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Hyperon–nucleon scattering from fully-dynamical lattice QCD

✍ Scribed by Silas R. Beane; Paulo F. Bedaque; Thomas C. Luu; Kostas Orginos; Elisabetta Pallante; Assumpta Parreño; Martin J. Savage

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
517 KB
Volume
794
Category
Article
ISSN
0375-9474

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✦ Synopsis

We present results of the first fully-dynamical lattice QCD determination of hyperon-nucleon scattering. One s-wave phase shift was determined for nΛ scattering in both spin-channels at pion masses of 350, 490 and 590 MeV, and for nΣ -scattering in both spin channels at pion masses of 490 and 590 MeV. The calculations were performed with domain-wall valence quarks on dynamical, staggered gauge configurations with a lattice spacing of b ∼ 0.125 fm.

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