First results of baryon interactions from lattice QCD with physical masses (1) - General overview and two-nucleon forces

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

First results of baryon interactions from lattice QCD with physical masses (1) - General overview and two-nucleon forces

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

Research output: Contribution to journal › Conference article › peer-review

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Abstract

We present the lattice QCD studies for baryon-baryon interactions for the first time with (almost) physical quark masses. N_f = 2+1 gauge configurations are generated with the Iwasaki gauge action and nonperturbatively O(a)-improved Wilson quark action with stout smearing on the lat-Tice of (96a)⁴ ≃ (8:2fm)⁴ with a ≃ 0:085 fm, where mπ ≃ 146 MeV and m_k ≃ 525 MeV. Baryon forces are calculated from Nambu-Bethe-Salpeter (NBS) correlation functions using the time- dependent HAL QCD method. In this report, we first give the general overview of the theoretical frameworks essential to the physical point calculation of baryon forces. We then present the nu- merical results for the two-nucleon central and tensor forces in ³S₁-³D₁ coupled channel and the central force in ¹S₀ channel. In particular, a clear signal is obtained for the tensor force.

Original language	English
Article number	086
Journal	Proceedings of Science
Volume	14-18-July-2015
Publication status	Published - 2015
Externally published	Yes
Event	33rd International Symposium on Lattice Field Theory, LATTICE 2015 - Kobe, Japan Duration: Jul 14 2015 → Jul 18 2015

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@article{1e848fc8e506471ea19dc9ad93f359f6,

title = "First results of baryon interactions from lattice QCD with physical masses (1) - General overview and two-nucleon forces",

abstract = "We present the lattice QCD studies for baryon-baryon interactions for the first time with (almost) physical quark masses. Nf = 2+1 gauge configurations are generated with the Iwasaki gauge action and nonperturbatively O(a)-improved Wilson quark action with stout smearing on the lat-Tice of (96a)4 ≃ (8:2fm)4 with a ≃ 0:085 fm, where mπ ≃ 146 MeV and mk ≃ 525 MeV. Baryon forces are calculated from Nambu-Bethe-Salpeter (NBS) correlation functions using the time- dependent HAL QCD method. In this report, we first give the general overview of the theoretical frameworks essential to the physical point calculation of baryon forces. We then present the nu- merical results for the two-nucleon central and tensor forces in 3S1-3D1 coupled channel and the central force in 1S0 channel. In particular, a clear signal is obtained for the tensor force.",

author = "Takumi Doi and Sinya Aoki and Shinya Gongyo and Tetsuo Hatsuda and Yoichi Ikeda and Takashi Inoue and Takumi Iritani and Noriyoshi Ishii and Takaya Miyamoto and Keiko Murano and Hidekatsu Nemura and Kenji Sasaki",

year = "2015",

language = "English",

volume = "14-18-July-2015",

journal = "Proceedings of Science",

issn = "1824-8039",

publisher = "Sissa Medialab Srl",

note = "33rd International Symposium on Lattice Field Theory, LATTICE 2015 ; Conference date: 14-07-2015 Through 18-07-2015",

}

TY - JOUR

T1 - First results of baryon interactions from lattice QCD with physical masses (1) - General overview and two-nucleon forces

AU - Doi, Takumi

AU - Aoki, Sinya

AU - Gongyo, Shinya

AU - Hatsuda, Tetsuo

AU - Ikeda, Yoichi

AU - Inoue, Takashi

AU - Iritani, Takumi

AU - Ishii, Noriyoshi

AU - Miyamoto, Takaya

AU - Murano, Keiko

AU - Nemura, Hidekatsu

AU - Sasaki, Kenji

PY - 2015

Y1 - 2015

N2 - We present the lattice QCD studies for baryon-baryon interactions for the first time with (almost) physical quark masses. Nf = 2+1 gauge configurations are generated with the Iwasaki gauge action and nonperturbatively O(a)-improved Wilson quark action with stout smearing on the lat-Tice of (96a)4 ≃ (8:2fm)4 with a ≃ 0:085 fm, where mπ ≃ 146 MeV and mk ≃ 525 MeV. Baryon forces are calculated from Nambu-Bethe-Salpeter (NBS) correlation functions using the time- dependent HAL QCD method. In this report, we first give the general overview of the theoretical frameworks essential to the physical point calculation of baryon forces. We then present the nu- merical results for the two-nucleon central and tensor forces in 3S1-3D1 coupled channel and the central force in 1S0 channel. In particular, a clear signal is obtained for the tensor force.

AB - We present the lattice QCD studies for baryon-baryon interactions for the first time with (almost) physical quark masses. Nf = 2+1 gauge configurations are generated with the Iwasaki gauge action and nonperturbatively O(a)-improved Wilson quark action with stout smearing on the lat-Tice of (96a)4 ≃ (8:2fm)4 with a ≃ 0:085 fm, where mπ ≃ 146 MeV and mk ≃ 525 MeV. Baryon forces are calculated from Nambu-Bethe-Salpeter (NBS) correlation functions using the time- dependent HAL QCD method. In this report, we first give the general overview of the theoretical frameworks essential to the physical point calculation of baryon forces. We then present the nu- merical results for the two-nucleon central and tensor forces in 3S1-3D1 coupled channel and the central force in 1S0 channel. In particular, a clear signal is obtained for the tensor force.

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UR - http://www.scopus.com/inward/citedby.url?scp=84988589221&partnerID=8YFLogxK

M3 - Conference article

AN - SCOPUS:84988589221

SN - 1824-8039

VL - 14-18-July-2015

JO - Proceedings of Science

JF - Proceedings of Science

M1 - 086

T2 - 33rd International Symposium on Lattice Field Theory, LATTICE 2015

Y2 - 14 July 2015 through 18 July 2015

ER -

First results of baryon interactions from lattice QCD with physical masses (1) - General overview and two-nucleon forces

Abstract

All Science Journal Classification (ASJC) codes

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