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- W4297581710 abstract "We present preliminary results from a lattice QCD calculation of the H-dibaryon using two flavors of $mathcal{O}(a)$ improved Wilson fermions. We employ local six-quark interpolating operators at the source with a combination of local six-quark and two-baryon operators at the sink with the appropriate quantum numbers of the H-dibaryon and its coupling to the two-baryon channels. We find that the two-baryon operators provide an improved overlap onto the ground state in comparison to the local six-quark operators. We also apply Luscher's finite volume formalism to obtain information on the nature of the infinite-volume interaction of two particles. Further, the momentum projection to three moving frames enables the isolation of the pole in the infinite-volume scattering amplitude. Preliminary results at pion masses of 450 MeV and 1 GeV clearly indicate the presence of states below the $Lambda Lambda$ threshold while a finite-volume analysis fails to conclusively show the existence of an infinite-volume bound state." @default.
- W4297581710 created "2022-09-30" @default.
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- W4297581710 date "2015-11-05" @default.
- W4297581710 modified "2023-09-30" @default.
- W4297581710 title "Search for the H-Dibaryon in two flavor Lattice QCD" @default.
- W4297581710 doi "https://doi.org/10.48550/arxiv.1511.01849" @default.
- W4297581710 hasPublicationYear "2015" @default.
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