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astro-ph2005★ 37 cited
511 keV line from Q balls in the Galactic Center
Shinta Kasuya, Fuminobu Takahashi
The 511 keV photons from the galactic center can be explained by positrons produced through Q-ball decay. In the scheme of gauge-mediated supersymmetry breaking, large Q balls with…
hep-ph2005★ 8 cited
Smallness of Baryon Asymmetry from Split Supersymmetry
Shinta Kasuya, Fuminobu Takahashi
The smallness of the baryon asymmetry in our universe is one of the greatest mysteries and may originate from some profound physics beyond the standard model. We investigate the Af…