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Related papers: $_{\Xi}^{5}H $ hypernuclei by folding the state-of…

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We derive a simple Woods-Saxon type form for the potentials between $Y=\Xi, \Omega$ and $\alpha$ by using a single-folding potential method, based on a separable $Y$-nucleon potential. Accordingly, the potentials $\Xi+\alpha$ and…

Nuclear Theory · Physics 2020-06-24 Faisal Etminan , Mohammad Mehdi Firoozabadi

Using the folding procedure, we investigate the bound state of the $\Omega$+$\alpha$ system based on $\Omega$-$N$ ($^{5}S_{2}$) HAL QCD potential. Previous theoretical analyses have indicated the existence of a deeply bound ground state,…

Nuclear Theory · Physics 2026-05-14 Igor Filikhin , Roman Ya. Kezerashvili , Branislav Vlahovic

Experimental evidence exists that the $\Xi$-nucleus interaction is attractive. We search for $NN\Xi$ and $NNN\Xi$ bound systems on the basis of the AV8 $NN$ potential combined with either a phenomenological Nijmegen $\Xi N$ potential or a…

Nuclear Theory · Physics 2020-03-16 E. Hiyama , K. Sasaki , T. Miyamoto , T. Doi , T. Hatsuda , Y. Yamamoto , Th. A. Rijken

A new way to study the spin-isospin dependence of the $\Xi N$ interaction is explored through the energy levels of $\Xi N\alpha$ and $\Xi N\alpha \alpha$ systems with $\alpha$ being a spectator to attract the $ \Xi N$ pair without changing…

Nuclear Theory · Physics 2022-12-28 E. Hiyama , M. Isaka , T. Doi , T. Hatsuda

We study $\Xi$-$^4{\mathrm{He}}$ ($\alpha$) momentum correlation functions in the high-energy nuclear collisions to investigate the nature of the $\Xi N$ interactions. We employ the folding $\Xi \alpha$ potential based on the lattice QCD…

Nuclear Theory · Physics 2026-05-27 Yuki Kamiya , Asanosuke Jinno , Tetsuo Hyodo , Akira Ohnishi

Very recently the Wood-Saxon (WS) type interaction in the single-folding potential approach are constructed to simulate the $ \phi{\text -}\alpha $ potentials. One set of the $ \phi{\text -}\alpha $ potentials are based on the first…

Nuclear Theory · Physics 2025-06-03 Faisal Etminan

The $S$-wave $\Lambda\Lambda$ and $N \Xi$ interactions are studied on the basis of the (2+1)-flavor lattice QCD simulations close to the physical point ($m_\pi \simeq 146{\rm{MeV}}$ and $m_K \simeq 525{\rm{MeV}}$). Lattice QCD potentials in…

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

The $\alp-\alp$ interaction potential is obtained within the double folding model with density-dependent Gogny effective interactions as input. The one nucleon knock-on exchange kernel including recoil effects is localized using the…

Nuclear Theory · Physics 2013-10-18 M. Lassaut , F. Carstoiu , V. Balanica

With the advancement of first-principles calculations for baryon-baryon interactions, it becomes possible to obtain reliable hyperon-nucleon potentials by lattice QCD simulations with the HAL QCD method. High-precision few-body methods,…

Nuclear Theory · Physics 2025-11-19 E. Hiyama , T. Doi

We examine the $\Lambda$-${}^4\mathrm{He}$ ($\alpha$) and $\Xi \alpha$ momentum correlation in high-energy collisions to further elucidate the properties of the hyperon-nucleon interactions. For the $\Lambda\alpha$ system, we compare…

Nuclear Theory · Physics 2025-01-20 Asanosuke Jinno , Yuki Kamiya , Tetsuo Hyodo , Akira Ohnishi

The $\Xi N$ interaction is investigated in the quark mean-field (QMF) model based on recent observables of the $\Xi^-+^{14}\rm{N}$ ($_{\Xi^-}^{15}\rm{C}$) system. The experimental data about the binding energy of $1p$-state $\Xi^-$ hyperon…

Nuclear Theory · Physics 2022-01-26 Jinniu Hu , Ying Zhang , Hong Shen

We investigate the existence of bound $\Xi$ \break states in systems with $A=4-7$ baryons using the Jacobi NCSM approach in combination with chiral NN and $\Xi$N interactions. We find three shallow bound states for the NNN$\Xi$ system (with…

Nuclear Theory · Physics 2022-01-05 Hoai Le , Johann Haidenbauer , Ulf-G. Meißner , Andreas Nogga

The $\Xi$ single-particle potential obtained in nuclear matter with the next-to-leading order baryon-baryon interactions in chiral effective field theory is applied to finite nuclei by an improved local-density approximation method. As a…

Nuclear Theory · Physics 2021-07-09 M. Kohno , K. Miyagawa

We study the energy spectra of $\Xi$ hypernuclei $^{15}_{\Xi}$C and $^{12}_{\Xi}$Be with a relativistic mean field (RMF) model with meson exchange $\Xi N$ interactions. The RMF parameters are optimized to reproduce the average energy of…

Nuclear Theory · Physics 2022-05-04 Yusuke Tanimura , Hiroyuki Sagawa , Tingting Sun , Emiko Hiyama

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

We study a non-relativistic particle subject to a three-dimensional spherical potential consisting of a finite well and a radial $\delta$-$\delta'$ contact interaction at the well edge. This contact potential is defined by appropriate…

Nuclear Theory · Physics 2021-05-07 C. Romaniega , M. Gadella , R. M. Id Betan , L. M. Nieto

We investigate the isovector component in the phenomenological mean field model of nuclei. Lane's isospin dependence, initially proposed for the nuclear optical potential, is reexamined within the context of bound states using the…

Nuclear Theory · Physics 2024-08-26 L. Xayavong , Y. Lim , N. A. Smirnova , G. Nam

The $\Lambda^{\ast}$-hypernuclei, which are bound states of $\Lambda(1405)$ and nuclei, are discussed as a possible interpretation of the $\bar{K}$-nuclei. The Bonn and Nijmegen potentials are extended and used as a phenomenological…

Nuclear Theory · Physics 2008-11-26 A. Arai , M. Oka , S. Yasui

Properties of hypernuclei $_{\Lambda \Lambda}^5$H and $_{\Lambda \Lambda }^5$He are studied in a two-channel approach with explicit treatment of coupling of channels ^3\text{Z}+\Lambda+\Lambda and \alpha+\Xi. Diagonal \Lambda\Lambda and…

Nuclear Theory · Physics 2007-05-23 D. E. Lanskoy , Y. Yamamoto
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