English
Related papers

Related papers: Charged K* Photoproduction in a Regge model

200 papers

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 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

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

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

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

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

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 the K* Lambda(1116) photoproduction off the proton target, employing the tree-level Born approximation within the effective Lagrangian approach. We take into account the kappa, K, and K* exchanges in the t channel in addition…

High Energy Physics - Phenomenology · Physics 2012-06-20 Seung-il Nam , Byung-Geel Yu

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…

High Energy Physics - Phenomenology · Physics 2022-02-08 Neng-Chang Wei , Yi-Ming Zhu , 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…

High Energy Physics - Phenomenology · Physics 2022-04-08 Neng-Chang Wei , Ai-Chao Wang , Fei Huang

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

Recent cross section data for the reaction gamma + p \to K^+ + Lambda are examined for evidence of scaling in both the low-t Regge domain and in the high \sqrt{s} and -t domain where constituent counting may apply. It is shown that the…

High Energy Physics - Phenomenology · Physics 2011-03-22 Reinhard A. Schumacher , Misak M. Sargsian

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…

High Energy Physics - Phenomenology · Physics 2026-04-01 Ai-Chao Wang , Neng-Chang Wei , Fei Huang

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

The most recent high-precision data on spin observables $\Sigma$, $T$, $P'$, $E$, $F$ and $H$ reported by the CLAS Collaboration together with the previous data on differential cross sections and spin-density-matrix elements reported by the…

High Energy Physics - Phenomenology · Physics 2019-12-25 N. C. Wei , F. Huang , K. Nakayama , D. M. Li

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

A Regge-plus-resonance (RPR) description of the p(\gamma,K)Y and p(e,e'K)Y processes (Y = \Lambda, \Sigma^{0,+}) is presented. The proposed reaction amplitude consists of Regge-trajectory exchanges in the t channel, supplemented with a…

Nuclear Theory · Physics 2007-05-23 T. Corthals , T. Van Cauteren , J. Ryckebusch , D. G. Ireland

We investigate the Lambda(1520,3/2^-)=Lambda* photoproduction off the proton target with the Regge contributions to go beyond the resonance region, in addition to the tree-level Born terms consisting of the s, t, and u channels, and contact…

High Energy Physics - Phenomenology · Physics 2014-11-20 Sueng-il Nam , Chung-Wen Kao

We investigate the reaction mechanism of strangeness production in $K^- p \to \phi \Lambda$ within a hybrid Regge approach, taking into account $t$-channel $K$- and $K^*$-Reggeon exchanges. We present results for the total cross section,…

High Energy Physics - Phenomenology · Physics 2026-02-03 Sang-Ho 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
‹ Prev 1 2 3 10 Next ›