Model independent estimates 3丌 end 64 eg gn H2 en f GW 8丌W?÷ 8M2c0.013y1/M Po 3丌/p 14×10 end 64Pr/egGW Nucleosynthesis constraint(NC):(Pa/pr))<0.01 1/26/2021 BRICS 20171/26/2021 BRICS_2017 Model independent estimates