Element: Protactinium
Transitions: All<br>Mass Number (A): 231<br>
Sorted by Transition

Column Definitions:

Ele.                = 1 - 4
A                   = 6 - 8
Trans.              = 10 - 16
Theory (eV)         = 18 - 30
Theory Unc. (eV)    = 32 - 43
Experimental Energy:
  Direct (eV)       = 45 - 59
  Direct Unc. (eV)  = 61 - 72
  Combined (eV)     = 74 - 87       (edge only)
  Combined Unc. (eV) = 89 - 100
  Vapor (eV)        = 102 - 116       (edge only)
  Vapor Unc. (eV) = 118 - 129
Blend               = 131 - 136
Ref.                = 138 - 148

Ele. A   Trans.  Theory (eV)   Unc. (eV)    Direct (eV)     Unc. (eV)    Combined (eV)  Unc. (eV)    Vapor (eV)      Unc. (eV)    Blend  Ref.       
Pa   231 KL1     91488.0       3.3                                                                                                       
Pa   231 KL2     92283.5       3.6          92283.4         2.0                                                                          10d
Pa   231 KL3     95864.8       3.4          95866.4         2.0                                                                          10d
Pa   231 KM1     107232.3      5.0                                                                                                       
Pa   231 KM2     107591.2      5.1          107585.3        2.0                                                                          10d
Pa   231 KM3     108422.3      5.2          108417.3        2.0                                                                          10d
Pa   231 KM4     108986.2      4.3                                                                                                       
Pa   231 KM5     109153.5      4.3                                                                                                       
Pa   231 KN1     111223.1      5.8                                                                                                       
Pa   231 KN2     111387.6      6.9          111405          30                                                                           1d
Pa   231 KN3     111600.5      5.6          111625          30                                                                           1d
Pa   231 KN4     111859.4      5.5                                                                                                       
Pa   231 KN5     111899.8      5.6                                                                                                       
Pa   231 K edge  112601.7      3.5                                       112598.4       2.3                                              
Pa   231 L1M1    15744.4       3.3                                                                                                       
Pa   231 L1M2    16103.2       3.4          16103.7         3.1                                                                          1d
Pa   231 L1M3    16934.3       3.5          16930.5         1.7                                                                          1d
Pa   231 L1M4    17498.2       2.6          17491.9         7.3                                                                          1d
Pa   231 L1M5    17665.5       2.5          17666.3         3.7                                                                          1d
Pa   231 L1N1    19735.1       4.1                                                                                                       
Pa   231 L1N2    19899.6       5.2          19872.1         4.7                                                                          1d
Pa   231 L1N3    20112.6       3.9          20097.6         4.8                                                                          1d
Pa   231 L1N4    20371.5       3.8                                                                                                       
Pa   231 L1N5    20411.9       3.8                                                                                                       
Pa   231 L1N6    20751.5       3.4                                                                                                       
Pa   231 L1N7    20760.4       2.9                                                                                                       
Pa   231 L1 edge 21113.7       1.7                                       21100.3        4.2                                              
Pa   231 L2M1    14948.8       2.6          14946.6         2.7                                                                          1d
Pa   231 L2M2    15307.6       2.4                                                                                                       
Pa   231 L2M3    16138.8       2.5                                                                                                       
Pa   231 L2M4    16702.7       1.6          16702.0         1.7                                                                          1d
Pa   231 L2M5    16869.9       1.5                                                                                                       
Pa   231 L2N1    18939.6       3.1          18928.6         4.3                                                                          1d
Pa   231 L2N2    19104.1       4.2                                                                                                       
Pa   231 L2N3    19317.0       2.9                                                                                                       
Pa   231 L2N4    19575.9       2.8          19568.5         4.1                                                                          1d
Pa   231 L2N5    19616.3       2.9                                                                                                       
Pa   231 L2N6    19955.9       2.4                                                                                                       
Pa   231 L2N7    19964.8       2.0                                                                                                       
Pa   231 L2 edge 20318.12      0.73                                      20313.5        3.0                                              
Pa   231 L3M1    11367.6       2.1          11366.2         1.5                                                                          1d
Pa   231 L3M2    11726.4       2.1                                                                                                       
Pa   231 L3M3    12557.6       2.3                                                                                                       
Pa   231 L3M4    13121.5       1.3          13122.3         1.0                                                                          1d
Pa   231 L3M5    13288.7       1.3          13290.8         1.1                                                                          1d
Pa   231 L3N1    15358.4       2.9          15346.2         2.8                                                                          1d
Pa   231 L3N2    15522.8       3.9                                                                                                       
Pa   231 L3N3    15735.8       2.6                                                                                                       
Pa   231 L3N4    15994.7       2.5                                                                                                       
Pa   231 L3N5    16035.1       2.6          16024.6         3.1                                                                          1d
Pa   231 L3N6    16374.7       2.2                                                                                                       
Pa   231 L3N7    16383.6       1.7                                                                                                       
Pa   231 L3 edge 16736.90      0.48                                      16732.9        2.2