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Related papers: Summary of the COSY-11 Measurements of Hyperon Pro…

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Production of Lambda and Antilambda hyperons was measured in central Pb-Pb collisions at 40, 80, and 158 A$\cdot$GeV beam energy on a fixed target. Transverse mass spectra and rapidity distributions are given for all three energies. The…

Nuclear Experiment · Physics 2011-08-17 The NA49 Collaboration , T. Anticic

The $pp \to pp \eta^{\prime}$ (958) reaction has been measured at COSY using the internal beam and the COSY-11 facility. The total cross sections at the four different excess energies \mbox{$ Q = ~1.5 ~MeV, ~1.7 ~MeV, ~2.9 ~MeV,$ and $ ~4.1…

The hadronic reaction pp --> Sigma+ K0 p was measured exclusively at a beam momentum of 2.95 GeV/c using the TOF detector at the COSY storage ring. A narrow peak was observed in the invariant mass spectrum of the K0 p subsystem at 1530 +- 5…

A model calculation for the reactions $pp\to p\Lambda K^+$ and $pp\to N\Sigma K$ near their thresholds is presented. It is argued that the experimentally observed strong suppression of $\Sigma^0$ production compared to $\Lambda$ production…

Nuclear Theory · Physics 2009-11-06 A. M. Gasparian , J. Haidenbauer , C. Hanhart , L. Kondratyuk , J. Speth

Measurements of the pp-->ppK+K- reaction, performed near the kinematical threshold with the experiment COSY-11 at the Cooler Synchrotron COSY, reveal a significant discrepancy between obtained excitation function and theoretical…

High Energy Physics - Phenomenology · Physics 2019-08-14 M. Silarski , P. Moskal

We analyse the production and propagation of pions and kaons in heavy-ion reactions from 0.8 -- 1.8~A$\cdot$GeV within a coupled channel transport approach including the kaon production channels $BB \to K^+YN, \pi B\to K^+Y, BB \to NN K…

Nuclear Theory · Physics 2009-10-30 E. L. Bratkovskaya , W. Cassing , U. Mosel

The pp->pp phi reaction has been studied at the Cooler Synchrotron COSY-Juelich, using the internal beam and ANKE facility. Total cross sections have been determined at three excess energies epsilon near the production threshold. The…

The cross sections of the reaction $pp \to N K Y$ for $K^+$ or $K^0$ mesons and $\Lambda$ or $\Sigma$ hyperons are calculated within the boson exchange model including pion and kaon exchange diagrams. We analyze the dependence of the…

Nuclear Theory · Physics 2009-09-25 A. Sibirtsev , W. Cassing

The measurement of the quasi-free production of the eta prime meson has been carried out at the COSY-11 detection setup using a proton beam and a deuteron cluster target. The energy dependence of the cross section is extracted using a fixed…

Nuclear Experiment · Physics 2009-04-24 J. Klaja , P. Moskal , J. Zdebik

Inclusive production of $\Lambda$-hyperons was measured with the large acceptance NA61/SHINE spectrometer at the CERN SPS in inelastic p+p interactions at beam momentum of 158~\GeVc. Spectra of transverse momentum and transverse mass as…

High Energy Physics - Experiment · Physics 2016-04-26 A. Aduszkiewicz , Y. Ali , E. Andronov , T. Antićić , N. Antoniou , B. Baatar , F. Bay , A. Blondel , M. Bogomilov , A. Brandin , A. Bravar , J. Brzychczyk , S. A. Bunyatov , O. Busygina , P. Christakoglou , M. Ćirković , T. Czopowicz , A. Damyanova , N. Davis , H. Dembinski , M. Deveaux , F. Diakonos , S. Di Luise , W. Dominik , J. Dumarchez , K. Dynowski , R. Engel , A. Ereditato , G. A. Feofilov , Z. Fodor , A. Garibov , M. Gaździcki , M. Golubeva , K. Grebieszkow , A. Grzeszczuk , F. Guber , A. Haesler , T. Hasegawa , A. E. Hervé , M. Hierholzer , S. Igolkin , A. Ivashkin , S. R. Johnson , K. Kadija , A. Kapoyannis , E. Kaptur , J. Kisiel , T. Kobayashi , V. I. Kolesnikov , D. Kolev , V. P. Kondratiev , A. Korzenev , K. Kowalik , S. Kowalski , M. Koziel , A. Krasnoperov , M. Kuich , A. Kurepin , D. Larsen , A. László , M. Lewicki , V. V. Lyubushkin , M. Maćkowiak-Pawłowska , B. Maksiak , A. I. Malakhov , D. Manić , A. Marcinek , A. D. Marino , K. Marton , H. -J. Mathes , T. Matulewicz , V. Matveev , G. L. Melkumov , B. Messerly , G. B. Mills , S. Morozov , S. Mrówczyński , Y. Nagai , T. Nakadaira , M. Naskręt , M. Nirkko , K. Nishikawa , A. D. Panagiotou , V. Paolone , M. Pavin , O. Petukhov , C. Pistillo , R. Płaneta , B. A. Popov , M. Posiadała , S. Puławski , J. Puzović , W. Rauch , M. Ravonel , A. Redij , R. Renfordt , E. Richter-Wąs , A. Robert , D. Röhrich , E. Rondio , M. Roth , A. Rubbia , B. T. Rumberger , A. Rustamov , M. Rybczynski , A. Sadovsky , K. Sakashita , K. Schmidt , T. Sekiguchi , I. Selyuzhenkov , A. Seryakov , P. Seyboth , D. Sgalaberna , M. Shibata , M. Słodkowski , P. Staszel , G. Stefanek , J. Stepaniak , H. Ströbele , T. Šuša , M. Szuba , M. Tada , A. Taranenko , D. Tefelski , V. Tereshchenko , R. Tsenov , L. Turko , R. Ulrich , M. Unger , M. Vassiliou , D. Veberič , V. V. Vechernin , G. Vesztergombi , L. Vinogradov , A. Wilczek , Z. Włodarczyk , A. Wojtaszek-Szwarc , O. Wyszyński , L. Zambelli , E. D. Zimmerman

A combined analysis of the published data on the pp -> dK+K0bar reaction at excess energies of 47.4 MeV and 104.7 MeV is presented. Evidence is found for both the production of the a0+(980)scalar resonance and for a strong K0bar:d final…

Nuclear Experiment · Physics 2008-11-26 A. Dzyuba , M. Buescher , C. Hanhart , V. Kleber , V. Koptev , H. Stroeher , C. Wilkin

The reaction pp -> d K^+ K^0-bar has been investigated at excess energies Q = 47.4 and 104.7 MeV above the K^+ K^0-bar threshold at COSY-Juelich. Coincident dK^+ pairs were detected with the ANKE spectrometer, and events with a missing…

We study the production of bound cascade hypernuclei via the (K-,K+) reaction on 12C and 28Si targets within a covariant effective Lagrangian model, employing the cascade bound state spinors derived from the latest quark-meson coupling…

Nuclear Theory · Physics 2012-05-10 R. Shyam , K. Tsushima , A. W. Thomas

The exclusive reactions $\gamma p \to K^{*0} \Sigma^+(1189)$ and $\gamma p \to K^{0} \pi^{0}\Sigma^+(1189)$, leading to the p 4$\pi^{0}$ final state, have been measured with a tagged photon beam for incident energies from threshold up to…

Nuclear Experiment · Physics 2012-08-27 TAPS Collaboration , M. Nanova

The single-pion production reactions $pp\to d\pi^+$, $pp\to np\pi^+$ and $pp\to pp\pi^0$ were measured at a beam momentum of 0.95 GeV/c ($T_p \approx$ 400 MeV) using the short version of the COSY-TOF spectrometer. The central calorimeter…

We study the production of Sigma^+-pi^+-pK^+ particle quartets in p+p reactions at 3.5 GeV kinetic beam energy. The data were taken with the HADES experiment at GSI. This report evaluates the contribution of resonances like Lambda(1405$,…

The differential cross sections of $\Lambda_\mathrm{c}^+$ baryon production are measured via the exclusive decay channel $\Lambda_\mathrm{c}^+$ $\to$ pK$^-\pi^+$ using the CMS detector at the LHC. Spectra are measured as a function of…

High Energy Physics - Experiment · Physics 2020-03-03 CMS Collaboration

We report our recent effort for the extraction of resonance parameters (complex pole mass and residues etc.) associated with Lambda* and Sigma* hyperons. This was accomplished via a comprehensive partial-wave analysis of the data for K^- p…

Nuclear Theory · Physics 2017-08-02 Hiroyuki Kamano

The reaction gamma p --> K0 Sigma+ was measured in the photon energy range from threshold up to 2.6 GeV with the SAPHIR detector at the electron stretcher facility, ELSA, in Bonn. Results are presented on the reaction cross section and the…

We report the measurement of the $\gamma p \rightarrow K^{+}\Lambda$ and $\gamma p \rightarrow K^{+}\Sigma^{0}$ reactions at SPring-8. The differential cross sections and photon-beam asymmetries are measured at forward $K^{+}$ production…