458 citations
- Williams (United States)US99 papers
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14 papers · 2 filters
Recent Results in AdS/QCD
Joshua Erlich
AdS/QCD is an extra-dimensional approach to modeling the light hadronic resonances in QCD. AdS/QCD models are generally successful at reproducing low-energy observables with around…
D-state effects in the electromagnetic N-Delta transition
G. Ramalho, M. T. Pena, Franz Gross
We consider here a manifestly covariant quark model of the nucleon and the Delta, where one quark is off-shell and the other two quarks form an on-shell diquark pair. Using this mo…
A Higher-Derivative Lee-Wick Standard Model
Christopher D. Carone, Richard F. Lebed
The Lee-Wick Standard Model assumes a minimal set of higher-derivative quadratic terms that produce a negative-norm partner for each Standard Model particle. Here we introduce addi…
Chiral extrapolation of octet-baryon charge radii
P. Wang, D. B. Leinweber, A. W. Thomas +1
The charge radii of octet-baryons obtained in quenched lattice-QCD calculations are extrapolated within heavy-baryon chiral perturbation theory. Finite-range regularization (FRR) i…
Hadronic Momentum Densities in the Transverse Plane
Zainul Abidin, Carl E. Carlson
We examine the spatial density within extended objects of the momentum component , and find relativistically exact connections to Fourier transforms of gravitational form fact…
Empirical transverse charge densities in the deuteron
Carl E. Carlson, Marc Vanderhaeghen
Using the recent empirical information on the deuteron electromagnetic form factors we map out the transverse charge density in the deuteron as viewed from a light front moving tow…