What the yield less than 0.301 a half life of 22.72 one, neutron per fission of the group with decay constant , - , and a group number more larger than 2?
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 SUM Yield, Neutrons per Fission FROM table WHERE Decay Constant (s −1 ) < 0.301 AND Half-Life (s) = 22.72 AND Group > 2
0.301 22.72 2