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Implications of D^0-\overline D^0 Mixing for New Physics

Description: We provide a comprehensive, up-to-date analysis of possible New Physics contributions to the mass difference {Delta}M{sub D} in D{sup 0}-{bar D}{sup 0} mixing. We consider the most general low energy effective Hamiltonian and include leading order QCD running of effective operators. We then explore an extensive list of possible New Physics models that can generate these operators, which we organize as including Extra Fermions, Extra Gauge Bosons, Extra Scalars, Extra Space Dimensions and Extra … more
Date: June 8, 2007
Creator: Golowich, Eugene; Hewett, JoAnne; Pakvasa, Sandip & Petrov, Alexey A.
Partner: UNT Libraries Government Documents Department
open access

Twistor String Theory and QCD

Description: The author reviews recent progress in using twistor-inspired methods to compute perturbative scattering amplitudes in gauge theory, for application to collider physics.
Date: December 8, 2005
Creator: Dixon, Lance J.
Partner: UNT Libraries Government Documents Department
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