. 2023 Feb 23;9(3):e13957. doi: 10.1016/j.heliyon.2023.e13957

Table 1.

Validation of optically thin plasma by evaluating theoretical and experimental intensity ratios.

REEs	λ (nm)	Relative Intensity (a.u.)	A_kg_k (s⁻¹)	E_k (eV)	Spectroscopic parameters $\frac{I_{1}}{I_{2}}$	Experimentally observed $\frac{I_{1}}{I_{2}}$
La I	389.86	29,646	$3.80 \times 10^{7}$	3.17	0.652	0.65
La I	390.26	19,270	$2.48 \times 10^{7}$	3.17	0.652	0.65
Sm I	374.38	27,357	$2.46 \times 10^{7}$	3.64	0.49	0.489
Sm I	375.52	13,404	$1.21 \times 10^{7}$	3.63	0.49	0.489
Nd I	372.24	12,526	$4.0 \times 10^{6}$	3.54	0.444	0.439
Nd I	397.35	5511	$1.9 \times 10^{6}$	3.54	0.444	0.439