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Related papers: Interaction of K^- mesons with light nuclei

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Using multiple scattering theory the scattering lengths of $\eta$ mesons on helium nuclei are calculated and checked against final state $\eta$ interactions from the $pd \rightarrow \eta ^3$He and $dd \rightarrow \eta ^4$He reactions. The…

Nuclear Theory · Physics 2016-09-08 S. Wycech , A. M. Green , J. A. Niskanen

The differential and total cross sections for the d+p->3He+eta reaction have been measured in a high precision high statistics COSY-ANKE experiment near threshold using a continuous beam energy ramp up to an excess energy Q of 11.3 MeV with…

In-medium ${\bar K}N$ scattering amplitudes developed within a new chirally motivated coupled-channel model due to Cieply and Smejkal that fits the recent SIDDHARTA kaonic hydrogen 1s level shift and width are used to construct $K^-$…

Nuclear Theory · Physics 2012-06-08 D. Gazda , J. Mares

New calculations of the quasi-bound state positions in $K^{-}K^{-}pp$ kaonic nuclear cluster are performed using non-relativistic four-body Faddeev-type equations in AGS form. The corresponding separable approximation for the integral…

Nuclear Theory · Physics 2016-12-23 Sajjad Marri , Seyed Zafarollah Kalantari , Jafar Esmaili

In this article studies of the near threshold $pp\to ppK^+K^-$ reaction conducted with the COSY-11 and the ANKE detectors are reviewed. In particular recent investigations on the $K^+K^-$ final state interaction are revisited taking into…

Nuclear Experiment · Physics 2014-03-27 M. Silarski

Deeply bound KNN, KNNN and KNNNN states are discussed. The effective force exerted by the K meson on the nucleons is calculated with static nucleons. Next the binding energies are obtained by solving the Schrodinger equation or by…

Nuclear Theory · Physics 2009-01-21 S. Wycech , A. M. Green

The connection of the binding energy and width of possible bound eta-mesic states is given to the complex scattering length for s-states in the hope that, with knowledge of the final state interaction this could be useful in searches of…

Nuclear Theory · Physics 2015-06-18 J. A. Niskanen

Absolute cross sections for charge exchange, ionization, stripping and excitation in K^(+) - He collisions were measured in the ion energy range 0.7 - 10 keV. The experimental data and the schematic correlation diagrams are used to analyze…

We consider the non-relativistic four-boson system with short-range forces and large scattering length in an effective quantum mechanics approach. We construct the effective interaction potential at leading order in the large scattering…

Other Condensed Matter · Physics 2009-11-10 L. Platter , H. -W. Hammer , Ulf-G. Meißner

We report on self-consistent calculations of single-K^- nuclear states and multi-Kbar nuclear states in 12C, 16O, 40Ca and 208Pb within the relativistic mean-field (RMF) approach. Gradient terms motivated by the p-wave resonance Sigma(1385)…

Nuclear Theory · Physics 2013-01-11 D. Gazda , E. Friedman , A. Gal , J. Mares

Non-relativistic Faddeev and Faddeev-Yakubovsky calculations were made for K^-pp, K^- ppn, K^-K^-p and K^- K^-pp kaonic nuclear clusters, where the quasi bound states were treated as bound states by employing real separable potential models…

Nuclear Theory · Physics 2014-04-18 Shuji Maeda , Yoshinori Akaishi , Toshimitsu Yamazaki

We investigate the K^- ^3He and K^+ K^- interactions in the reaction pd -> ^3He K^+ K^- near threshold and compare our model calculations with data from the MOMO experiment at COSY-Juelich. A large attractive effective K^- p amplitude would…

Nuclear Theory · Physics 2008-11-26 V. Yu. Grishina , M. Buescher , L. A. Kondratyuk

$K^-$ mesons offer a unique setting where mesic atoms have been studied both experimentally and theoretically, thereby placing constraints on the possible existence and properties of meson-nuclear quasibound states. Here we review progress…

Nuclear Theory · Physics 2025-10-17 Eliahu Friedman , Avraham Gal , Aleš Cieplý , Jaroslava Hrtánková , Jiří Mareš

$\Kbar N$ interactions are investigated {\it via} an effective non-linear chiral meson-baryon Lagrangian. The adjustable parameters are determined by a fitting procedure on the $K^-p$ threshold branching ratios and total cross-section data…

Nuclear Theory · Physics 2009-11-10 A. Bahaoui , C. Fayard , T. Mizutani , B. Saghai

The binding energies of a range of nuclei and hypernuclei with atomic number A <= 4 and strangeness |s| <= 2, including the deuteron, di-neutron, H-dibaryon, 3He, Lambda 3He, Lambda 4He, and Lambda Lambda 4He, are calculated in the limit of…

High Energy Physics - Lattice · Physics 2013-03-14 S. R. Beane , E. Chang , S. D. Cohen , W. Detmold , H. W. Lin , T. C. Luu , K. Orginos , A. Parreno , M. J. Savage , A. Walker-Loud

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

The rational map ansatz for light nuclei in the Skyrme model is shown to imply the existence of an \eta-^4He bound state, with a binding energy of ~ 30 KeV.

Nuclear Theory · Physics 2009-10-31 N. N. Scoccola , D. O. Riska

We calculate the binding energies for multi-nucleon bound states with the nuclear mass number less than or equal to 4 in 2+1 flavor QCD at the lattice spacing of a = 0.09 fm employing a relatively heavy quark mass corresponding to m_pi =…

High Energy Physics - Lattice · Physics 2015-06-05 Takeshi Yamazaki , Ken-ichi Ishikawa , Yoshinobu Kuramashi , Akira Ukawa

We have calculated the total cross section for k^+-4^He, 16^O, 40^Ca, intes at incident momenta of the kaon P_lab<1GeV . We derived the K^+-nucleon optical potential according to the exchange of 3- mesons (segma,roh,omega) and also for 4-…

Nuclear Theory · Physics 2013-09-24 K. M. Hanna , Sh. M. Sewailem , A. G. Shalaby

A search for tribaryon states was performed at KEK-PS. We adopted the $^4$He($K^-_{stopped}, p)$ reaction to populate the states with strangeness -1, charge 0 and isospin 1. No significant narrow structure was observed in the mass region…