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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

A momentum-dependent formulation based on a stationary spin-0 and isospin-1 dibaryon field is proposed to improve convergence of chiral effective field theory in the $\cs{1}{0}$ channel of $NN$ scattering. Although the two-parameter…

Nuclear Theory · Physics 2022-05-16 Rui Peng , Songlin Lyu , Sebastian König , Bingwei Long

We adopt the chiral perturbation theory to calculate the $\Sigma_{c}^{(*)}\bar{D}^{(*)}$ interaction to the next-to-leading order (NLO) and include the couple-channel effect in the loop diagrams. We reproduce the three $P_c$ states in the…

High Energy Physics - Phenomenology · Physics 2019-11-22 Lu Meng , Bo Wang , Guang-Juan Wang , Shi-Lin Zhu

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

Studies of the baryon-baryon interaction involving hyperons within chiral effective field theory, so far performed up to next-to-leading order (NLO) in the chiral expansion, have shown that for the strangeness $S=-1$ ($\Lambda N$, $\Sigma…

Nuclear Theory · Physics 2022-01-21 J. Haidenbauer , U. -G. Meißner

The spatial behavior of Landau levels (LLs) for the $nu=1$ quantum Hall regime at the edge of a wide channel is studied in a self-consistent way by using a generalized local density approximation proposed here. Both exchange interaction and…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 O. G. Balev , Nelson Studart

We study the chiral interactions of the hidden charm $D\bar{D}^*$ system within chiral effective field theory. Chiral Lagrangians are constructed by incorporating the chiral symmetry, heavy quark symmetry as well as proper charge…

High Energy Physics - Phenomenology · Physics 2022-03-02 Hao Xu

We study the $\Lambda(1520)D_{03}$ in a chiral coupled channel approach. This resonance appears as dynamically generated from the interaction of the decuplet of baryons and the octet of mesons in s-wave, and its treatment is improved here…

High Energy Physics - Phenomenology · Physics 2011-02-09 Sourav Sarkar , E. Oset , M. J. Vicente Vacas

This study investigates the femtoscopic correlation functions of charmonium-nucleon pairs, utilizing the lattice QCD phase shifts provided by the HAL QCD Collaboration. A ``model-independent'' formalism is employed to transform scattering…

High Energy Physics - Phenomenology · Physics 2025-09-09 Zhi-Wei Liu , Duo-Lun Ge , Jun-Xu Lu , Ming-Zhu Liu , Li-Sheng Geng

S-wave $K^-p$ scattering into various channels near threshold are analyzed in heavy-baryon chiral perturbation theory with $\Lambda (1405)$ introduced as an independent field. This is the approach that predicted the critical density…

High Energy Physics - Phenomenology · Physics 2015-06-25 Chang-Hwan Lee , Dong-Pil Min , Mannque Rho

We present our recent studies on hyperon-nucleon (YN) interactions in the strangeness S=-1 that $p\Lambda, \Sigma^0 p$ and $\Sigma^+ n$, by extracting corresponding potentials through Nambu-Bethe-Salpeter wave functions. We calculate…

High Energy Physics - Lattice · Physics 2012-03-16 Hidekatsu Nemura , for HAL QCD Collaboration

We study s-wave scattering of a hadron and a Nambu-Goldstone boson induced by the model-independent low energy interaction in the flavor SU(3) symmetric limit. Establishing the general structure of the low energy interaction based on group…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tetsuo Hyodo , Daisuke Jido , Atsushi Hosaka

A self-consistent treatment of exchange and correlation interactions in a quantum wire (QW) subject to a strong perpendicular magnetic field is presented using a modified local-density approximation (MLDA). The influence of many-body…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 O. G. Balev , P. Vasilopoulos

We present a coupled channel treatment of meson-meson dynamics, for systems with spin-parity $1^+$, and determine the corresponding amplitudes by solving the Bethe-Salpeter equations, which lead to the generation of two axial resonances…

High Energy Physics - Phenomenology · Physics 2024-08-13 K. P. Khemchandani , Luciano M. Abreu , A. Martinez Torres , F. S. Navarra

In this work, we investigate the interaction between the $\Omega$ baryon and the $s\bar{s}$ meson within the framework of the quark delocalization color screening model. The spectra calculations show that no bound state is formed in any of…

High Energy Physics - Phenomenology · Physics 2026-01-06 Ye Yan , Yuheng Wu , Yue Tan , Qi Huang , Hongxia Huang , Jialun Ping

The in-medium properties of a hyperon-nucleon potential, derived within chiral effective field theory and fitted to Lambda-N and Sigma-N scattering data, are investigated. Results for the single-particle potentials of the Lambda and Sigma…

Nuclear Theory · Physics 2015-02-02 J. Haidenbauer , Ulf-G. Meißner

The reaction $K^-p\rightarrow\Lambda\eta$ at low energies is studied with a chiral quark model approach. Good descriptions of the existing experimental data are obtained. It is found that $\Lambda(1670)$ dominates the reaction around…

Nuclear Theory · Physics 2013-12-16 Li-Ye Xiao , Xian-Hui Zhong

We consider nucleon-nucleon interactions from chiral effective field theory applying the N/D method. The case of coupled partial waves is now treated, extending Ref. [1] where the uncoupled case was studied. As a result three N/D…

Nuclear Theory · Physics 2015-06-03 M. Albaladejo , J. A. Oller

We analyze the invariant mass spectrum of Lambda-Lambda in $^{12}C(K^-,K^+ Lambda Lambda)$ reaction at P(K^+)=1.65 GeV/c by using a combined framework of IntraNuclear Cascade (INC) model and the correlation function technique. The observed…

Nuclear Theory · Physics 2009-10-31 A. Ohnishi , Y. Hirata , Y. Nara , S. Shinmura , Y. Akaishi

We evaluate for the first time the $\eta^\prime p$ femtoscopic correlation function to study the $\eta^\prime N$ interaction. We find it extremely sensitive to the value of the $\eta^\prime p$ scattering length, for which at present there…

Nuclear Theory · Physics 2025-11-18 Natsumi Ikeno
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