Calcium: Properties


Isotopes
  Natural
Abun. (%)
Atomic
Mass
Half-
life
Decay Mode
/Energy (/MeV)
Part. En.
/Intensity
(MeV/%)
Cross-sect.
Ther. Neut.
(b)
Spin
(h/2 pi)
Magnetic
Dipl.Mom.
(nm)
Electric
Quad. Mom.
(b)
Gamma En.
/Intensity
(MeV/%)
 35Ca   35.99523 0.05s +/ 15.6           
 36Ca   36.99309 0.1s +/ 11
+,n
         rad. an.
 37Ca   36.985873 0.173s +/ 11.6
+,n
   3/2+     rad. an.
 38Ca   37.976318 0.44s +/ 6.74    0+     rad. an.
1.5677/ 25
3.21/ 1
 39Ca   38.970718 0.861s +/ 6.531 5.49/ 100  3/2+ 1.02168 nm   rad. an.
 40Ca 96.941 % 39.62591       0.41 b0+      
 41Ca   40.962278 1.03x105y E.C./ 0.421   4 b7/2- -1.595 nm -0.08 b  
 42Ca 0.647 % 41.958618       0.65 b0+      
 43Ca 0.135 % 42.958766       6 b7/2- -1.3173 nm -0.05 b  
 44Ca 2.086 % 43.95548       0.8 b0+      
 45Ca   44.956185 162.7d -/ 0.257   15 b7/2- -1.327 nm 0.05 b  
 46Ca 0.004 % 45.953689       0.72 b0+      
 47Ca   46.954543 4.536d -/ 1.988 0.684/ 84
1.98/ 16
 7/2- -1.38 nm 0.02 b 1.297/ 75
0.041 - 1.88
 48Ca 0.187 % 47.952533       1.1 b0+      
 49Ca   48.955672 8.72m -/ 5.263 0.89/ 7
1.95/ 92
 3/2-     3.0844/ 92
4.0719/ 7
 50Ca   49.957519 14s -/ 4.97 3.12  0+     0.2569/ 98
0.0715 - 1.59
 51Ca   50.96142 10s -/ 0.728    3/2-      
 52Ca   51.96515 4.6s -/ 5.7           
 53Ca     0.09s