Derivative sources in lattice spectroscopy of excited light-quark mesons

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We construct efficient interpolating fields for lattice spectroscopy of mesons by applying covariant derivatives on Jacobi smeared quark sources. These interpolators are tested in a quenched calculation of excited mesons based on the variational method. We present results for pseudoscalar, scalar, vector and pseudovector mesons.
10 pages, tables added, final version

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High Energy Physics - Lattice

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http://salesiana.dossiersoluciones.com/handle/123456789/205452

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0802.2020
 http://arxiv.org/abs/0802.2020
 Phys.Rev.D78:034501,2008
 doi:10.1103/PhysRevD.78.034501

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