$ reaction have been analyzed within a tree-level effective Lagrangian approach. In addition to the $t$-channel $K$ and $K^\ast$…

高能物理 - 唯象学 · 物理学 2021-02-12 Neng-Chang Wei , Yu Zhang , Fei Huang , De-Min Li

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…

高能物理 - 唯象学 · 物理学 2025-03-21 Ai-Chao Wang , Neng-Chang Wei , Fei Huang

A gauge-invariant model is constructed for the $\gamma p \to K^+\Lambda(1690)$ reaction within a tree-level effective Lagrangian approach with the purpose to understand the underlying production mechanisms and to study the resonance…

高能物理 - 唯象学 · 物理学 2022-04-08 Neng-Chang Wei , Ai-Chao Wang , Fei Huang

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…

核理论 · 物理学 2020-07-10 Ai-Chao Wang , Fei Huang , Wen-Ling Wang , Guang-Xiong Peng

The $\gamma p \to K^+ \pi^0 \Lambda$ and $\gamma p \to K^+ \pi \Sigma $ reactions are studied in the kinematic region where the $\pi^0 \Lambda$(1116) and $\pi\Sigma$(1192) pairs originate dominantly from the decay of the $\Sigma$(1385) and…

核理论 · 物理学 2010-12-16 Madeleine Soyeur , Matthias F. M. Lutz

In our earlier work [Phys. Rev. C \textbf{98}, 045209 (2018)], we analyzed the differential cross-section data from the CLAS Collaboration for the reactions $\gamma p \to K^{*+}\Sigma^0$ and $\gamma p \to K^{*0} \Sigma^+$ using an effective…

高能物理 - 唯象学 · 物理学 2026-04-01 Ai-Chao Wang , Neng-Chang Wei , Fei Huang

The $p p \to n K^+ \Sigma^+(1385)$ reaction is a very good isospin $3/2$ filter for studying $\Delta^{++*}$ resonance decaying to $K^+\Sigma^+(1385)$. Within the effective Lagrangian method, we investigate the $\Sigma(1385)$ (spin-parity…

核理论 · 物理学 2014-11-20 Ju-Jun Xie , En Wang , Bing-Song Zou

In this talk, we report theoretical studies on the K*0 Sigma+(1190) photoproduction in the tree-level Born approximation, employing the effective Lagrangian method. We present the energy and angular dependences of the cross sections. It…

高能物理 - 唯象学 · 物理学 2015-06-11 Sang-Ho Kim , Seung-il Nam , Atsushi Hosaka , Hyun-Chul Kim

In our previous work [Phys. Rev. C 101, 014003 (2020)], the photoproduction reaction $\gamma p \to K^{\ast +} \Lambda$ has been investigated within an effective Lagrangian approach. There, the reaction amplitudes were constructed by…

高能物理 - 唯象学 · 物理学 2022-02-08 Neng-Chang Wei , Yi-Ming Zhu , Fei Huang

The high-precision cross-section data for the reaction $\gamma p \to K^{*+}\Lambda$ reported by the CLAS Collaboration at the Thomas Jefferson National Accelerator Facility have been analyzed based on an effective Lagrangian approach in the…

高能物理 - 唯象学 · 物理学 2017-09-27 A. C. Wang , W. L. Wang , F. Huang , H. Haberzettl , K. Nakayama

We investigate the photoproduction of K*0Sigma+ and K*+Sigma0 off the proton target, employing the effective Lagrangian approach at the tree-level Born approximation. In addition to the (s, t, u)-channel Born diagrams, we take into account…

高能物理 - 唯象学 · 物理学 2015-06-12 Sang-Ho Kim , Seung-il Nam , Atsushi Hosaka , Hyun-Chul Kim

Roles of the $\Delta (1232)$, ${N}^{*}(1520)$, and ${N}^{*}(1650)$ resonances in the $\gamma p\to{\pi }^{0}{\pi }^{0}p $ reaction near threshold is investigated within an effective Lagrangian approach. We have calculated the differential…

高能物理 - 唯象学 · 物理学 2025-01-28 Meng-Yuan Dai , Si-Wei Liu , Cheng Chen , De-Min Li , En Wang , Ju-Jun Xie

The $\gamma p \to K^+ \pi^0 \Lambda$ and $\gamma p \to K^+ \pi \Sigma $ reactions are studied in the kinematic region where the $\pi^0 \Lambda$(1116) and $\pi\Sigma$(1192) pairs originate dominantly from the decay of the $\Sigma$(1385) and…

核理论 · 物理学 2010-12-16 Matthias F. M. Lutz , Madeleine Soyeur

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…

核理论 · 物理学 2015-05-20 Yongseok Oh

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…

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