Parameter

Symbol

Value

Decay constant

λ

0.0810958 s−1

Mean generation time

Λ

0.002 s

Absorption cross section

Σa

0.14 cm−1

Diffusion coefficient

D

10 cm

Neutron velocity

v

3 × 106 cm/s

Fraction of delayed neutrons

β

0.007

Absorption frequency

fA

4.167 s−1