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Related papers: Re-analysis of the $\Lambda(1520)$ photoproduction…

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We investigate the $\Lambda(1520)$ photo-production in the $\vec{\gamma} p \to K^+ \Lambda(1520)$ reaction within the effective Lagrangian method near threshold. In addition to the "background" contributions from the contact, $t-$channel…

Nuclear Theory · Physics 2010-10-27 Ju-Jun Xie , J. Nieves

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 $K^\ast$…

High Energy Physics - Phenomenology · Physics 2021-02-12 Neng-Chang Wei , Yu Zhang , Fei Huang , De-Min Li

The associate $K\Lambda(1520)$ photon and hadronic production in the $\gamma p \to K^+\Lambda(1520)$, $p p \to p K^+ \Lambda(1520)$ and $\pi^- p \to K^0 \Lambda(1520)$ reactions are investigated within the effective Lagrangian approach and…

Nuclear Theory · Physics 2015-06-17 Ju-Jun Xie , En Wang , Bo-Chao Liu , J. Nieves

The reaction $\gamma p \rightarrow K^{+} \Lambda(1520)$ using photoproduction data from the CLAS $g12$ experiment at Jefferson Lab is studied. The decay of $\Lambda(1520)$ into two exclusive channels, $\Sigma^{+}\pi^{-}$ and…

High Energy Physics - Experiment · Physics 2021-03-03 U. Shrestha , T. Chetry , C. Djalali , K. Hicks , S. i. Nam , K. P. Adhikari , S. Adhikari , M. J. Amaryan , G. Angelini , H. Atac , L. Barion , M. Battaglieri , I. Bedlinskiy , F. Benmokhtar , A. Bianconi , A. S. Biselli , M. Bondi , F. Bossu , S. Boiarinov , W. J. Briscoe , W. K. Brooks , D. Bulumulla , V. D. Burkert , D. S. Carman , J. C. Carvajal , A. Celentano , P. Chatagnon , G. Ciullo , P. L. Cole , M. Contalbrigo , V. Crede , A. De Angelo , N. Dashyan , R. De Vita , M. Defurne , A. Deur , S. Diehl , M. Dugger , R. Dupre , H. Egiyan , M. Ehrhart , L. El Fassi , P. Eugenio , G. Fedotov , S. Fegan , A. Filippi , G. Gavalian , Y. Ghandilyan , G. P. Gilfoyle , F. X. Girod , D. I. Glazier , R. W. Gothe , K. A. Griffioen , M. Guidal , L. Guo , K. Hafidi , H. Hakobyan , M. Hattawy , T. B. Hayward , D. Heddle , M. Holtrop , Q. Huang , D. G. Ireland , E. L. Isupov , H. S. Jo , K. Joo , S. Joosten , D. Keller , A. Khanal , M. Khandaker , A. Kim , W. Kim , F. J. Klein , A. Kripko , V. Kubarovsky , L. Lanza , M. Leali , P. Lenisa , K. Livingston , I. J. D. MacGregor , D. Marchand , L. Marsicano , V. Mascagna , M. E. McCracken , B. McKinnon , V. Mokeev , A. Movsisyan , E. Munevar , C. Munoz Camacho , P. Nadel Turonski , 5 K. Neupane , S. Niccolai , G. Niculescu , T. O'Connell , M. Osipenko , A. I. Ostrovidov , L. L. Pappalardo , R. Paremuzyan , K. Park , E. Pasyuk , W. Phelps , N. Pivnyuk , O. Pogorelko , J. Poudel , Y. Prok , M. Ripani , J. Ritman , A. Rizzo , G. Rosner , J. Rowley , F. Sabatie , C. Salgado , A. Schmidt , R. A. Schumacher , Y. G. Sharabian , O. Soto , N. Sparveris , S. Stepanyan , I. I. Strakovsky , S. Strauch , N. Tyler , M. Ungaro , L. Venturelli , H. Voskanyan , E. Voutier , D. P. Watts , K. Wei , X. Wei , M. H. Wood , B. Yale , N. Zachariou , J. Zhang , Z. W. Zhao

We investigate the $\Lambda(1520)$ photoproduction in the $\vec{\gamma} p \to K^+ \Lambda(1520)$ reaction within the effective Lagrangian method near threshold. In addition to the "background" contributions from the contact, $t-$channel $K$…

Nuclear Theory · Physics 2015-05-28 Ju-Jun Xie , J. Nieves

We reinvestigate $K^*\Lambda(1116)$ photoproduction off the nucleon target, based on an effective Lagrangian approach. We include higher nucleon resonances such as $N(2000)\, 5/2^+$, $N(2060)\,5/2^-$, $N(2120)\,3/2^-$, and $N(2190)\,7/2^-$,…

High Energy Physics - Phenomenology · Physics 2015-06-18 Sang-Ho Kim , Atsushi Hosaka , Hyun-Chul Kim

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

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

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

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…

High Energy Physics - Phenomenology · Physics 2021-03-02 Yu Zhang , 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…

High Energy Physics - Phenomenology · Physics 2017-09-27 A. C. Wang , W. L. Wang , F. Huang , H. Haberzettl , K. Nakayama

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

We investigate the photoproduction of $\Lambda(1405)\equiv\Lambda^*$ hyperon resonance, i.e., $\gamma p\to K^+\Lambda^*$, employing the effective Lagrangian approach with the $t$-channel Regge trajectories at tree level. We extensively…

High Energy Physics - Phenomenology · Physics 2017-07-19 Sang-Ho Kim , Seung-il Nam , Daisuke Jido , 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…

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

Cross-sections and recoil polarizations for the reactions gamma + p --> K^+ + Lambda and gamma + p --> K^+ + Sigma^0 have been measured with high statistics and with good angular coverage for center-of-mass energies between 1.6 and 2.3 GeV.…

Nuclear Experiment · Physics 2019-08-14 J. W. C. McNabb , R. A. Schumacher , L. Todor

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

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

In our previous work [Phys. Rev. C {\bf 96}, 035206 (2017)], the high-precision differential cross-section data for $\gamma p \to K^{*+}\Lambda$ reported by the CLAS Collaboration has been analyzed within an effective Lagrangian approach.…

Nuclear Theory · Physics 2020-04-21 Neng-Chang Wei , Ai-Chao Wang , Fei Huang , De-Min Li

Recent studies within the framework of chiral unitary theory produce the $\Lambda (1520)$ resonance, among several others, as a dynamically generated resonance from the interaction of the baryon decuplet and the meson octet. The $\Lambda…

High Energy Physics - Phenomenology · Physics 2007-05-23 L. Roca , E. Oset , H. Toki

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
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