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Related papers: $\Xi$-nucleus potential and $(K^-,K^+)$ inclusive …

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The inclusive K^+ momentum spectrum in the 12C(K^-,K^+) reaction is calculated by the semiclassical distorted wave (SCDW) model, including the transition to the \Xi^- bound state. The calculated spectra with the strength of the…

Nuclear Theory · Physics 2008-11-26 S. Hashimoto , M. Kohno , K. Ogata , M. Kawai

We study phenomenologically a $\Xi^-$ production spectrum of the $^9$Be($K^-$, $K^+$) reaction at 1.8 GeV/$c$ within the distorted-wave impulse approximation using the optimal Fermi-averaged $K^- p \to K^+ \Xi^-$ amplitude. We attempt to…

Nuclear Theory · Physics 2021-02-10 Toru Harada , Yoshiharu Hirabayashi

$(\pi^-,K^+)$ hyperon production inclusive spectra with $p_\pi =1.2$ GeV/c measured at KEK on $^{12}$C and $^{28}$Si are analyzed by the semiclassical distorted wave model. Single-particle wave functions of the target nucleus are treated…

Nuclear Theory · Physics 2008-11-26 M. Kohno , Y. Fujiwara , Y. Watanabe , K. Ogata , M. Kawai

Semiclassical distorted wave model is developed to describe $(\pi^-,K^+)$ inclusive spectra related to $\Sigma^-$-formation measured at KEK with $p_\pi =1.2$ GeV/c. The shape and magnitude of the spectrum on $^{28}$Si target are…

Nuclear Theory · Physics 2009-11-10 M. Kohno , Y. Fujiwara , Y. Watanabe , K. Ogata , M. Kawai

We study the hyperon-nucleus potential with distorted wave impulse wave approximation (DWIA) using Green's function method. In order to include the nucleon and hyperon potential effects in Fermi averaging, we introduce the local optimal…

Nuclear Theory · Physics 2008-11-26 Hideki Maekawa , Kohsuke Tsubakihara , Akira Ohnishi

In order to study the Sigma-nucleus optical potential, we measured inclusive (pi^-,K^+) spectra on medium-to-heavy nuclear targets: CH_2, Si, Ni, In and Bi. The CH_2 target was used to calibrate the excitation energy scale by using the…

Properties of the baryon-baryon interactions in the strangeness $S=-2$ sector of chiral effective field theory at the next-to-leading order (NLO) level are explored by calculating $\Xi$ single-particle potentials in symmetric nuclear…

Nuclear Theory · Physics 2019-09-04 M. Kohno

The recent observation of the deeply bound \Xi - hypernucleus ^15_\Xi^-C through the IRRAWADDY and KINKA events provided a crucial benchmark for determining the \Xi-nucleus interaction. This work aims to constrain the depth of this…

Nuclear Theory · Physics 2025-10-10 Paing Thit Nyein , Kyaw Kyaw Naing , Htun Htun Oo , M. Yamaguchi , Hiroyuki Kamada

We investigate the inclusive weak decay $\Xi_{bcq} \to \Xi_{ccq} + X$ ($q=u,d,s$) within the framework of the non-relativistic potential quark model. Treating the heavy diquarks $\Phi_{bc}$ and $\Phi_{cc}$ as compact color anti-triplet…

High Energy Physics - Phenomenology · Physics 2026-02-03 Guo-He Yang

The nucleon differential elastic scattering cross sections, the total proton reaction cross sections, and the single-particle energies of nucleon bound states for 40Ca, 90Zr and 208Pb are reanalyzed in terms of the dispersive optical model…

Nuclear Theory · Physics 2008-11-26 O. V. Bespalova , E. A. Romanovsky , T. I. Spasskaya

I examined a phenomenological Nijmegen and a first principles HAL QCD $\Xi N$ potentials to study $\alpha\Xi$ ineractions. A Woods-Saxon type form for $\alpha\Xi$ potential in the single-folding potential approach is derived by using the…

Nuclear Theory · Physics 2024-06-07 Faisal Etminan

The single-$\Xi^-$ hypernuclei are studied using a quark mean field model. At the quark level, the $\Xi^-$ hyperon is composed of one $d$ quark and two $s$ quarks, which are confined by the harmonic oscillator potentials. In the case of…

Nuclear Theory · Physics 2017-11-22 Jinniu Hu , Hong Shen

Motivated by the recently observed hypernucleus (Kiso event) $^{15}_{\Xi}$C ($^{14}$N$+\Xi^-$), we identify the state of this system theoretically within the framework of the relativistic-mean-field and Skyrme-Hartree-Fock models. The $\Xi…

Nuclear Theory · Physics 2017-01-04 T. T. Sun , E. Hiyama , H. Sagawa , H. -J. Schulze , J. Meng

We calculate Lambda alpha, Sigma alpha and Xi alpha potentials from the nuclear-matter G-matrices of the SU6 quark-model baryon-baryon interaction. The alpha-cluster wave function is assumed to be a simple harmonic-oscillator shell-model…

Nuclear Theory · Physics 2008-11-26 Y. Fujiwara , M. Kohno , Y. Suzuki

The binding energies of deformed even-even nuclei have been analysed within the framework of a recently proposed microscopic-macroscopic model. We have used the semiclassical Wigner - Kirkwood $\hbar$ expansion up to fourth - order, instead…

Nuclear Theory · Physics 2015-06-05 A. Bhagwat , X. Viñas , M. Centelles , P. Schuck , R. Wyss

We study the antikaon-induced inclusive cascade $\Xi^-$ hyperon production from $^{12}$C and $^{184}$W target nuclei near threshold within a nuclear spectral function approach. The approach describes incoherent direct $\Xi^-$ hyperon…

Nuclear Theory · Physics 2021-06-02 E. Ya. Paryev

The description of deuteron-induced inclusive reactions has been an important subject in direct nuclear reaction studies and nuclear data science. For proton-induced inclusive processes, the semiclassical distorted wave model (SCDW) is one…

Nuclear Theory · Physics 2023-07-04 Hibiki Nakada , Kazuki Yoshida , Kazuyuki Ogata

We study a production of Coulomb-assisted $\Sigma^-$-nucleus bound states by nuclear ($K^-$, $\pi^+$) reactions within a distorted-wave impulse approximation, so as to examine several types of the $\Sigma$-nucleus potentials that are…

Nuclear Theory · Physics 2009-11-09 Toru Harada , Yoshiharu Hirabayashi

We study the near-threshold inclusive photoproduction of $\Xi^-$ hyperons off $^{12}$C and $^{184}$W target nuclei within a first-collision model relying on the nuclear spectral function and including incoherent $\Xi^-$ production in direct…

Nuclear Theory · Physics 2021-11-30 E. Ya. Paryev

Investigations of the quasifree reaction A$(\gamma, K Y)$B are presented in the distorted wave impulse approximation (DWIA). For this purpose, we present a revised tree-level model of elementary kaon photoproduction that incorporates…

Nuclear Theory · Physics 2008-11-26 F. X. Lee , T. Mart , C. Bennhold , H. Haberzettl , L. E. Wright
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