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Communication Dans Un Congrès Année : 2017

Lambda-Nucleon and Sigma-Nucleon interactions from lattice QCD with physical masses

Hidekatsu Nemura
  • Fonction : Auteur
Sinya Aoki
  • Fonction : Auteur
Takumi Doi
  • Fonction : Auteur
Tetsuo Hatsuda
  • Fonction : Auteur
Yoichi Ikeda
  • Fonction : Auteur
Takashi Inoue
  • Fonction : Auteur
Takumi Iritani
  • Fonction : Auteur
Noriyoshi Ishii
  • Fonction : Auteur
Takaya Miyamoto
  • Fonction : Auteur
Keiko Murano
  • Fonction : Auteur
Kenji Sasaki
  • Fonction : Auteur

Résumé

We present our recent study on baryon-baryon ($BB$) interactions from lattice QCD with almost physical quark masses corresponding to $(m_\pi,m_K)\approx(146,525)$ MeV and large volume $(La)^4=(96a)^4\approx$ (8.1 fm)$^4$. In order to perform a comprehensive study of $BB$ interactions based on lattice QCD calculation with almost physical masses and to make better use of such large scale computer resources, a large number of $BB$ interactions from $NN$ to $\Xi\Xi$ are calculated simultaneously. In this report, we focus on the strangeness $S=-1$ channels of the hyperon interactions by means of HAL QCD method. The coupled-channel HAL QCD method is briefly outlined. The snapshots of central and tensor potentials in $^1S_0$ and $^3S_1-^3D_1$ channels are presented for $\Lambda N$, $\Sigma N$ (both the isospin $I=1/2, 3/2$) and their coupled-channel systems.

Dates et versions

hal-01554424 , version 1 (03-07-2017)

Identifiants

Citer

Hidekatsu Nemura, Sinya Aoki, Takumi Doi, Shinya Gongyo, Tetsuo Hatsuda, et al.. Lambda-Nucleon and Sigma-Nucleon interactions from lattice QCD with physical masses. 34th International Symposium on Lattice Field Theory, Jul 2016, Southampton, United Kingdom. pp.101, ⟨10.22323/1.256.0101⟩. ⟨hal-01554424⟩
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