What the decay constant with a half life less than 22.72 a yield one - , , neutron per fission of 0.0031000000000000003, and a group number less than 3?
Group Half-Life (s) Decay Constant (s −1 ) Yield, Neutrons per Fission Fraction
Delayed neutron
1221457
real real real real real
2-1221457-1
Principle
Principle
1 55.72 0.0124 0.00052 0.000215
2 22.72 0.0305 0.00546 0.001424
3 6.22 0.111 0.00310 0.001274
4 2.30 0.301 0.00624 0.002568
5 0.614 1.14 0.00182 0.000748
6 0.230 3.01 0.00066 0.000273
SELECT COUNT Decay Constant (s −1 ) FROM table WHERE Half-Life (s) < 22.72 AND Yield, Neutrons per Fission = 0.0031000000000000003 AND Group < 3
22.72 0.0031000000000000003 3