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Conversions of propagation eigenstates of supernova neutrinos by atomic electrons
Motohiko Kusakabe
Electron number densities in stars and the Earth are inhomogeneous because of atomic electrons. The large inhomogeneities on atomic-scale tend to form at tops of respective layers…
The viability of the 3+1 neutrino model in the supernova neutrino process
Heamin Ko, Dukjae Jang, Motohiko Kusakabe +1
Adopting the 3+1 neutrino mixing parameters by the IceCube and shortbase line experiments, we investigate the sterile-active neutrino oscillation effects on the supernova neutrino…
Resonant annihilation of long-lived massive colored particles through hadronic collisions
Motohiko Kusakabe, Tomohiro Takesako
Hypothetical long-lived massive colored particles (MCPs or Ys) would be confined in colorless exotic strongly interacting massive particles (SIMPs) at color confinement temperature…
Destruction of 7Be in big bang nucleosynthesis via long-lived sub-strongly interacting massive particles as a solution to the Li problem
Masahiro Kawasaki, Motohiko Kusakabe
We identify reactions which destroy 7Be and 7Li during big bang nucleosynthesis (BBN) in the scenario of BBN catalyzed by a long-lived sub-strongly interacting massive particle (su…
Effect of Long-lived Strongly Interacting Relic Particles on Big Bang Nucleosynthesis
Motohiko Kusakabe, Toshitaka Kajino, Takashi Yoshida +1
It has been suggested that relic long-lived strongly interacting massive particles (SIMPs, or particles) existed in the early universe. We study effects of such long-lived unst…