Baryon interactions from lattice QCD with physical masses -- S=-2 sector --
Abstract
The strangeness S=-2 baryon-baryon interaction is investigated directly from the fundamental theory of the strong interaction, QCD. The HAL QCD method enables us to extract baryon interactions from the Nambu-Bethe-Salpeter wave functions without using any experimental information. We present our latest result on the S = -2 baryon interactions and discuss the H-dibaryon state using potentials which are calculated by using the (almost) physical point gauge configurations with large lattice volume of(8.1fm)4 generated on the K-computer.
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