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Aspects of charmonium physics in Lattice QCD

Abstract : Charmonium states provide a relevant source of knowledge for determining fundamental parameters of the Standard Model. An important aspect of understanding Quantum ChromoDynamics (QCD) is to make precise predictions of the hadron spectrum and to test them against high-quality experimental data. Our theoretical framework is Lattice QCD, which is considered to be the only known way to treat the full QCD Lagrangian non perturbatively from first principles, in a manner well suited to numerical computation. By using the Wilson-Clover action with N_f = 2 dynamical flavors, we will study the two charmonium mesons eta_c and J/\psi. We will also investigate some properties of their first radial excitations eta_c(2S) and psi(2S).
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Submitted on : Wednesday, January 16, 2019 - 11:07:14 AM
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2018CLFAC025_BAILAS.pdf
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  • HAL Id : tel-01983083, version 1

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Gabriela Bailas. Aspects of charmonium physics in Lattice QCD. Nuclear Experiment [nucl-ex]. Université Clermont Auvergne, 2018. English. ⟨NNT : 2018CLFAC025⟩. ⟨tel-01983083⟩

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