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We present an analysis of the Lambda(1405) resonance in p+p reactions at a kinetic beam energy of 3.5 GeV, measured by the High Acceptance Di-Electron Spectrometer (HADES). The resonance is reconstructed in the two charged decay channels…

Nuclear Experiment · Physics 2019-08-13 Johannes Siebenson , Laura Fabbietti , Alexander Schmah , Eliane Epple

The $\Sigma(1385)$ resonance, or $\Sigma^*$, is well-known as part of the standard baryon decuplet with spin $J=3/2$. Measurements of the reaction $\gamma p \to K^+ \Sigma^{*0}$ are difficult to extract due to overlap with the nearby…

Nuclear Experiment · Physics 2009-01-14 K. Hicks , D. Keller , H. Kohri , the LEPS Collaboration

We report here differential cross sections for the reaction $\gamma p \to K^{*0}\Sigma^+$ for the first time with high statistics. The measurements were done using the CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab. Data were…

Nuclear Experiment · Physics 2017-08-23 I. Hleiqawi , K. Hicks

The LEPS collaboration has recently reported a measurement of the reaction $\gamma n\to K^+\Sigma^{*-}(1385)$ with linearly polarized photon beam at resonance region. The observed beam asymmetry is sizably negative at $E_\gamma=1.8-2.4…

Nuclear Theory · Physics 2010-05-28 Puze Gao , Jia-Jun Wu , B. S. Zou

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

We investigate the $K^- p \to \gamma \Sigma$ reaction using an effective Lagrangian approach within an isobar model framework. The model includes contributions from $s$-channel hyperon and hyperon resonance, $t$-channel $K$ and $K^*$,…

High Energy Physics - Phenomenology · Physics 2025-11-18 Yi Pan , Bo-Chao Liu

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

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

The missing mass spectra for the $^{12}C(p, K^0_s)$ and $^{12}C(p,\Lambda)$ reactions have been studied by using of the propane bubble chamber(PBC) data from 700000 stereo photographs or $10^6$ inelastic interactions. The momentum spectrum…

High Energy Physics - Experiment · Physics 2012-02-07 P. Zh. Aslanyan

The cross sections for the reactions of the strange production p + p -> p + Lambda + K^+ and p + p -> p + Sigma^0 + K^+ near thresholds of the final states p Lambda K^+ and p Sigma^0 K^+ are calculated in the effective Lagrangian approach.…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Ya. Berdnikov , Ya. A. Berdnikov , A. N. Ivanov , V. F. Kosmach , M. D. Scadron , N. I. Troitskaya

We utilize existing inclusive data on K^+ meson momentum spectra of the reaction pp -> K^+X at T_p = 2.3 - 2.85 GeV to deduce total cross sections for pp -> K^+\Sigma^+n. The method used to extract those cross sections is explained and…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Sibirtsev , J. Haidenbauer , H. -W. Hammer , Ulf-G. Meißner

The exclusive reaction $\gamma p \to p K^+ K^-$ was studied in the photon energy range $3.0 - 3.8 \mbox{ GeV}$ and momentum transfer range $0.6<-t<1.3 \mbox{ GeV}^2$. Data were collected with the CLAS detector at the Thomas Jefferson…

The first measurements of the transferred polarization for the exclusive ep --> e'K+ Lambda reaction have been performed in Hall B at the Thomas Jefferson National Accelerator Facility using the CLAS spectrometer. A 2.567 GeV electron beam…

High Energy Physics - Experiment · Physics 2010-04-06 CLAS Collaboration , D. S. Carman

The process $\gamma \gamma \to p \bar{p} K^+ K^-$ and its intermediate processes are measured for the first time using a 980~fb$^{-1}$ data sample collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. The…

High Energy Physics - Experiment · Physics 2016-07-04 Belle Collaboration , C. P. Shen , C. Z. Yuan , I. Adachi , H. Aihara , D. M. Asner , V. Aulchenko , T. Aushev , R. Ayad , V. Babu , I. Badhrees , A. M. Bakich , E. Barberio , P. Behera , V. Bhardwaj , B. Bhuyan , J. Biswal , A. Bobrov , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , D. Červenkov , P. Chang , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , V. Chobanova , S. -K. Choi , Y. Choi , D. Cinabro , J. Dalseno , M. Danilov , N. Dash , Z. Doležal , Z. Drásal , D. Dutta , S. Eidelman , W. X. Fang , J. E. Fast , T. Ferber , B. G. Fulsom , V. Gaur , N. Gabyshev , A. Garmash , R. Gillard , R. Glattauer , P. Goldenzweig , O. Grzymkowska , J. Haba , K. Hayasaka , H. Hayashii , W. -S. Hou , T. Iijima , K. Inami , G. Inguglia , A. Ishikawa , R. Itoh , Y. Iwasaki , I. Jaegle , H. B. Jeon , K. K. Joo , T. Julius , K. H. Kang , E. Kato , C. Kiesling , D. Y. Kim , J. B. Kim , K. T. Kim , S. H. Kim , Y. J. Kim , P. Kodyš , S. Korpar , D. Kotchetkov , P. Križan , P. Krokovny , A. Kuzmin , Y. -J. Kwon , J. S. Lange , C. H. Li , H. Li , L. Li , Y. Li , L. Li Gioi , J. Libby , D. Liventsev , M. Lubej , T. Luo , M. Masuda , T. Matsuda , D. Matvienko , K. Miyabayashi , H. Miyata , R. Mizuk , G. B. Mohanty , S. Mohanty , A. Moll , H. K. Moon , R. Mussa , E. Nakano , M. Nakao , T. Nanut , K. J. Nath , Z. Natkaniec , S. Nishida , S. Ogawa , S. L. Olsen , W. Ostrowicz , P. Pakhlov , G. Pakhlova , B. Pal , C. -S. Park , H. Park , L. Pesántez , R. Pestotnik , M. Petrič , L. E. Piilonen , C. Pulvermacher , J. Rauch , M. Ritter , Y. Sakai , S. Sandilya , L. Santelj , T. Sanuki , V. Savinov , T. Schlüter , O. Schneider , G. Schnell , C. Schwanda , Y. Seino , D. Semmler , K. Senyo , I. S. Seong , M. E. Sevior , T. -A. Shibata , J. -G. Shiu , B. Shwartz , F. Simon , A. Sokolov , E. Solovieva , S. Stanič , M. Starič , J. F. Strube , J. Stypula , M. Sumihama , T. Sumiyoshi , M. Takizawa , U. Tamponi , K. Tanida , F. Tenchini , K. Trabelsi , M. Uchida , S. Uehara , T. Uglov , Y. Unno , S. Uno , P. Urquijo , Y. Usov , C. Van Hulse , G. Varner , C. H. Wang , M. -Z. Wang , P. Wang , M. Watanabe , Y. Watanabe , K. M. Williams , E. Won , J. Yamaoka , J. Yelton , Y. Yook , Y. Yusa , C. C. Zhang , Z. P. Zhang , V. Zhilich , V. Zhukova , V. Zhulanov , A. Zupanc

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

Cross sections, beam asymmetries, and recoil polarisations for the reactions gamma p to K^+ Lambda ; gamma to K^+ Sigma^0, and gamma p to K^0 Sigma^+ have been measured by the SAPHIR, CLAS, and LEPS collaborations with high statistics and…

High Energy Physics - Experiment · Physics 2014-11-17 A. V. Sarantsev , V. A. Nikonov , A. V. Anisovich , E. Klempt , U. Thoma

The reaction pp -> K+ + (Lambda p) was measured at Tp=1.953 GeV and Theta = 0 deg with a high missing mass resolution in order to study the Lambda p final state interaction. The large final state enhancement near the Lambda p threshold can…