Hadronic form factor models and spectroscopy within the gauge/gravity correspondence

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We show that the nonperturbative light-front dynamics of relativistic hadronic bound states has a dual semiclassical gravity description on a higher dimensional warped AdS space in the limit of zero quark masses. This mapping of AdS gravity theory to the boundary quantum field theory, quantized at fixed light-front time, allows one to establish a precise relation between holographic wave functions in AdS space and the light-front wavefunctions describing the internal structure of hadrons. The resulting AdS/QCD model gives a remarkably good accounting of the spectrum, elastic and transition form factors of the light-quark hadrons in terms of one parameter, the ... continued below

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73 pages

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de Teramond, Guy F.; U., /Costa Rica; Brodsky, Stanley J. & /SLAC March 20, 2012.

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We show that the nonperturbative light-front dynamics of relativistic hadronic bound states has a dual semiclassical gravity description on a higher dimensional warped AdS space in the limit of zero quark masses. This mapping of AdS gravity theory to the boundary quantum field theory, quantized at fixed light-front time, allows one to establish a precise relation between holographic wave functions in AdS space and the light-front wavefunctions describing the internal structure of hadrons. The resulting AdS/QCD model gives a remarkably good accounting of the spectrum, elastic and transition form factors of the light-quark hadrons in terms of one parameter, the QCD gap scale. The light-front holographic approach described here thus provides a frame-independent first approximation to the light-front Hamiltonian problem for QCD. This article is based on lectures at the Niccolo Cabeo International School of Hadronic Physics, Ferrara, Italy, May 2011.

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73 pages

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  • InvitedNiccol\`o Cabeo International School of Hadronic Physics, Ferrara, Italy, May 2011., Ferrara Italy, 5/23/2011-5/28/2011

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  • Report No.: SLAC-PUB-14860
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 1036964
  • Archival Resource Key: ark:/67531/metadc832623

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  • March 20, 2012

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  • May 19, 2016, 3:16 p.m.

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  • Nov. 28, 2016, 7:32 p.m.

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de Teramond, Guy F.; U., /Costa Rica; Brodsky, Stanley J. & /SLAC. Hadronic form factor models and spectroscopy within the gauge/gravity correspondence, article, March 20, 2012; United States. (digital.library.unt.edu/ark:/67531/metadc832623/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.