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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 differential production cross sections of K^+ and K^- mesons have been measured at the ITEP proton synchrotron in p+Be, p+Cu collisions under lab angle of 10.5^0, respectively, at 1.7 and 2.25, 2.4 GeV beam energies. A detailed…

Inclusive K+ production in proton-proton collisions has been measured at a beam energy of 2.16 GeV using the COSY-ANKE magnetic spectrometer. The resulting spectrum, as well as those corresponding to K+ p and K+ pi+ correlated pairs, can…

The reactions $pp\to p\Lambda K^+$ and $pp\to p\Sigma^0K^+$ are studied near their thresholds. The strangeness production process is described by the $\pi$- and $K$ exchange mechanisms. Effects from the final state interaction in the…

Nuclear Theory · Physics 2009-10-31 A. Gasparian , J. Haidenbauer , C. Hanhart , L. Kondratyuk , J. Speth

The pp -> ppK+K- reaction was measured below the phi threshold at a beam energy of 2.568 GeV using the COSY-ANKE magnetic spectrometer. By assuming that the four-body phase space is distorted only by the product of two-body final state…

The production of K+ mesons in pA (A= C, Cu, Ag, Au) collisions has been investigated at the COoler SYnchrotron COSY-Juelich at beam energies T=1.0 ... 2.3 GeV using the ANKE spectrometer. ANKE allows to measure double differential cross…

Nuclear Experiment · Physics 2017-08-23 M. Buescher , M. Nekipelov

Optical potentials for $K^+$-nucleus interactions are constructed from $K^+$-nucleon amplitudes using recently developed algorithm based on $K^+$-N kinematics in the nuclear medium. With the deep penetration of $K^+$ mesons into the nucleus…

Nuclear Theory · Physics 2016-07-27 E. Friedman

We present some details of our recent theoretical investigations on the total cross section of the reactions $pp\to pp \pi^0$, $pp\to pp \eta$ and $pp\to p\Lambda K^+$ at threshold. Applying standard nonrelativistic perturbation theory…

Nuclear Theory · Physics 2007-05-23 F. Kleefeld , M. Dillig

The production of $\eta'$ mesons in the reactions $pp\to pp\eta'$ and $pn\to pn\eta' $ at threshold-near energies is analyzed within a covariant effective meson-nucleon theory. The description of cross section and angular distributions of…

Nuclear Theory · Physics 2008-11-26 L. P. Kaptari , B. Kampfer

The total cross section of the reaction $pp\to ppK^+K^-$ has been determined for proton--proton reactions with $p_{beam}=3.67 GeV/c$. This represents the first cross section measurement of the $pp \to ppK^-K^+$ channel near threshold, and…

First physics results of the BM@N experiment at the Nuclotron/NICA complex are presented on {\pi}+ and K+ meson production in interactions of an argon beam with fixed targets of C, Al, Cu, Sn and Pb at 3.2 AGeV. Transverse momentum…

High Energy Physics - Experiment · Physics 2023-08-09 S. Afanasiev , G. Agakishiev , E. Aleksandrov , I. Aleksandrov , P. Alekseev , K. Alishina , E. Atkin , T. Aushev , V. Babkin , N. Balashov , A. Baranov , A. Baranov , D. Baranov , N. Baranova , N. Barbashina , M. Baznat , S. Bazylev , M. Belov , D. Blau , G. Bogdanova , D. Bogoslovsky , A. Bolozdynya , E. Boos , M. Buryakov , S. Buzin , A. Chebotov , J. Chen , D. Dementev , A. Dmitriev , D. Dryablov , A. Dryuk , P. Dulov , D. Egorov , V. Elsha , A. Fediunin , I. Filippov , I. Filozova , D. Finogeev , I. Gabdrakhmanov , A. Galavanov , O. Gavrischuk , K. Gertsenberger , V. Golovatyuk , M. Golubeva , F. Guber , A. Iusupova , A. Ivashkin , A. Izvestnyy , V. Kabadzhov , M. Kapishin , I. Kapitonov , V. Karjavin , D. Karmanov , N. Karpushkin , R. Kattabekov , V. Kekelidze , S. Khabarov , P. Kharlamov , A. Khukhaeva , A. Khvorostukhin , Yu. Kiryushin , P. Klimai , D. Klimansky , V. Kolesnikov , A. Kolozhvari , Yu. Kopylov , M. Korolev , L. Kovachev , I. Kovalev , Yu. Kovalev , I. Kozlov , V. Kozlov , I. Kudryashov , S. Kuklin , E. Kulish , A. Kurganov , A. Kuznetsov , E. Ladygin , D. Lanskoy , N. Lashmanov , V. Lenivenko , R. Lednický , V. Leontiev , E. Litvinenko , Yu-G. Ma , A. Makankin , A. Makhnev , A. Malakhov , A. Martemianov , E. Martovitsky , K. Mashitsin , M. Merkin , S. Merts , A. Morozov , S. Morozov , Yu. Murin , G. Musulmanbekov , A. Myasnikov , R. Nagdasev , E. Nekrasowa , S. Nemnyugin , D. Nikitin , S. Novozhilov , V. Palchik , I. Pelevanyuk , D. Peresunko , O. Petukhov , Yu. Petukhov , S. Piyadin , M. Platonova , V. Plotnikov , D. Podgainy , V. Rogov , I. Rufanov , P. Rukoyatkin , M. Rumyantsev , D. Sakulin , S. Sergeev , A. Sheremetev , A. Sheremeteva , A. Shchipunov , M. Shitenkov , M. Shopova , V. Shumikhin , A. Shutov , V. Shutov , I. Slepnev , V. Slepnev , I. Slepov , A. Solomin , A. Sorin , V. Sosnovtsev , V. Spaskov , A. Stavinskiy , Yu. Stepanenko , E. Streletskaya , O. Streltsova , M. Strikhanov , N. Sukhov , D. Suvarieva , G. Taer , N. Tarasov , O. Tarasov , P. Teremkov , A. Terletsky , O. Teryaev , V. Tcholakov , V. Tikhomirov , A. Timoshenko , N. Topilin , T. Tretyakova , V. Tskhay , E. Tsvetkov , I. Tyapkin , V. Vasendina , V. Velichkov , V. Volkov , A. Voronin , A. Voronin , N. Voytishin , V. Yurevich , I. Yumatova , N. Zamiatin , M. Zavertyaev , S. Zhang , E. Zherebtsova , V. Zhezher , N. Zhigareva , A. Zinchenko , A. Zubankov , E. Zubarev , M. Zuev

We have measured inclusive data on $K^+$-meson production in $pp$ collisions at COSY J\"ulich close to the hyperon production threshold and determined the hyperon-nucleon invariant mass spectra. The spectra were decomposed into three parts:…

The production of neutron rich $\Lambda$-hypernuclei via the ($K^-_stop$,$\pi^+$) reaction has been studied using data collected with the FINUDA spectrometer at the DA$\Phi$NE $\phi$-factory (LNF). The analysis of the inclusive $\pi^+$…

We investigate theoretically production cross sections of the $J^\pi=$ 0$^+$ ground state of a $^4_\Lambda$He hypernucleus in the $^4$He($\pi$,~$K$) reaction with a distorted-wave impulse approximation using the optimal Fermi-averaged $\pi…

Nuclear Theory · Physics 2019-09-04 Toru Harada , Yoshiharu Hirabayashi

We analyse the $p p \to p \Lambda K^+$ total cross section data which were recently measured by the COSY-11 collaboration at an energy 2~MeV above the reaction threshold. Our analysis suggests that the measurement of the invariant mass…

Nuclear Theory · Physics 2010-02-17 A. Sibirtsev , K. Tsushima , A. W. Thomas

In this article the production of $K^+$ at energies close to the threshold is studied in detail. The production mechanisms, the influence of in-medium effects, cross sections, the nuclear equation of state and the dynamics of the nucleons…

Nuclear Theory · Physics 2007-05-23 Christoph Hartnack

The production of the Sigma+ hyperon through the pp->K+nSigma+ reaction has been investigated at four energies close to threshold, 1.826, 1.920, 1.958, and 2.020 GeV. At low energies, correlated K+pi+ pairs can only originate from Sigma+…

The neutrino induced hyperon production processes $\bar{\nu}_{e/\mu} + p \to e^+/\mu^+ + \pi + \Lambda/\Sigma$ may provide a unique clean place for studying low energy $\pi\Lambda/\Sigma$ interaction and hyperon resonances below $KN$…

High Energy Physics - Phenomenology · Physics 2015-04-14 Jia-Jun Wu , Bing-Song Zou

Differential production cross sections of K$^-$ and K$^+$ mesons have been measured as function of the polar emission angle in Ni+Ni collisions at a beam energy of 1.93 AGeV. In near-central collisions, the spectral shapes and the widths of…

The near threshold production of K+K- pairs in proton-proton collisions has been investigated at the cooler synchrotron COSY below and above the threshold for the \phi meson production. The experimental excitation function determined for…

High Energy Physics - Phenomenology · Physics 2019-08-14 Michal Silarski , Pawel Moskal , Damian Gil , Jerzy Smyrski