782 citations · 8.5k across the 161 of their papers we have counts for
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hep-ph1993★ 152 cited
Hadronic axion window and the big-bang nucleosynthesis
Sanghyeon Chang, Kiwoon Choi
Hadronic axions with the decay constant GeV may fulfill all astrophysical and laboratory constraints discussed so far. In this paper, we reexamine the possibilit…
hep-ph1993
Constraints from Nucleosynthesis and SN1987A on Majoron Emitting Double Beta Decay
Sanghyeon Chang, Kiwoon Choi
We examine whether observable majoron emission in double beta decay can be compatible with the big-bang nucleosynthesis (NS) and the observed neutrino flux from SN1987A. It is foun…