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Decay constants in AdS/QCD: a different approach
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abstract
The holographic recipe for the calculation of decay constants is revisited. Starting from the holographic 2-point function and using the fact that normalizable bulk modes scale as $z^{\Delta-S}$, with $S$ the spin, we can obtain a consistent expression that depends on the value of the mode at the boundary, not the derivative. We apply our decay constant expression to other AdS/QCD (static and dynamic) models proving its consistency. We also demonstrated that our approach is equivalent to the usual holographic prescription.
Forward citations
Cited by 3 Pith papers
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Heavy Quarkonium Spectrum and Decay Constants from a Neural-Network-Based Holographic Model
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Holographic quark masses and radiative decays of heavy vector mesons
The authors extract charm and bottom constituent quark masses and several quarkonium decay widths from AdS/QCD plus the Segre formula, obtaining order-of-magnitude agreement with experiment but no precise match.
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Confining potential in holographic bottom-up QCD from WKB
Starting from the D3/D7 vector meson spectrum, the paper reconstructs a hardwall-like confining potential via WKB inversion, then studies its mass spectrum, deconfinement temperature, and configurational entropy.
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