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Related papers: Photoproduction of $K^{+}\Lambda$ with a Regge-plu…

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Exploiting the isobar model, kaon photo- and electroproduction on the proton in the resonance region comes under scrutiny. An upgrade of our previous model, comprising higher-spin nucleon and hyperon exchanges in the consistent formalism,…

Nuclear Theory · Physics 2018-03-02 D. Skoupil , P. Bydžovský

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

We present a Regge-inspired effective-Lagrangian framework for charged-kaon photoproduction from the deuteron. Quasi-free kaon production is investigated using the Regge-plus-resonance elementary operator within the non-relativistic…

Nuclear Theory · Physics 2014-11-20 Pieter Vancraeyveld , Lesley De Cruz , Jan Ryckebusch , Tim Van Cauteren

The Regge-plus-resonance (RPR) framework for kaon photoproduction on the proton and the neutron is an economical single-channel model with very few parameters. Not only does the RPR model allow one to extract resonance information from the…

Nuclear Theory · Physics 2012-07-13 J. Ryckebusch , L. De Cruz , P. Vancraeyveld , T. Vrancx

We address the issue of unbiased model selection and propose a methodology based on Bayesian inference to extract physical information from kaon photoproduction $p(\gamma,K^+)\Lambda$ data. We use the single-channel Regge-plus-resonance…

Nuclear Theory · Physics 2012-08-01 Lesley De Cruz , Jan Ryckebusch , Tom Vrancx , Pieter Vancraeyveld

We present a Regge-inspired effective-Lagrangian framework for neutral-kaon photoproduction from the deuteron. Quasi-free kaon production is investigated using the Regge-plus-resonance elementary operator within the relativistic plane-wave…

Nuclear Theory · Physics 2011-10-28 Pieter Vancraeyveld , Lesley De Cruz , Jan Ryckebusch

We present an effective-Lagrangian description for forward-angle K+ Lambda photoproduction from the proton, valid for photon lab energies from threshold up to 16 GeV. The high-energy part of the amplitude is modeled in terms of t-channel…

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

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

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

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 utilise an isobar model to investigate the $K^+ \Sigma^-$ photoproduction off a neutron in the resonance region. Except for the Born terms, we include high-spin (spin-3/2 and spin-5/2) nucleon resonances in the consistent formalism…

We present a Regge-inspired effective-Lagrangian framework for kaon photoproduction from the deuteron. Quasi-free kaon production is investigated using the Regge-plus-resonance (RPR) elementary operator within the relativistic plane-wave…

Nuclear Theory · Physics 2012-12-04 Pieter Vancraeyveld , Lesley De Cruz , Jan Ryckebusch , Tom Vrancx

New kaon photoproduction data on a proton, gamma + p --> K+ + Lambda, are analyzed using a multipole approach. The background terms are given in terms of gauge invariant, crossing symmetric, Born diagrams with hadronic form factors, while…

Nuclear Theory · Physics 2017-08-23 T. Mart , A. Sulaksono , C. Bennhold

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

We present a Regge-plus-resonance (RPR) description of the p(e,e'K^+)Y processes (Y=\Lambda,\Sigma^0) in the resonance region. The background contributions to the RPR amplitude are constrained by the high-energy p(\gamma, K^+)Y data. As a…

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

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

Kaon photoproduction on the proton is studied in the resonance region using an isobar model. The higher-spin nucleon (3/2 and 5/2) and hyperon (3/2) resonances were included in the model utilizing the consistent formalism by Pascalutsa and…

Nuclear Theory · Physics 2016-02-23 Dalibor Skoupil , Petr Bydzovsky

Based on the high precision experimental data released by the CLAS Collaboration recently, the interaction mechanism of the photoproduction of $\Lambda$(1520) off a proton target is investigated within a Regge-plus-resonance approach. With…

Nuclear Theory · Physics 2014-05-07 Jun He

We study the photoproduction of the ^12{_Lambda}B hypernucleus within a fully covariant effective Lagrangian based model, employing Lambda bound state spinors derived from the latest quark-meson coupling model. The kaon production vertex is…

Nuclear Theory · Physics 2010-10-27 R. Shyam , K. Tsushima , A. W. Thomas

The new experimental data of kaon photoproduction on the nucleon, gamma p -> K+ Lambda, have been analyzed by means of a multipoles model. Different from the previous models, in this analysis the resonance decay widths are constrained to…

Nuclear Theory · Physics 2009-05-29 R. Nelson , T. Mart
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