Hadron–hadron interactions from imaginary-time Nambu–Bethe–Salpeter wave function on the lattice

By The Hal Qcd Collaboration Noriyoshi Ishii, S. Aoki, T. Doi, T. Hatsuda, Y. Ikeda, T. Inoue, K. Murano, H. Nemura, K. Sasaki. 2012

213 citations recorded by the source corpus.

Abstract Imaginary-time Nambu–Bethe–Salpeter (NBS) wave function is introduced to extend our previous approach for hadron–hadron interactions on the lattice. Scattering states of hadrons with different energies encoded in the NBS wave function are utilized to extract non-local hadron–hadron potential. “The ground state saturation”, which is commonly used in lattice QCD but is hard to be achieved for multi-baryons, is not required. We demonstrate that the present method works efficiently for the nucleon–nucleon interaction (the potential and the phase shift) in the S 0 1 channel.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/6f5b3b4ba39ff472132942143931d60aae68543c

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Citations in the corpus

• Scattering processes and resonances from lattice QCD (2017, methodology): “Lastly we consider the potential method, which has been championed by the HAL QCD collaboration (Aoki et al., 2012a, 2010, 2013; Ishii et al., 2012, 2007).”
• Exotics: Heavy pentaquarks and tetraquarks (2017, methodology): “This is studied by the method of coupled-channel scattering involving the final states DD̄∗, πJ/ψ and ρηc, for which the HALQCD approach [81] is used.”