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Orientifold Planar Equivalence: The Quenched Meson Spectrum / Agostino Patella, Antonio Rago, Gregory Moraitis, Biagio Lucini

Volume: "LATTICE2010", Start page: 063

Swansea University Author: Biagio Lucini

Abstract

A numerical study of Orientifold Planar Equivalence is performed in SU(N) Yang-Mills theories for N=2,3,4,6. Quenched meson masses are extracted in the antisymmetric, symmetric and adjoint representations for the pseudoscalar and vector channels. An extrapolation of the vector mass as a function of...

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Published: 2010
Online Access: http://inspirehep.net/record/874715
URI: https://cronfa.swan.ac.uk/Record/cronfa27923
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Abstract: A numerical study of Orientifold Planar Equivalence is performed in SU(N) Yang-Mills theories for N=2,3,4,6. Quenched meson masses are extracted in the antisymmetric, symmetric and adjoint representations for the pseudoscalar and vector channels. An extrapolation of the vector mass as a function of the pseudoscalar mass to the large-N limit shows that the numerical results agree within errors for the three theories, as predicted by Orientifold Planar Equivalence. As a byproduct of the extrapolation, the size of the corrections up to O(1/N^3) are evaluated. A crucial prerequisite for the extrapolation is the determination of an analytical relationship between the corrections in the symmetric and in the antisymmetric representations, order by order in a 1/N expansion.
College: College of Science
Start Page: 063