PoS - Proceedings of Science
Volume 396 - The 38th International Symposium on Lattice Field Theory (LATTICE2021) - Oral presentation
Lambda-Nucleon and Sigma-Nucleon potentials from space-time correlation function on the lattice
H. Nemura
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Pre-published on: May 16, 2022
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The hyperon-nucleon interaction with the strangeness S=-1 region is complicated and difficult to investigate because its flavor sector involves all the irreducible representation except the flavor singlet and has the worst signal-to-noise ratio among the strangeness regions. In order to overcome such difficulties the content of this report is twofold: (i) We present an implementation of extended effective baryon block algorithm. This is a straightforward extension of the original which was reported in LATTICE 2013. (ii) We perform single channel analysis for the \Lambda N system at nearly physical quark masses corresponding to (m_\pi, m_K) = (146, 525) MeV and large volume (La)^4 = (96a)^4 ≈ (8.1 fm)^4. Scattering phase shifts for \Lambda N system are presented.
DOI: https://doi.org/10.22323/1.396.0272
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