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15 papers · 1 filter
Model building by coset space dimensional reduction in eight-dimensions
Toshifumi Jittoh, Masafumi Koike, Takaaki Nomura +2
We investigate gauge-Higgs unification models in eight-dimensional spacetime where extra-dimensional space has the structure of a four-dimensional compact coset space. The combinat…
Long-Lived Slepton in the Coannihilation Region and Measurement of Lepton Flavour Violation at LHC
S. Kaneko, J. Sato, T. Shimomura +2
When the mass difference between the lightest slepton and the lightest neutralino is smaller than the tau mass, the lifetime of the lightest slepton in the constrained Minimal Supe…
Fourier Analysis of the Parametric Resonance in Neutrino Oscillations
Masafumi Koike, Toshihiko Ota, Masako Saito +1
Parametric enhancement of the appearance probability of the neutrino oscillation under the inhomogeneous matter is studied. Fourier expansion of the matter density profile leads to…
Model building by coset space dimensional reduction in ten-dimensions with direct product gauge symmetry
Toshifumi Jittoh, Masafumi Koike, Takaaki Nomura +2
We investigate ten-dimensional gauge theories whose extra six-dimensional space is a compact coset space, , and gauge group is a direct product of two Lie groups. We list up c…
Measuring Lepton Flavour Violation at LHC with Long-Lived Slepton in the Coannihilation Region
Satoru Kaneko, Joe Sato, Takashi Shimomura +2
When the mass difference between the lightest slepton, the NLSP, and the lightest neutralino, the LSP, is smaller than the tau mass, the lifetime of the lightest slepton increases…
Fourier Analysis of the Parametric Resonance of the Neutrino Oscillation in the Presence of Inhomogeneous Matter
Joe Sato, Masafumi Koike, Toshihiko Ota +1
We study the parametric resonance of the neutrino oscillation through the matter whose density varies spatially. The Fourier analysis of the matter effect enables us to clarify the…