First results of baryon interactions from lattice QCD with physical masses (3) - Strangeness S = -2 two-baryon system

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

First results of baryon interactions from lattice QCD with physical masses (3) - Strangeness S = -2 two-baryon system

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

Experimental Particle Physics

Research output: Contribution to journal › Conference article

1 Citation (Scopus)

Abstract

We investigate the strangeness S = -2 two-baryon system by lattice QCD theory at nearly physical point with a huge lattice volume of La = 8.2fm generated on the K computer at AICS. Our approach (HAL QCD method) enable us to derive a potential from coupled channel Schrödinger equation using the Nambu-Bethe-Salpeter (NBS) wave functions. We report our latest results of the S = -2 baryon-baryon interactions focusing on the ¹S₀ with I = 0 channel where the Hdibaryon state is predicted by several model calculations.

Original language	English
Article number	088
Journal	Proceedings of Science
Volume	14-18-July-2015
Publication status	Published - 2015
Event	33rd International Symposium on Lattice Field Theory, LATTICE 2015 - Kobe, Japan Duration: Jul 14 2015 → Jul 18 2015

All Science Journal Classification (ASJC) codes

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Sasaki, K., Aoki, S., Doi, T., Gongyo, S., Hatsuda, T., Ikeda, Y., Inoue, T., Iritani, T., Ishii, N., Miyamoto, T., & Murano, K. (2015). First results of baryon interactions from lattice QCD with physical masses (3) - Strangeness S = -2 two-baryon system. Proceedings of Science, 14-18-July-2015, [088].

First results of baryon interactions from lattice QCD with physical masses (3) - Strangeness S = -2 two-baryon system. / Sasaki, Kenji; Aoki, Sinya; Doi, Takumi; Gongyo, Shinya; Hatsuda, Tetsuo; Ikeda, Yoichi; Inoue, Takashi; Iritani, Takumi; Ishii, Noriyoshi; Miyamoto, Takaya; Murano, Keiko.

In: Proceedings of Science, Vol. 14-18-July-2015, 088, 2015.

Research output: Contribution to journal › Conference article

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abstract = "We investigate the strangeness S = -2 two-baryon system by lattice QCD theory at nearly physical point with a huge lattice volume of La = 8.2fm generated on the K computer at AICS. Our approach (HAL QCD method) enable us to derive a potential from coupled channel Schr{\"o}dinger equation using the Nambu-Bethe-Salpeter (NBS) wave functions. We report our latest results of the S = -2 baryon-baryon interactions focusing on the 1S0 with I = 0 channel where the Hdibaryon state is predicted by several model calculations.",

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

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AU - Sasaki, Kenji

AU - Aoki, Sinya

AU - Doi, Takumi

AU - Gongyo, Shinya

AU - Hatsuda, Tetsuo

AU - Ikeda, Yoichi

AU - Inoue, Takashi

AU - Iritani, Takumi

AU - Ishii, Noriyoshi

AU - Miyamoto, Takaya

AU - Murano, Keiko

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AB - We investigate the strangeness S = -2 two-baryon system by lattice QCD theory at nearly physical point with a huge lattice volume of La = 8.2fm generated on the K computer at AICS. Our approach (HAL QCD method) enable us to derive a potential from coupled channel Schrödinger equation using the Nambu-Bethe-Salpeter (NBS) wave functions. We report our latest results of the S = -2 baryon-baryon interactions focusing on the 1S0 with I = 0 channel where the Hdibaryon state is predicted by several model calculations.

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