ENSDF Decay Data in the MIRD
(Medical Internal Radiation Dose) Format
for 225Ac

89-ACTINIUM-225
Additional Views or Possible Data
Parent Information

89-ACTINIUM-225

Halflife = 10.0 Days Dec-1990
Decay Mode: alpha
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

alpha 13 2.3010-03 5.286 1.2210-02
alpha recoil 2.3010-03 9.48610-02 2.1810-04
alpha 22 1.4010-03 5.443 7.6210-03
alpha recoil 1.4010-03 9.76710-02 1.3710-04
alpha 32 1.2010-02 5.580 6.7010-02
alpha recoil 1.2010-02 1.00110-01 1.2010-03
alpha 34 1.1010-02 5.609 6.1710-02
alpha recoil 1.1010-02 1.00710-01 1.1110-03
alpha 35 4.4010-02 5.637 2.4810-01
alpha recoil 4.4010-02 1.01210-01 4.4510-03
alpha 36 1.3010-02 5.682 7.3910-02
alpha recoil 1.3010-02 1.02010-01 1.3310-03
alpha 37 3.1010-02 5.724 1.7710-01
alpha recoil 3.1010-02 1.02710-01 3.1810-03
alpha 38 8.7010-03 5.731 4.9910-02
alpha recoil 8.7010-03 1.02810-01 8.9510-04
alpha 39 1.3210-02 5.732 7.5710-02
alpha recoil 1.3210-02 1.02910-01 1.3610-03
alpha 40 8.0010-02 5.732 4.5910-01
alpha recoil 8.0010-02 1.02910-01 8.2310-03
alpha 41 8.6010-02 5.791 4.9810-01
alpha recoil 8.6010-02 1.03910-01 8.9410-03
alpha 42 1.8110-01 5.793 1.05
alpha recoil 1.8110-01 1.03910-01 1.8810-02
alpha 43 3.0010-03 5.805 1.7410-02
alpha recoil 3.0010-03 1.04210-01 3.1310-04
alpha 44 5.0710-01 5.830 2.96
alpha recoil 5.0710-01 1.04610-01 5.3010-02
gamma 1 9.2710-02 1.06010-02 9.8210-04
ce-L, gamma 2 7.3210-02 7.36110-03 a 5.3910-04
ce-M, gamma 2 1.9510-02 2.13510-02 a 4.1610-04
ce-L, gamma 3 1.4410-01 1.80110-02 a 2.5910-03
ce-M, gamma 3 3.8410-02 3.20010-02 a 1.2310-03
ce-L, gamma 4 8.4210-02 1.98910-02 a 1.6810-03
ce-M, gamma 4 2.2510-02 3.38810-02 a 7.6410-04
gamma 8 4.4710-03 6.29510-02 2.8110-04
ce-L, gamma 8 3.8810-02 4.43110-02 a 1.7210-03
ce-M, gamma 8 9.2510-03 5.83010-02 a 5.3910-04
ce-N+, gamma 8 3.2410-03 6.18010-02 a 2.0010-04
gamma 9 3.2710-04 6.42810-02 2.1010-05
ce-L, gamma 9 5.5610-03 4.56410-02 a 2.5410-04
ce-M, gamma 9 1.4710-03 5.96310-02 a 8.7710-05
ce-N+, gamma 9 5.2310-04 6.31310-02 a 3.3010-05
ce-L, gamma 10 1.9610-03 5.11610-02 a 1.0010-04
ce-M, gamma 10 5.2910-04 6.51510-02 a 3.4510-05
ce-L, gamma 11 4.4610-03 5.31010-02 a 2.3710-04
ce-M, gamma 11 1.2110-03 6.70910-02 a 8.1110-05
ce-N+, gamma 11 4.2510-04 7.05910-02 a 3.0010-05
ce-L, gamma 12 2.7510-03 5.48610-02 a 1.5110-04
ce-M, gamma 12 7.4410-04 6.88510-02 a 5.1210-05
gamma 13 3.1510-03 7.38610-02 2.3310-04
ce-L, gamma 13 5.8110-04 5.52210-02 a 3.2110-05
gamma 15 2.5410-03 8.74110-02 2.2210-04
ce-L, gamma 15 8.4610-03 6.87710-02 a 5.8210-04
ce-M, gamma 15 2.0210-03 8.27610-02 a 1.6710-04
ce-N+, gamma 15 7.1110-04 8.62610-02 a 6.1310-05
gamma 16 9.4810-04 9.49010-02 9.0010-05
ce-L, gamma 16 2.4810-03 7.62610-02 a 1.8910-04
ce-M, gamma 16 5.9310-04 9.02510-02 a 5.3510-05
ce-N+, gamma 16 2.1010-04 9.37510-02 a 1.9610-05
gamma 17 3.0510-04 9.61510-02 2.9310-05
ce-L, gamma 17 1.4010-03 7.75110-02 a 1.0910-04
ce-M, gamma 17 3.6610-04 9.15010-02 a 3.3510-05
gamma 18 6.2110-03 9.96310-02 6.1910-04
ce-L, gamma 18 1.5110-02 8.09910-02 a 1.2210-03
ce-M, gamma 18 3.6510-03 9.49810-02 a 3.4610-04
ce-N+, gamma 18 1.2910-03 9.84810-02 a 1.2710-04
gamma 19 1.0110-02 9.99110-02 1.0110-03
ce-L, gamma 19 8.3410-04 8.12710-02 a 6.7810-05
gamma 20 6.9810-04 1.01010-01 7.0410-05
ce-L, gamma 20 2.4410-03 8.23210-02 a 2.0110-04
ce-M, gamma 20 6.2810-04 9.63110-02 a 6.0510-05
ce-N+, gamma 20 2.2310-04 9.98110-02 a 2.2310-05
gamma 22 2.5110-03 1.08410-01 2.7210-04
ce-K, gamma 22 1.9110-02 7.27310-03 1.3910-04
ce-L, gamma 22 5.9710-03 8.97710-02 a 5.3610-04
ce-M, gamma 22 1.5010-03 1.03810-01 a 1.5610-04
ce-N+, gamma 22 5.3110-04 1.07310-01 a 5.7010-05
gamma 23 3.1710-03 1.11510-01 3.5410-04
gamma 25 1.9610-04 1.19910-01 2.3510-05
gamma 26 5.4510-04 1.19910-01 6.5310-05
gamma 27 7.1910-04 1.23810-01 8.9010-05
gamma 28 2.6210-04 1.24810-01 3.2710-05
ce-K, gamma 28 1.0710-03 2.36810-02 2.5410-05
ce-L, gamma 28 4.1910-04 1.06210-01 a 4.4410-05
gamma 31 1.4210-04 1.33610-01 1.8910-05
gamma 32 3.0510-04 1.34910-01 4.1210-05
gamma 34 1.4610-03 1.45210-01 2.1210-04
gamma 35 7.9610-03 1.50010-01 1.1910-03
ce-K, gamma 35 1.1310-03 4.89010-02 5.5110-05
ce-L, gamma 35 2.2510-04 1.31410-01 a 2.9610-05
gamma 36 1.7410-04 1.52610-01 2.6610-05
gamma 37 1.8710-03 1.53910-01 2.8910-04
gamma 38 3.6010-03 1.57310-01 5.6610-04
ce-K, gamma 38 1.1510-02 5.61210-02 6.4610-04
ce-L, gamma 38 2.2410-03 1.38610-01 a 3.1110-04
ce-M, gamma 38 5.4010-04 1.52610-01 a 8.2310-05
ce-N+, gamma 38 1.9110-04 1.56110-01 a 2.9810-05
gamma 39 1.8510-04 1.69110-01 3.1310-05
gamma 41 1.4210-04 1.78410-01 2.5310-05
gamma 44 1.9610-04 1.86210-01 3.6510-05
gamma 45 5.4010-03 1.88010-01 1.0110-03
ce-K, gamma 45 4.4410-04 8.68610-02 3.8610-05
gamma 46 1.6310-03 1.95810-01 3.2010-04
ce-K, gamma 46 1.9610-03 9.46410-02 1.8610-04
ce-L, gamma 46 5.3310-04 1.77110-01 a 9.4410-05
ce-M, gamma 46 1.3410-04 1.91110-01 a 2.5610-05
gamma 47 6.0010-04 1.97710-01 1.1910-04
gamma 49 2.4010-04 1.98710-01 4.7610-05
gamma 50 3.1610-03 2.16910-01 6.8610-04
ce-K, gamma 50 1.8610-04 1.15810-01 2.1510-05
gamma 51 9.5910-04 2.24610-01 2.1510-04
gamma 53 7.6310-05 2.40810-01 1.8410-05
gamma 55 1.2010-04 2.49510-01 2.9910-05
gamma 56 1.2310-03 2.53510-01 3.1210-04
gamma 59 1.8510-04 2.79210-01 5.1710-05
gamma 64 6.5410-05 3.62510-01 2.3710-05
gamma 67 7.6310-05 4.06110-01 3.1010-05
gamma 68 5.4510-05 4.18110-01 2.2810-05
gamma 69 1.1810-03 4.52410-01 5.3310-04
ce-K, gamma 69 2.1410-04 3.51310-01 7.5210-05
gamma 71 4.3610-05 4.69510-01 2.0510-05
gamma 72 3.2710-04 4.81010-01 1.5710-04
gamma 74 1.9610-04 5.15410-01 1.0110-04
gamma 75 1.4210-04 5.17810-01 7.3410-05
gamma 77 3.1610-04 5.26110-01 1.6610-04
gamma 78 6.5410-05 5.29910-01 3.4710-05
gamma 79 4.3610-05 5.31310-01 2.3210-05
gamma 83 4.3610-05 5.52010-01 2.4110-05
gamma 84 4.3610-05 5.71010-01 2.4910-05
gamma 87 3.0510-05 6.01110-01 1.8310-05
Kalpha1 X-ray 1.7310-02 8.61010-02 1.4910-03
Kalpha2 X-ray 1.0510-02 8.32310-02 8.7710-04
Kbeta X-ray 8.0010-03 9.75010-02 * 7.8010-04
L X-ray 1.8710-01 1.20010-02 * 2.2510-03
Auger-K 1.2110-03 6.43010-02 * 7.7610-05
Auger-L 2.3810-01 8.90010-03 * 2.1210-03

Listed X, gamma, and gamma Radiations 1.6310-02
Omitted X, gamma, and gamma Radiations** 2.7010-04
Listed beta, ce, and Auger Radiations 1.8810-02
Omitted beta, ce, and Auger Radiations** 4.0610-04
Listed alpha Radiations 5.75
Omitted alpha Radiations** 2.4310-02
Listed Radiations 5.79
Omitted Radiations** 2.5010-02

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


Francium-221 Daughter 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 Fri May 19 8:20:55 2000

Additional Views or Possible Data for the Parent 225Ac
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. (29.2 kbytes)
Table Simple HTML tables of information contained in the decay datasets (Est. size: 25.2 kbytes.)
Drawing PostScript file of the decay schemes in the Nuclear Data Sheets style (Est. size: 103.7 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 225Ac
Parent Mode
225Ra beta-
229Pa alpha