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 Cs
 Property     Value 
  Atomic Number:   55
  Atomic Mass:   132.905
  Density (gm / cm^3):   1.87
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X-ray absorption edges for Cs
  Edge     Energy (eV)     Fluorescence Yield   Edge Jump
    K   35985.0   0.91182   5.949
    L1   5714.0   0.04900   1.150
    L2   5359.0   0.09000   1.400
    L3   5012.0   0.09100   2.955
    M1   1211.0   0.00059   1.040
    M2   1071.0   0.00097   1.058
    M3   1003.0   0.00078   1.144
    M4   740.5   0.00270   1.052
    M5   726.6   0.00000   1.451
    N1   232.3   0.00002   1.180
    N2   172.4   0.00007   1.005
    N3   161.3   0.00006   1.884
    N4   79.8   0.00009   1.000
    N5   77.5   0.00009   1.000
    O1   22.7   0.00000   1.000
    O2   14.2   0.00000   1.000
    O3   12.1   0.00000   1.000
X-ray fluorescence lines for Cs
  Line     Energy (eV)     Intensity
    Ka1 (K - L3 )   30973.0   0.53016
    Ka2 (K - L2 )   30626.0   0.28705
    Ka3 (K - L1 )   30271.0   0.00053
    Kb1 (K - M3 )   34982.0   0.09551
    Kb2 (K - N2,3 )   35812.6   0.03552
    Kb3 (K - M2 )   34914.0   0.04947
    Kb4 (K - N4,5 )   35905.2   0.00038
    Kb5 (K - M4,5 )   35244.5   0.00138
    La1 (L3 - M5 )   4285.4   0.73656
    La2 (L3 - M4 )   4271.5   0.08198
    Lb1 (L2 - M4 )   4618.5   0.85433
    Lb2,15 (L3 - N4,5 )   4932.2   0.14681
    Lb3 (L1 - M3 )   4711.0   0.49753
    Lb4 (L1 - M2 )   4643.0   0.29669
    Lb6 (L3 - N1 )   4779.7   0.00530
    Lg1 (L2 - N4 )   5279.2   0.12152
    Lg2 (L1 - N2 )   5541.6   0.08881
    Lg3 (L1 - N3 )   5552.7   0.11697
    Ll (L3 - M1 )   3801.0   0.02935
    Ln (L2 - M1 )   4148.0   0.02415
    Ma (M5 - N6,7 )   726.6   1.00000
    Mb (M4 - N6 )   740.5   0.99707
    Mg (M3 - N5 )   925.5   1.00000
    Mz (M4,5 - N2,3 )   568.1   0.00293