62 citations · 1.3k across the 66 of their papers we have counts for
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astro-ph.CO2013★ 9 cited
7Be charge exchange between 7Be3+ ion and exotic long-lived negatively charged massive particle in big bang nucleosynthesis
Motohiko Kusakabe, K. S. Kim, Myung-Ki Cheoun +2
The existence of an exotic long-lived negatively charged massive particle, i.e., X-, during big bang nucleosynthesis can affect primordial light element abundances. Especially, the…
astro-ph.CO2013★ 23 cited
A Big-Bang Nucleosynthesis Limit on the Neutral Fermion Decays into Neutrinos
Motohiko Kusakabe, A. B. Balantekin, Toshitaka Kajino +1
Using the primordial helium abundance, an upper limit to the magnetic moments for Dirac neutrinos had been provided by imposing restrictions on the number of the additional helicit…