Hydrogen: 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/%)
 1H 99.985 % 1.007825       0.332 b1/2+ 2.79285 nm    
 2H 0.015 % 2.014       0.00052 b1+ 0.85744 nm 0.0028 b  
 3H   3.01605 12.32y -/ 0.0186 0.0186/ 100  <0.6x10-5 b1/2+ 2.97896 nm