Theoretical and Experimental Understanding of the Anomalous Odd-to-Even Isotope Ratios of Tin in a 1 + 1 Single-Colour Resonance Ionization Mass Spectrometry: Revisited

Table 4

A table of theoretically computed isotopic selectivity and abundance values after incorporating laser mode structure effects of a laser with a linewidth of 2400 MHz.

Isotopic selectivity values incorporating laser mode structure effects for a laser with a linewidth of 2400 MHz
	Frequency of the laser mode structure (MHz)
Isotope	0	−750	−750	−1500	1500	Selectivity	Abundance after incorporating laser mode structure effects
	100%	88.66%	88.66%	61.79%	61.79%
	Central mode	First order mode (LHS)	First order mode (RHS)	Second order mode (LHS)	Second order mode (RHS)
^112Sn	0.0047	0.0058	0.0039	0.0068	0.0033	0.016	0.934
^114Sn	0.0034	0.0039	0.0030	0.0043	0.0026	0.011	0.664
^115Sn	0.0008	0.0010	0.0008	0.0016	0.0011	0.003	0.184
^116Sn	0.0815	0.0867	0.0748	0.0884	0.0682	0.260	15.55
^117Sn	0.0155	0.0221	0.0146	0.0344	0.0196	0.062	3.73
^118Sn	0.1408	0.1398	0.1377	0.1340	0.1315	0.442	26.68
^119Sn	0.0179	0.0260	0.0156	0.0396	0.0193	0.070	4.20
^120Sn	0.1921	0.1795	0.1991	0.1634	0.1991	0.604	36.41
^122Sn	0.0273	0.0242	0.0298	0.0211	0.0311	0.086	5.19
^124Sn	0.0337	0.0286	0.0385	0.0241	0.0418	0.1072	6.47
Total Selectivity						1.66