18-Ar-39


Spin 
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      7/2-
Mass (The Ame2012 atomic mass evaluation (II) by M.Wang, G.Audi, A.H.Wapstra, F.G.Kondev, M.MacCormick, X.Xu, and B.Pfeiffer Chinese Physics C36 p. 1603-2014, December 2012) 
     38.964313038 ± 0.000005367 (amu)  [mass excess = -33242.190 ± 5.000 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012) 
     565.000 ± 5.000 (keV)
Decay data(Chart of the Nuclides 2014) 
     Decay mode     Half-life 
       B-           269 Y 3
Evaluated Data Libraries 
     Links to the libraries.

Parent Nuclides by Reactions in JENDL-4.0 
     Ar- 40 (Z= 18, A= 40), MT= 16 (n,2n)
     K - 39 (Z= 19, A= 39), MT=103 (n,p)
     K - 40 (Z= 19, A= 40), MT= 28 (n,np)
     Ca- 42 (Z= 20, A= 42), MT=107 (n,α)
     Ca- 43 (Z= 20, A= 43), MT= 22 (n,nα)