232 citations · 1.1k across the 20 of their papers we have counts for
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hep-ph2005★ 18 cited
Light wino dark matter in brane world cosmology
Takeshi Nihei, Nobuchika Okada, Osamu Seto
The thermal relic density of the wino-like neutralino dark matter in the brane world cosmology is studied. The expansion law at a high energy regime in the brane world cosmology is…
hep-ph2005★ 6 cited
Suppression of the neutralino relic density with supersymmetric CP violation
Takeshi Nihei
We study pair annihilations of the neutralino dark matter in the minimal supersymmetric standard model with CP violation. We consider the case that the higgsino mass and the trilin…
hep-ph2005★ 4 cited
Nucleon Edm from Atomic Systems and Constraints on Supersymmetry Parameters
Sachiko Oshima, Takeshi Nihei, Takehisa Fujita
The nucleon EDM is shown to be directly related to the EDM of atomic systems. From the observed EDM values of the atomic Hg system, the neutron EDM can be extracted, which gives a…