Nuclear forces in the parity odd sector and the LS forces

Details Nuclear forces in the parity odd sector and the LS forces Nuclear forces in the parity odd sector and the LS forces

2011-12-09

arxiv.org/abs/1112.2051v1

PoS (Lattice 2011) 319

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 4 figures, poster presented at the XXIX International Symposium on Lattice Field Theory (Lattice 2011), Squaw Valley,

Scientific paper

In this paper, we report our first attempt at determining NN potentials in the parity odd sector including the spin-orbit force in lattice QCD, employing the method to extract successfully parity even NN potentials from Nambu-Bethe-Salpeter (NBS) wave functions through the Schr\"odinger equation. Using Nf = 2 CP-PACS gauge configurations on a 16^3 x 32 lattice at a = 0.16 fm and m_\pi \cong 1.1 GeV, we calculate central, tensor and spin-orbit potentials in the parity odd sector. Although statistical errors are still large, we observe that the qualitative features of these potentials roughly agree with those of phenomenological potentials.

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