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Table 4

Values of ng, nh energy levels involved in the observed transitions.

Level Term Mg I Ca I

This work Others This work Others

5g 1G4 57 262.764(8) }57   262.77    [1] ,57   262.760    [2]  44 874.416(17) 44 874.149 [3], 44 875.95 [4]
3G3 57 262.762(8) 44 874.827(17) 44 874.818 [3], 44 875.96 [4]
3G4 57 262.761(5) 44 874.834(21) 44 874.844 [3], 44 875.96 [4]
3G5 57 262.761(7) 44 874.858(17) 44 874.875 [3], 44 875.96 [4]

6g 1G4 }58   610.783(10) }58   610.80    [1] ,58   610.795    [2]  46 231.672(20) 46 231.7 [3]
3G3 }46   230.802(23) 46 231.014 [3]
3G4 46 231.033 [3]
3G5 46 231.033(16) 46 231.051 [3]

7g 1G4 59 423.539(11) }59   423.54    [1] ,59   423.537    [2]  47 048.910(16) 47 048.894 [3]
3G3 }59   423.532(9) }47   048.619(19) 47 048.619 [3]
3G4 47 048.636 [3]
3G5 47 048.645 [3]

6h 1H }58   618.944(8) }58   618.942    [2]  46 249.112(19) }46   249.150    [3] 
3H 46 249.116(21)

7h 1,3H 59 428.854(18) 59 428.853 [2] 47 060.468(24) 47 060.478 [3]

References. [1] Biémont & Brault (1986); [2] NIST (reproduces the data from Chang 1987); [3] Chang et al. (2000); [4] Sugar & Corliss (1985).

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