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The Nc dependencies of baryon masses: Analysis with Lattice QCD and Effective Theory

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abstract

Baryon masses at varying values of Nc and light quark masses are studied with Lattice QCD and the results are analyzed in a low energy effective theory based on a combined framework of the 1/Nc and Heavy Baryon Chiral Perturbation Theory expansions. Lattice QCD results for Nc = 3, 5 and 7 obtained in quenched calculations, as well as results for unquenched calculations for Nc = 3, are used for the analysis. The results are consistent with a previous analysis of Nc = 3 Lattice QCD results, and in addition permit the determination of sub-leading in 1/Nc effects in the spin-flavor singlet component of the baryon masses as well as in the hyperfine splittings.

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hep-th 1

years

2019 1

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UNVERDICTED 1

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Lattice methods for students at a formal TASI

hep-th · 2019-07-05 · unverdicted · novelty 0.0

Lecture notes on lattice methods for formal TASI students covering basics, confinement, chiral fermions, and case studies in the 3D Ising model and QCD.

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  • Lattice methods for students at a formal TASI hep-th · 2019-07-05 · unverdicted · none · ref 110 · internal anchor

    Lecture notes on lattice methods for formal TASI students covering basics, confinement, chiral fermions, and case studies in the 3D Ising model and QCD.