137La Isotope Properties
Ground state properties:
&mu = 2.695(6) nm
Q = 0.26(8) b

T1/2= 6(2)104 y

Excited state properties:
E = 10.56(5) keV
ER = 4.37(7) 10-4 eV
&mu = ?
Q = ?
T1/2 = 89(4) ns
W = 0.29(8) mm/s


Unit Conversion:
1mm/s = 8.52(4) MHz
1mm/s = 3.522(2) 10-8eV
Decay Diagram
139La Isotope Properties
Isotopic abundance 99.91(1)%

Ground state properties:
&mu = 2.7830255(9) nm
Q = 0.20(1) b

Excited state properties:
E = 165.8576(11) keV
ER = 1.063013(7) 10-1 eV
&mu = ?
Q = ?
T1/2 = 1.499(19) ns
W = 1.10(9) mm/s


Unit Conversion:
1mm/s = 133.7732(9) MHz
1mm/s = 5.53241(4) 10-7eV
Decay Diagram
Mössbauer Effect Data Center – July 2010