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Heavy Quarkonium Potential and inclusive decay widths in terms of Wilson loops
Antonio Pineda
We briefly summarize some results obtained by potential NRQCD in the non perturbative regime: 1) a systematic procedure to obtain the heavy quarkonium potential in the 1/m expansio…
The static potential: lattice versus perturbation theory in a renormalon-based approach
Antonio Pineda
We compare, for the static potential and at short distances, perturbation theory with the results of lattice simulations. We show that a renormalon-dominance picture explains why i…
Inclusive Decays of Heavy Quarkonium to Light Particles
Nora Brambilla, Dolors Eiras, Antonio Pineda +2
We derive the imaginary part of the potential NRQCD Hamiltonian up to order 1/m^4, when the typical momentum transfer between the heavy quarks is of the order of Lambda_{QCD} or gr…
Renormalization group improvement of the spectrum of Hydrogen-like atoms with massless fermions
Antonio Pineda
We obtain the next-to-next-to-leading-log renormalization group improvement of the spectrum of Hydrogen-like atoms with massless fermions by using potential NRQED. These results ca…