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Título

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

AutorDoménech-Garrete, Juan L.; Sanchís Lozano, Miguel Ángel
Palabras claveHeavy quarkonium potential
Wave function at the origin
Fecha de publicación20-nov-2008
EditorElsevier
CitaciónComput.Phys.Commun.180:768-778,2009
ResumenThis paper presents the basics of the QQ-onia package, a software based upon the Numerov O(h(6)) 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 square of the wave functions at the origin, their corresponding derivatives for l not equal 0 states, typical heavy-quark velocities, and mean square radii. Besides, it includes a tool to analyze the spin dependent contributions to the heavy quarkonia spectrum, providing the splitting of n(3)S(1)-n(1)S(0), as well as the n(3)p(J) - n(1)P(1), energy levels. Finally a simple software implemented in QQ-onia to compute E1 transition rates is presented.
Descripción30 pages, 3 figures.-- ISI article identifier:000265158700009.-- ArXiv pre-print avaible at: http://arxiv.org/abs/0805.2704
Versión del editorhhtp://dx.doi.org/10.1016/j.cpc.2008.11.011
URIhttp://hdl.handle.net/10261/15853
DOI10.1016/j.cpc.2008.11.011
ISSN0010-4655
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