Browsing Research and Publications - Department of Physics & Astronomy by Subject "Particle physics"

Browsing Research and Publications - Department of Physics & Astronomy by Subject "Particle physics"

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  • Okada, Nobuchika (American Physical Society, 2008-01-14)
    Existence of color sextet diquark Higgs fields with TeV masses will indicate a fundamentally different direction for unification than conventional grand unified theories. One class of models where they appear naturally is ...
  • Okada, Nobuchika (American Physical Society, 2014-10-21)
    We consider a simple extension of the type-II two-Higgs-doublet model by introducing a real scalar as a candidate for dark matter in the present Universe. The main annihilation mode of the dark matter particle with a mass ...
  • Okada, Nobuchika (American Physical Society, 2006-03-17)
    The thermal relic density of W-ino-like neutralino dark matter in brane world cosmology is studied. The expansion law at a high energy regime in brane world cosmology is modified from the one in standard cosmology, and the ...
  • Okada, Nobuchika (American Physical Society, 2004-10-26)
    We investigate the thermal relic density of cold dark matter in the context of brane world cosmology. Since the expansion law in a high energy regime is modified from the one in the standard cosmology, if the dark matter ...
  • Okada, Nobuchika (American Physical Society, 2007-05-18)
    In the Randall-Sundrum model, we study top-antitop pair production and top spin correlations at the Large Hadron Collider. In addition to the standard model processes, there is a new contribution to the top-antitop pair ...

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