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Properties of Charmonium in Lattice QCD with 2+1 Flavors of Improved Staggered Sea Quarks

Properties of Charmonium in Lattice QCD with 2+1 Flavors of Improved Staggered Sea Quarks
Author:
Publisher:
Total Pages: 3
Release: 2004
Genre:
ISBN:

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We use the dynamical gluon configurations provided by the MILC collaboration in a study of the charmonium spectrum and [psi] leptonic width. We examine sea quark effects on mass splitting and on the leptonic decay matrix element for light masses as low as m{sub s}/5, while keeping the strange quark mass fixed and the lattice spacing nearly constant.


Lattice

Lattice
Author:
Publisher:
Total Pages: 984
Release: 2004
Genre: Field theory (Physics)
ISBN:

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Lattice 2003

Lattice 2003
Author:
Publisher:
Total Pages: 994
Release: 2004
Genre: Lattice field theory
ISBN:

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Aspects of Charmonium Physics in Lattice QCD

Aspects of Charmonium Physics in Lattice QCD
Author: Gabriela Bailas
Publisher:
Total Pages: 0
Release: 2018
Genre:
ISBN:

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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).


High Energy Physics

High Energy Physics
Author:
Publisher: World Scientific
Total Pages: 81
Release: 1981
Genre:
ISBN: 981447651X

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Hadronic Physics with Domain-wall Valence and Improved Staggered Sea Quarks

Hadronic Physics with Domain-wall Valence and Improved Staggered Sea Quarks
Author: R. Edwards
Publisher:
Total Pages:
Release: 2004
Genre:
ISBN:

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With the advent of chiral fermion formulations, the simulation of light valence quarks has finally become realistic for numerical simulations of lattice QCD. The simulation of light dynamical quarks, however, remains one of the major challenges and is still an obstacle to realistic simulations. We attempt to meet this challenge using a hybrid combination of Asqtad sea quarks and domain-wall valence quarks. Initial results for the proton form factor and the nucleon axial coupling are presented.