IXAS X-ray Data for the Elements

Select Element for X-ray Properties

H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Th Pa U Np Pu Am Cm Bk Cf



Atomic Data for Pa
 Property     Value 
  Atomic Number:   91
  Atomic Mass:   231.036
  Density (gm / cm^3):   15.37
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X-ray absorption edges for Pa
  Edge     Energy (eV)     Fluorescence Yield   Edge Jump
    K   112601.0   0.969448   4.287
    L1   21105.0   0.13   1.1574
    L2   20314.0   0.472   1.4
    L3   16733.0   0.476   2.401
    M1   5367.0   0.004675   1.04
    M2   5001.0   0.0150625   1.058
    M3   4174.0   0.00855   1.16177
    M4   3611.0   0.064625   1.431
    M5   3442.0   0.053075   2.48
    N1   1387.0   0.00066   1.017
    N2   1224.0   0.000785   1.005
    N3   1007.0   0.00052   1.06
    N4   743.0   0.000585   1.02
    N5   708.0   0.000595   1.011
    N6   371.0   0.000385   1.009
    N7   360.0   0.000385   1.11
    O1   310.0   0.0   1.287
    O2   232.0   0.0   1.16
    O3   187.0   0.0   1.5
    O4   94.0   0.0   1.0
    O5   94.0   0.0   1.0
    P1   43.0   0.0   1.0
    P2   27.0   0.0   1.0
    P3   17.0   0.0   1.0
X-ray fluorescence lines for Pa
  Line     Energy (eV)     Intensity
    Ka1 (K - L3 )   95868.0   0.474494
    Ka2 (K - L2 )   92287.0   0.292914
    Ka3 (K - L1 )   91496.0   0.000950156
    Kb1 (K - M3 )   108427.0   0.110371
    Kb2 (K - N2,3 )   111377.0   0.057651
    Kb3 (K - M2 )   107600.0   0.0580492
    Kb4 (K - N4,5 )   111858.0   0.00156298
    Kb5 (K - M4,5 )   108990.0   0.00400813
    La1 (L3 - M5 )   13291.0   0.660875
    La2 (L3 - M4 )   13122.0   0.0738917
    Lb1 (L2 - M4 )   16703.0   0.761511
    Lb2,15 (L3 - N4,5 )   15990.0   0.173775
    Lb3 (L1 - M3 )   16931.0   0.342435
    Lb4 (L1 - M2 )   16104.0   0.36683
    Lb5 (L3 - O4,5 )   16639.0   0.0353852
    Lb6 (L3 - N1 )   15346.0   0.012209
    Lg1 (L2 - N4 )   19571.0   0.18001
    Lg2 (L1 - N2 )   19881.0   0.147626
    Lg3 (L1 - N3 )   20098.0   0.143108
    Lg6 (L2 - O4 )   20220.0   0.038775
    Ll (L3 - M1 )   11366.0   0.0438642
    Ln (L2 - M1 )   14947.0   0.0197038
    Ma (M5 - N6,7 )   3071.0   1.0
    Mb (M4 - N6 )   3240.0   0.997068
    Mg (M3 - N5 )   3466.0   1.0
    Mz (M4,5 - N2,3 )   2387.0   0.00293255