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We examine theoretically production of doubly strange hypernuclei, 16 {\Xi}-C and 16 {\Lambda}{\Lambda}C, in doublecharge exchange 16O(K-, K+) reactions using a distorted-wave impulse approximation. The inclusive K+ spectrum at the incident…

Nuclear Theory · Physics 2014-11-21 Toru Harada , Yoshiharu Hirabayashi , Atsushi Umeya

Recent progress and open problems in kaonic atom physics are presented. A connection between phenomenological deep potentials and the underlying $K^-N$ interaction is established as well as the need for a theory for multinucleon absorption…

Nuclear Theory · Physics 2012-05-11 E. Friedman

The capture of K$^-$ mesons on nucleons bound in nuclei offer a chance to study the $\Sigma \pi$ pairs below the kinematic threshold of the $\bar{\mathrm{K}}$N systems. Various hyperon-pion charged combination are presently under…

Nuclear Experiment · Physics 2017-11-22 Raffaele Del Grande , Kristian Piscicchia , Slawomir Wycech

Three-body $AAB$ model for the $NN{\bar K}(s_{NN}=0)$ kaonic cluster is considered based on the configuration space Faddeev equations. Within a single-channel approach, the difference between masses of nucleons and kaons and the charge…

Nuclear Theory · Physics 2021-11-15 Igor Filikhin , Yury B. Kuzmichev , Branislav Vlahovic

Using the four-body Alt-Grassberger-Sandhas (AGS) equations for the \( K^{-}ppn \) system, we investigate the possible formation of a \( K^{-}pp \) quasi-bound state through the low-energy \( K^{-} + {}^{3}\mathrm{He} \) reaction. The…

Nuclear Theory · Physics 2026-02-24 Sajjad Marri , Ahmad Naderi Beni

Three-body nuclear forces play an important role in the structure of nuclei and hypernuclei and are also incorporated in models to describe the dynamics of dense baryonic matter, such as in neutron stars. So far, only indirect measurements…

Nuclear Experiment · Physics 2023-10-09 ALICE Collaboration

We investigate the $A(p,K^+){_\Lambda}B$ reaction within a covariant two nucleon model. We focus on amplitudes which are described by creation, propagation and decay into relevant channel of $N^*$(1650), $N^*$(1710), and $N^*$(1720)…

Nuclear Theory · Physics 2009-11-11 R. Shyam , H. Lenske , U. Mosel

The interaction of $\rm{K}^{-}$ with protons is characterised by the presence of several coupled channels, systems like ${\rm \overline{K}^0}$n and $\pi\Sigma$ with a similar mass and the same quantum numbers as the $\rm{K}^{-}$p state. The…

Nuclear Experiment · Physics 2023-05-09 ALICE Collaboration

A microscopic approach has been employed to study the kaon and $\Lambda$ productions in heavy ion collisions. The productions of $K^+$ and $\Lambda$ have been studied within the framework of Boltzmann transport equation for various beam…

Nuclear Theory · Physics 2015-03-17 Jajati K. Nayak , Sarmistha Banik , Jan-e Alam

Differential cross sections and photon beam asymmetries for the gamma p rightarrow K+ Lambda and gamma p rightarrow K+ Sigma0 reactions have been measured in the photon energy range from 1.5 GeV to 2.4 GeV and in the angular range from…

High Energy Physics - Experiment · Physics 2009-11-11 M. Sumihama

In the framework of the Faddeev equations in configuration space, we investigate the $K$(1460) meson as a resonant state of the $KK\bar{K}$ kaonic system. We perform calculations for the particle configurations $K^{0}K^{+}K^{-}$ and…

Nuclear Theory · Physics 2024-02-01 Igor Filikhin , Roman Ya. Kezerashvili , Branislav Vlahovic

A molecule model is proposed for the description of the properties of the kaonic nuclear cluster (KNC) anti-KNN with the structure N(ant-KN)_(I = 0) and quantum numbers I(J^P) = 1/2(0^-), the large binding energy B^(\exp)_(anti-KNN) =…

Nuclear Theory · Physics 2011-02-22 A. N. Ivanov , P. Kienle , J. Marton , M. Pitschmann

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

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…

Low-momentum nucleon-nucleon interactions are derived within the framework of a unitary-transformation theory, starting with realistic nucleon-nucleon interactions. A cutoff momentum Lambda is introduced to specify a border between the low-…

Nuclear Theory · Physics 2014-11-18 S. Fujii , E. Epelbaum , H. Kamada , R. Okamoto , K. Suzuki , W. Gloeckle

The cross sections for the pp -> ppK+K- reaction were measured at three beam energies 2.65, 2.70, and 2.83 GeV at the COSY-ANKE facility. The shape of the K+K- spectrum at low invariant masses largely reflects the importance of K\bar{K}…

The effects of the $\Lambda$(1405) ($\Lambda^\ast$) on the structure of the multi-antikaonic nucleus (MKN), in which several $K^-$ mesons are embedded to form deeply bound states, are considered based on chiral symmetry combined with a…

Nuclear Theory · Physics 2015-05-14 Takumi Muto , Toshiki Maruyama , Toshitaka Tatsumi

Resonance parameters (pole masses and residues) associated with the excited states of hyperons, Lambda^* and Sigma^*, are extracted within a dynamical coupled-channels model developed recently by us [Phys. Rev. C 90, 065204 (2014)] through…

Nuclear Theory · Physics 2015-08-13 H. Kamano , S. X. Nakamura , T. -S. H. Lee , T. Sato

The strong interaction between an antikaon and a nucleon is at the origin of various interesting phenomena in kaon-nuclear systems. In particular, the interaction in the isospin $I=0$ channel is sufficiently attractive to generate a…

Nuclear Theory · Physics 2022-02-15 Tetsuo Hyodo , Wolfram Weise
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