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Linear Collider Physics
Paul F. Derwent, Bogdan A. Dobrescu, Andreas S. Kronfeld +6
We report on a study of the physics potential of linear colliders. Although a linear collider (LC) would support a broad physics program, we focus on the contributions tha…
Proton Stability in Six Dimensions
Thomas Appelquist, Bogdan A. Dobrescu, Eduardo Ponton +1
We show that Lorentz and gauge invariance explain the long proton lifetime within the standard model in six dimensions. The baryon-number violating operators have mass dimension 15…
Universal Extra Dimensions and the Muon Magnetic Moment
Thomas Appelquist, Bogdan A. Dobrescu
We analyze the muon anomalous magnetic moment in the context of universal extra dimensions. Our computation shows that the bound from electroweak data on the size of these dimensio…
Unscrambling New Models for Higher-Energy Physics
Bogdan A. Dobrescu
There is strong evidence that new physical degrees of freedom and new phenomena exist and may be revealed in future collider experiments. The best hints of what this new physics mi…
Number of Fermion Generations Derived from Anomaly Cancellation
Bogdan A. Dobrescu, Erich Poppitz
We prove that global anomaly cancellation requires more than one generation of quarks and leptons, provided that the standard model fields propagate in two universal extra dimensio…