Towards Lattice QCD Baryon Forces at the Physical Point: First Results | Zendy

Takumi Doi | Zendy; Sinya Aoki | Zendy; Shinya Gongyo | Zendy; Tetsuo Hatsuda | Zendy; Yoichi Ikeda | Zendy; Takashi Inoue | Zendy; Takumi Iritani | Zendy; Noriyoshi Ishii | Zendy; Takaya Miyamoto | Zendy; Keiko Murano | Zendy; Hidekatsu Nemura | Zendy; Kenji Sasaki | Zendy

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Towards Lattice QCD Baryon Forces at the Physical Point: First Results

Author(s) -

Takumi Doi,

Sinya Aoki,

Shinya Gongyo,

Tetsuo Hatsuda,

Yoichi Ikeda,

Takashi Inoue,

Takumi Iritani,

Noriyoshi Ishii,

Takaya Miyamoto,

Keiko Murano,

Hidekatsu Nemura,

Kenji Sasaki

Publication year - 2017

Publication title -

proceedings of the 12th international conference on hypernuclear and strange particle physics (hyp2015)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.7566/jpscp.17.052001

Subject(s) - lattice qcd , baryon , physics , quantum chromodynamics , lattice (music) , particle physics , point (geometry) , mathematics , geometry , acoustics

Lattice QCD calculations of baryon forces are performed for the first time with (almost) physical quark masses. = 2 + 1 dynamical clover fermion gauge configurations are generated at the lattice spacing of a \( \simeq \) 0.085 fm on a (96a)^4 \( \simeq \) (8.2 fm)^4 lattice with quark masses corresponding to (m_π,m_K) \( \simeq \) (146,525) MeV. Baryon forces are calculated using the time-dependent HAL QCD method. In this report, we study ΞΞ and NN systems both in ^1S_0 and ^3S_1–^3D_1 channels, and the results for the central and tensor forces as well as phase shifts in the ΞΞ (^1S_0) channel are presented.

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