Rate of radioactive decay

Input(s)

$N_{o}$: Initial Parent Nuclei (dimensionless)

$C_{d}$: Decay Constant $(1 / \mathrm{s})$

$\mathrm{t}$: Half-Life Time (s)

Output(s)

N: Parent Nuclei at a Particular Time (dimensionless)

Formula(s)

$$ N=N_{o} * \exp \left(-C_{d} * t\right) $$

Reference(s)

Bassiouni, Z., 1994, Theory, Measurement, and Interpretation of Well Logs. SPE Textbook Series Vol. 4. Chapter 2, Page: 28.