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An AdS/QCD model from Sen's tachyon action

I. Iatrakis 1 E. Kiritsis 2 A. Paredes 3
APC (UMR_7164) - AstroParticule et Cosmologie, Institut für theoretische Physik
Abstract : We construct a new, simple phenomenological model along the lines of AdS/QCD. The essential new ingredient is the brane-antibrane effective action including the open string tachyon proposed by Sen. Chiral symmetry breaking happens because of tachyon dynamics. We fit a large number of low-spin meson masses at the 10%-15% level. The only free parameters involved in the fits correspond to the overall QCD-scale and the quark masses. Several aspects of previous models are qualitatively improved.
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Submitted on : Thursday, July 5, 2012 - 9:34:35 PM
Last modification on : Thursday, November 18, 2021 - 3:58:02 AM

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I. Iatrakis, E. Kiritsis, A. Paredes. An AdS/QCD model from Sen's tachyon action. Physical Review D, American Physical Society, 2010, 81, pp.115004. ⟨10.1103/PhysRevD.81.115004⟩. ⟨in2p3-00714896⟩



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