Relativistic Symmetry Suppresses Quark Spin-Orbit Splitting

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Experimental data indicate small spin-orbit splittings in hadrons. For heavy-light mesons we identify a relativistic symmetry that suppresses these splittings. We suggest an experimental test in electron-positron annihilation. Furthermore, we argue that the dynamics necessary for this symmetry are possible in QCD.
16 pages, LaTeX. Two postscript figures. Final version to be published in Physical Review Letters

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High Energy Physics - Phenomenology, High Energy Physics - Lattice, Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/178809

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0002094
 http://arxiv.org/abs/hep-ph/0002094
 Phys.Rev.Lett.86:204-207,2001
 doi:10.1103/PhysRevLett.86.204

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