95-Am-242
Spin
Level energy(keV) Spin & Parity
----------------------------------------
ground state 1-
4.86300E+01 5-
2.30000E+03
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)
242.059549364 ± 0.000001929 (amu) [mass excess = 55469.876 ± 1.797 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
664.458 ± 0.402 (keV)
Strong Gamma-rays from Decay of Am-242 (Compiled from ENSDF as of March 2011)
[ Intensities before May 23th of 2013 were values when total intensity of the decay mode was 100(%) and a branching ratio of each decay mode was not multiplied. ]
γ-ray energy(keV) Intensity(%) Decay mode
----------------------------------------------------------
42.13 0.04 B-
----------------------------------------------------------
49.35 0.13 Alpha
86.65 0.02 Alpha
109.59 < 0.02 Alpha
----------------------------------------------------------
44.54 0.01 EC
----------------------------------------------------------
48.63 -- IT
----------------------------------------------------------
*: relative, ~ approximate, ? calculated or estimatted
>: greater than or equal to, <: less than or equal to
[ Intensities; total intensity of the nuclide is 100(%). ]
Decay data(Chart of the Nuclides 2014)
Decay mode Half-life
A 141 Y 2
B- 16.02 H 2
EC 16.02 H 2
Cross Sections (taken from JENDL-4.0)
Table of cross sections, Am-242, 242M.
Figures of cross sections, Am-242: type-1: type-2: type-3.
Am-242M: type-1: type-2: type-3.
type-1: total, elastic and inelastic scattering, capture and fision cross sections
type-2: same as type-1 but cross sections are averaged in 70 energy group intervals
type-3: threshold reaction cross sections
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Am-241 (Z= 95, A=241), MT=102 (n,γ)
Am-242 (Z= 95, A=242), MT= 2 (Elastic scattering)
Am-242 (Z= 95, A=242), MT= 2 (Elastic scattering)
Am-242 (Z= 95, A=242), MT= 4 (Inelastic scattering)
Am-242 (Z= 95, A=242), MT= 4 (Inelastic scattering)
Am-243 (Z= 95, A=243), MT= 16 (n,2n)
Am-244 (Z= 95, A=244), MT= 17 (n,3n)
Am-244 (Z= 95, A=244), MT= 17 (n,3n)