Baryon interactions from lattice QCD with physical masses -- S=-2 sector --
K. Sasaki*,
S. Aoki,
T. Doi,
S. Gongyo,
T. Hatsuda,
Y. Ikeda,
T. Inoue,
T. Iritani,
N. Ishii,
T. Miyamoto and
K. Murano*: corresponding author
Pre-published on:
March 06, 2017
Published on:
March 24, 2017
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 discuss the properties of the S=−2 baryon-baryon 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.
DOI: https://doi.org/10.22323/1.256.0116
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