English
Related papers

Related papers: Differential cross sections for {\Lambda}(1520) us…

200 papers

The reaction $ep \to e'K^+\Lambda(1520)$ with $\Lambda(1520) \to p'K^-$ was studied at electron beam energies of 4.05, 4.25, and 4.46 GeV, using the CLAS detector at the Thomas Jefferson National Accelerator Facility. The cos$\theta_{K^+}$,…

High Energy Physics - Experiment · Physics 2010-04-06 S. P. Barrow

This paper reports on the most comprehensive data set obtained on differential and fully integrated cross sections for the process $e p \to e' p \pi^{+} \pi^{-} $. The data were collected with the CLAS detector at Jefferson Laboratory.…

Preliminary differential cross-sections and the $\rho^0_{MM'}$ spin density matrix elements (SDME) for the reaction $\gamma p \to \phi p$ for both charged- ($\phi \to K^+ K^-$) and neutral-mode ($\phi \to K^0_L K^0_S$) topologies obtained…

Nuclear Experiment · Physics 2015-05-27 Biplab Dey , Curtis A. Meyer

Differential cross sections for $\gamma p \to K^+\Lambda(1405)$ and $\gamma p \to K^+\Sigma^0(1385)$ reactions have been measured in the photon energy range from 1.5 to 2.4 GeV and the angular range of $0.8<\cos(\Theta)<1.0$ for the $K^+$…

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…

Nuclear Theory · Physics 2010-12-16 Madeleine Soyeur , Matthias F. M. Lutz

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

Angular distributions of differential cross sections from the latest CLAS data sets \cite{bradford}, for the reaction ${\gamma}+p {\to} K^{+} + {\Lambda}$ have been analyzed using associated Legendre polynomials. This analysis is based upon…

Nuclear Theory · Physics 2015-05-13 P. T. P. Hutauruk , D. G. Ireland , G. Rosner

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

A coupled-channel (CC) approach has been developed to investigate kaon photoproduction on the nucleon. In addition to direct K+ Lambda production, our CC approach accounts for strangeness production including K+ Lambda final state…

Nuclear Theory · Physics 2009-11-07 Wen-Tai Chiang , F. Tabakin , T. -S. H. Lee , B. Saghai

The exclusive reaction $\gamma p \to p \pi^+ \pi^-$ was studied in the photon energy range 3.0 - 3.8 GeV and momentum transfer range $0.4<-t<1.0$ GeV$^2$. Data were collected with the CLAS detector at the Thomas Jefferson National…

High Energy Physics - Experiment · Physics 2019-08-13 M. Battaglieri , R. De Vita , A. P. Szczepaniak

We have carried out a study of the $\gamma ~ p \rightarrow p K^{+} K^{*-} (K^{*-} \rightarrow K^{-} \pi^{0}) $, $ \gamma ~p \rightarrow p K^{+} K^{*-} ( K^{*-} \rightarrow \bar{K}^{0} \pi^{-} )$ and $ \gamma ~p \rightarrow K^{+} K^{-}p$…

High Energy Physics - Phenomenology · Physics 2024-10-07 Melahat. Bayar , Jing Song , L. R. Dai , Eulogio Oset

We adopt a novel formalism for the low-energy analysis of the $\gamma p \to K^{+}\pi\Sigma$ photoproduction reaction to calculate the $\pi\Sigma$ invariant mass distributions in the $\Lambda(1405)$ resonance region. The approach adheres to…

Nuclear Theory · Physics 2022-06-20 P. C. Bruns , A. Cieplý , M. Mai

Cross sections for the $\gamma p \to K^+ \Lambda$ have been measured at backward angles using linearly polarized photons in the range 1.50 to 2.37 GeV. In addition, the beam asymmetry for this reaction has been measured for the first time…

Nuclear Experiment · Physics 2019-08-13 K. Hicks , T. Mibe , M. Sumihama

We investigate the p(gamma,K+)Lambda and p(gamma,K+)Sigma^0 reactions within a coupled-channels effective-Lagrangian method which is based on the K-matrix approach. The two-body final channels included are pi-N, eta-N, phi-N, rho-N,…

High Energy Physics - Phenomenology · Physics 2010-04-06 R. Shyam , O. Scholten , H. Lenske

New results on the single-differential and fully-integrated cross sections for the process $\gamma_{v} p \rightarrow p' \pi^{+} \pi^{-}$ are presented. The experimental data were collected with the CLAS detector at Jefferson Laboratory.…

Photoproduction cross sections are reported for the reaction $\gamma p\to p\eta$ using energy-tagged photons and the CLAS spectrometer at Jefferson Laboratory. The $\eta$ mesons are detected in their dominant charged decay mode, $\eta\to…

Nuclear Experiment · Physics 2021-01-04 T. Hu , Z. Akbar , V. Crede , K. P. Adhikari , S. Adhikari , M. J. Amaryan , G. Angelini , G. Asryan , H. Atac , C. Ayerbe Gayoso , L. Barion , M. Battaglieri , I. Bedlinskiy , F. Benmokhtar , A. Bianconi , A. S. Biselli , F. Bossu , S. Boiarinov , W. J. Briscoe , W. K. Brooks , D. S. Carman , J. Carvajal , A. Celentano , P. Chatagnon , T. Chetry , G. Ciullo , L. Clark , B. A. Clary , P. L. Cole , M. Contalbrigo , R. Cruz-Torres , A. D'Angelo , N. Dashyan , R. De Vita , M. Defurne , A. Deur , S. Diehl , C. Djalali , M. Dugger , R. Dupre , H. Egiyan , M. Ehrhart , A. El Alaoui , L. El Fassi , P. Eugenio , G. Fedotov , R. Fersch , A. Filippi , G. Gavalian , G. P. Gilfoyle , F. X. Girod , D. I. Glazier , E. Golovatch , R. W. Gothe , K. A. Griffioen , M. Guidal , L. Guo , K. Hafidi , H. Hakobyan , C. Hanretty , N. Harrison , M. Hattawy , T. B. Hayward , D. Heddle , K. Hicks , A. Hobart , M. Holtrop , Y. Ilieva , I. Illari , D. G. Ireland , B. S. Ishkhanov , E. L. Isupov , D. Jenkins , H. S. Jo , K. Joo , S. Joosten , D. Keller , M. Khachatryan , A. Khanal , M. Khandaker , A. Kim , C. W. Kim , W. Kim , F. J. Klein , V. Kubarovsky , L. Lanza , M. Leali , P. Lenisa , K. Livingston , I. J. D. MacGregor , D. Marchand , N. Markov , V. Mascagna , M. E. McCracken , B. McKinnon , C. A. Meyer , Z. E. Meziani , T. Mineeva , V. Mokeev , A. Movsisyan , E. Munevar , C. Munoz Camacho , P. Nadel-Turonski , S. Niccolai , G. Niculescu , T. O'Connell , M. Osipenko , A. I. Ostrovidov , M. Paolone , L. L. Pappalardo , R. Paremuzyan , E. Pasyuk , W. Phelps , O. Pogorelko , J. Poudel , J. W. Price , Y. Prok , D. Protopopescu , B. A. Raue , M. Ripani , J. Ritman , A. Rizzo , G. Rosner , J. Rowley , F. Sabatie , C. Salgado , A. Schmidt , R. A. Schumacher , Y. G. Sharabian , U. Shrestha , Iu. Skorodumina , D. Sokhan , O. Soto , N. Sparveris , S. Stepanyan , P. Stoler , I. I. Strakovsky , S. Strauch , J. A. Tan , N. Tyler , M. Ungaro , L. Venturelli , H. Voskanyan , E. Voutier , D. P. Watts , K. Wei , X. Wei , M. H. Wood , N. Zachariou , J. Zhang , Z. W. Zhao

Role of the $\Lambda(1600)$ is studied in the $K^- p \to \Lambda \pi^0 \pi^0$ reaction by using the effective Lagrangian approach near the threshold. We perform a calculation for the total and differential cross sections by considering the…

High Energy Physics - Phenomenology · Physics 2020-04-09 He Zhou , Ju-Jun Xie

The $\Lambda(1520)$ resonance is generated dynamically in a unitary coupled channel framework with the $\pi\Sigma^*$ and $K\Xi^*$ channels in s-wave and $\pi\Sigma$ and $\bar K N$ channels in d-wave. The dynamics of this resonance close to…

Nuclear Theory · Physics 2011-02-09 Sourav Sarkar , L. Roca , E. Oset , V. K. Magas , M. J. Vicente Vacas

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