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18 papers · 2 filters
A Note on Gaugino Masses in Kaluza-Klein/Radion Mediated SUSY Breaking
Kaustubh Agashe
We review the equivalence of two approaches to study theories with gauge fields in extra spatial dimensions, namely the ``4D'' approach (with KK states) and the ``5D'' approach (wi…
Basics of QCD Perturbation Theory: TASI 2000
Davison E. Soper
This is an introduction to the use of QCD perturbation theory, emphasizing generic features of the theory that enable one to separate short-time and long-time effects. I also cover…
Neutrino mixing in the seesaw model
T. K. Kuo, Shao-Hsuan Chiu, Guo-Hong Wu
In the seesaw model with hierarchical Dirac masses, the neutrino mixing angle exhibits the behavior of a narrow resonance. In general, the angle is strongly suppressed, but it can…
Remarks on models with singlet neutrino in large extra dimensions
Kaustubh Agashe, Guo-Hong Wu
Small Dirac masses for neutrinos are natural in models with singlet fermions in large extra dimensions with quantum gravity scale M_{\ast} \sim 1- 100 TeV. We study two modificatio…
Color transparency in deeply inelastic diffraction
F. Hautmann, D. E. Soper
We suggest a simple physical picture for the diffractive parton distributions that appear in diffractive deeply inelastic scattering. In this picture, partons impinging on the prot…
Anomaly Matching in Gauge Theories at Finite Matter Density
S. D. Hsu, F. Sannino, M. Schwetz
We investigate the application of 't Hooft's anomaly matching conditions to gauge theories at finite matter density. We show that the matching conditions constrain the low-energy q…