89-Ac-227
Spin
Level energy(keV) Spin & Parity
----------------------------------------
ground state 3/2-
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)
227.027752283 ± 0.000002544 (amu) [mass excess = 25851.085 ± 2.370 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
44.764 ± 0.830 (keV)
Strong Gamma-rays from Decay of Ac-227 (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
----------------------------------------------------------
24.5 0.03 B-
28.6 0.04 B-
37.9 0.05 B-
69.28 4.E-03 Alpha
99.6 6.E-03 Alpha
160.49 5.E-03 Alpha
----------------------------------------------------------
*: 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 21.772 Y 3
B- 21.772 Y 3
Cross Sections (taken from JENDL-4.0)
Table of cross sections, Ac-227.
Figures of cross sections, Ac-227: 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
Ac-226 (Z= 89, A=226), MT=102 (n,γ)
Ac-227 (Z= 89, A=227), MT= 2 (Elastic scattering)
Ac-227 (Z= 89, A=227), MT= 4 (Inelastic scattering)