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9 papers · 2 filters
Vortex Scattering and Intercommuting Cosmic Strings on a Noncommutative Spacetime
Anosh Joseph, Mark Trodden
We study the scattering of noncommutative vortices, based on the noncommutative field theory developed in [Phys. Rev. D 75, 045009 (2007)], as a way to understand the interaction o…
Enhanced Tau Lepton Signatures at LHC in Constrained Supersymmetric Seesaw
Kenji Kadota, Jing Shao
We discuss the possible enhancement of the tau lepton events at LHC when the left-handed stau doublet becomes light (which can be even lighter than the right-handed stau). This is…
Perturbed S3 neutrinos
Renata jora, Joseph Schechter, M. Naeem Shahid
We study the effects of the perturbation which violates the permutation symmetry of three Majorana neutrinos but preserves the well known (23) interchange symmetry. This is done in…
Gauged linear sigma model and pion-pion scattering
Amir H. Fariborz, N. W. Park, Joseph Schechter +1
A simple gauged linear sigma model with several parameters to take the symmetry breaking and the mass differences between the vector meson and the axial vector meson into account i…
Topological Dark Matter in the Little Higgs Models
Anosh Joseph, S. G. Rajeev
We show that certain little Higgs models with symmetry breaking SU(N) -> SO(N) for N >= 4 admit topologically stable solitons that may contribute to cosmological dark matter. We ha…
Remark on pion scattering lengths
Deirdre Black, Amir H. Fariborz, Renata Jora +3
First it is shown that the tree amplitude for pion pion scattering in the minimal linear sigma model has an exact expression which is proportional to a geometric series in the quan…