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Supersymmetric Noncommutative QED and Lorentz Violation
Carl E. Carlson, Christopher D. Carone, Richard F. Lebed
We consider Lorentz-violating operators induced at the loop level in softly-broken supersymmetric noncommutative QED. Dangerous operators forbidden in the supersymmetric limit are…
Baryon Charge Radii and Quadrupole Moments in the 1/N_c Expansion: The 3-Flavor Case
Alfons J. Buchmann, Richard F. Lebed
We develop a straightforward method to compute charge radii and quadrupole moments for baryons both with and without strangeness, when the number of QCD color charges is N_c. The m…
Quadrupole Moments of N and Delta in the 1/N_c Expansion
Alfons J. Buchmann, Janice A. Hester, Richard F. Lebed
We calculate expressions for the quadrupole moments of nonstrange baryons in which the number of QCD color charges is N_c. Using only the assumption of single-photon exchange, we o…