ENSDF Decay Data in the MIRD
(Medical Internal Radiation Dose) Format
for 227Ac

89-ACTINIUM-227
Additional Views or Possible Data
Parent Information

89-ACTINIUM-227

Halflife = 21.773 Years May-1992 (beta-), Feb-1994 (alpha)
Decay Modes: alpha, beta-
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

alpha 9 5.5210-05 4.715 2.6010-04
alpha recoil 5.5210-05 8.38510-02 4.6310-06
alpha 11 2.4810-04 4.768 1.1810-03
alpha recoil 2.4810-04 8.47910-02 2.1110-05
alpha 13 1.3810-04 4.796 6.6210-04
alpha recoil 1.3810-04 8.52910-02 1.1810-05
alpha 15 8.2810-04 4.855 4.0210-03
alpha recoil 8.2810-04 8.63410-02 7.1510-05
alpha 16 8.6910-04 4.873 4.2410-03
alpha recoil 8.6910-04 8.66510-02 7.5310-05
alpha 17 1.5210-05 4.899 7.4410-05
alpha recoil 1.5210-05 8.71210-02 1.3210-06
alpha 18 5.4610-03 4.941 2.7010-02
alpha recoil 5.4610-03 8.78610-02 4.8010-04
alpha 19 6.5810-03 4.953 3.2610-02
alpha recoil 6.5810-03 8.80910-02 5.8010-04
gamma 2 9.6610-06 5.50310-02 5.3210-07
gamma 3 6.4910-05 6.92110-02 4.4910-06
ce-L, gamma 3 6.2210-04 5.05710-02 a 3.1510-05
ce-M, gamma 3 1.5610-04 6.45610-02 a 1.0110-05
gamma 4 1.2410-05 8.20010-02 1.0210-06
gamma 5 9.1110-05 1.00010-01 9.1110-06
gamma 6 1.3210-05 1.06810-01 1.4110-06
gamma 7 2.1310-05 1.21510-01 2.5810-06
gamma 9 3.0910-05 1.47510-01 4.5610-06
gamma 10 5.8010-05 1.60310-01 9.2910-06
gamma 11 1.2710-05 1.71910-01 2.1810-06
gamma 12 1.6310-05 2.41710-01 3.9410-06
Kalpha1 X-ray 6.0310-07 8.61010-02 5.1910-08
L X-ray 3.2910-04 1.20010-02 * 3.9510-06
beta- 2 3.4510-01 8.80010-03 * 3.0410-03
beta- 3 5.4210-01 1.11910-02 * 6.0710-03

Listed X, gamma, and gamma Radiations 4.3110-05
Omitted X, gamma, and gamma Radiations** 5.7810-08
Listed beta, ce, and Auger Radiations 9.1510-03
Omitted beta, ce, and Auger Radiations** 1.9110-05
Listed alpha Radiations 7.0010-02
Omitted alpha Radiations** 2.2010-04
Listed Radiations 7.9210-02
Omitted Radiations** 2.3910-04

*   Average Energy (MeV).
a   Maximum Energy (MeV) for subshell.
** Each omitted transition contributes <0.100% to Sumof y(i)E(i).


Francium-223 Daughter, yield 1.3810-02, is radioactive.
Thorium-227 Daughter, yield 9.8610-01, is radioactive.







This program and the accompanying data base have been produced by the National Nuclear Data Center located at the Brookhaven National Laboratory, Upton, N.Y., USA, with funding from the U.S. Department of Energy. Neither the BNL nor the USDOE make any warranty or assume any legal responsibility for the contents of the data base.
Generated by MIRD Wed May 3 10:29:37 2000

Additional Views or Possible Data for the Parent 227Ac
ENSDF Evaluated Nuclear Structure Data File
ENSDF All decay datasets for the parent. Isotope Explorer may be used as a helper to view these data on Win95/98/NT platforms. (10.8 kbytes)
Table Simple HTML tables of information contained in the decay datasets (Est. size: 9.3 kbytes.)
Drawing PostScript file of the decay schemes in the Nuclear Data Sheets style (Est. size: 38.2 kbytes.)
MIRD PostScript files of the tables and decay schemes in the MIRD format
NSR Nuclear Science References
NuDat Nuclear Data File
Wallet Ground and metastable state properties
Radiations Decay Radiations

Parent Decays Feeding 227Ac
Parent Mode
227Ra beta-
231Pa alpha