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Related papers: Femtoscopic study of the $ \Omega \alpha $ interac…

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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

We examine the $\Lambda$-${}^4\mathrm{He}$ ($\alpha$) momentum correlation in high-energy collisions to elucidate the interaction between Lambdas ($\Lambda$) and nucleons ($N$). We compare phenomenological $\Lambda\alpha$ potentials with…

Nuclear Theory · Physics 2024-07-08 Asanosuke Jinno , Yuki Kamiya , Tetsuo Hyodo , Akira Ohnishi

The momentum correlation functions of baryon pairs, which reflects the baryon-baryon interaction at low energies, are investigated for multi-strangeness pairs ($\Omega\Omega$ and $N\Omega$) produced in relativistic heavy-ion collisions. We…

Nuclear Theory · Physics 2020-01-15 Kenji Morita , Shinya Gongyo , Tetsuo Hatsuda , Tetsuo Hyodo , Yuki Kamiya , Akira Ohnishi

$\Lambda$-deuteron two-particle momentum correlation functions, to be measured in high-energy heavy-ion collisions, are investigated. In particular, the question is addressed whether such correlations can serve as an additional and…

Nuclear Theory · Physics 2020-09-09 J. Haidenbauer

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

Recently the HAL QCD Collaboration reported the $\Omega-\Omega$ and $N-\Omega$ interaction potentials by the lattice QCD simulations. Based on these results, $N\Omega$ ($^5S_2$) and $\Omega\Omega$ ($^1S_0$) bound states were predicted with…

High Energy Physics - Phenomenology · Physics 2020-12-02 S. Zhang , Y. G. Ma

The momentum correlation functions of S = -2 baryon pairs (p Xi^- and Lambda Lambda) produced in high-energy pp and pA collisions are investigated on the basis of the coupled-channel formalism. The strong interaction is described by the…

High Energy Physics - Phenomenology · Physics 2022-02-09 Y. Kamiya , K. Sasaki , T. Fukui , T. Hyodo , K. Morita , K. Ogata , A. Ohnishi , T. Hatsuda

Two-particle intensity correlation between the proton ($p$) and the Omega-baryon ($\Omega$) in high-energy heavy ion collisions is studied to unravel the possible spin-2 $p\Omega$ dibaryon recently suggested by lattice QCD simulations. The…

High Energy Physics - Phenomenology · Physics 2016-09-14 Kenji Morita , Akira Ohnishi , Faisal Etminan , Tetsuo Hatsuda

We have generated an updated version of the $p\Omega$ potential for low-energy interactions based on an effective field theory approach at leading order. This potential, together with other potentials based either on different…

Nuclear Theory · Physics 2024-09-26 Marc Piquer i Méndez , Assumpta Parreño , Juan Torres-Rincon

Correlation functions as they can be observed in heavy-ion collisions using the femtoscopy technique are a powerful tool to study the interaction among different baryons or mesons. Specifically, the multi-nucleon correlation functions have…

Nuclear Theory · Physics 2025-05-22 Matthias Göbel , Alejandro Kievsky

We investigate the two-particle intensity correlation function of $\Lambda$ in relativistic heavy-ion collisions. We find that the behavior of the $\Lambda\Lambda$ correlation function at small relative momenta is fairly sensitive to the…

Nuclear Theory · Physics 2015-03-05 Kenji Morita , Takenori Furumoto , Akira Ohnishi

Motivated by recent experimental measurements of the p$\Omega^-$ correlation function and the concurrent theoretical efforts to describe the strong interaction among hadrons in the strangeness sector, we present a data-driven approach for…

Nuclear Theory · Physics 2025-09-04 Marta Piscitelli , Otón Vázquez Doce

The first experimental information on the strong interaction between $\Lambda$ and $\Xi^-$ strange baryons is presented in this Letter. The correlation function of $\Lambda-\Xi^-$ and $\overline{\Lambda}-\overline{\Xi}^{+}$ pairs produced…

Nuclear Experiment · Physics 2023-10-06 ALICE Collaboration

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

Understanding the short-range nucleon-nucleon interaction is essential for the interpretation of correlation femtoscopy measurements in high-energy hadronic and nuclear collisions. We present an analytical treatment of the strong…

Nuclear Theory · Physics 2026-02-12 Gleb Romanenko , Francesca Bellini

Based on a baryon-baryon interaction model with meson exchanges, we investigate the origin of the strong attraction in the $N \Omega ( {}^{5}S_{2} )$ interaction, which was indicated by recent lattice QCD simulations. The long range part of…

High Energy Physics - Phenomenology · Physics 2018-07-25 Takayasu Sekihara , Yuki Kamiya , Tetsuo Hyodo

Extensive systematization of theoretical and experimental nuclear densities and of optical potential strengths exctracted from heavy-ion elastic scattering data analyses at low and intermediate energies are presented.The energy-dependence…

We study decuplet baryons from meson-baryon interactions, in particular, $\Delta$ and $\Omega$ baryons from P-wave $I=3/2$ $N\pi$ and $I=0$ $\Xi\bar{K}$ interactions, respectively. The interaction potentials are calculated in the HAL QCD…

High Energy Physics - Lattice · Physics 2021-12-01 Kotaro Murakami , Yutaro Akahoshi , Sinya Aoki , Kenji Sasaki

To facilitate the relativistic heavy-ion calculations based on transport equations, the binary collisions involving a $\Delta$ resonance in either the entrance channel or the exit channel are investigated within a Hamiltonian formulation of…

Nuclear Theory · Physics 2008-11-26 T. -S. H. Lee

Even though lots of $\Lambda$-hypernuclei have been found and measured, multi-strangeness hypernuclei consisting of $\Omega$ are not yet discovered. The studies of multi-strangeness hypernuclei help us further understand the interaction…

High Energy Physics - Phenomenology · Physics 2022-05-10 Liang Zhang , Song Zhang , Yu-Gang Ma
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