QQ-onia package: a numerical solution to the Schrodinger radial equation for heavy quarkonium
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QQ-onia package: a numerical solution to the Schrodinger radial equation for heavy quarkonium

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QQ-onia package: a numerical solution to the Schrodinger radial equation for heavy quarkonium

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Doménech Garret, Juan Luis; Sanchis Lozano, Miguel Ángel
Aquest document és un/a article, creat/da en: 2009
This paper presents the basics of the QQ-onia package, a software based upon the Numerov method which can be used to solve the Schrodinger radial equation using a suitable potential V(r) for the heavy quarkonium system. This package also allows the analysis of relevant properties of those resonances such as the wave functions at the origin, their corresponding derivatives for l \neq 0 states, typical heavy quark velocities, and mean square radii. Besides, it includes a tool to analize the spin-dependent contributions to the heavy quarkonia spectrum, providing the hyperfine splittings, as well as the nPJ energy levels. Finally, a simple software implemented in QQ-onia to compute E1 transition rates is presented.

    Doménech Garret, Juan Luis Sanchis Lozano, Miguel Ángel 2009 QQ-onia package: a numerical solution to the Schrodinger radial equation for heavy quarkonium Computer Physics Communications 180 5 768 778
http://dx.doi.org/10.1016/j.cpc.2008.11.011
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