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

90-THORIUM-227
Additional Views or Possible Data
Parent Information

90-THORIUM-227

Halflife = 18.72 Days May-1992
Decay Mode: alpha
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

alpha 24 2.1610-03 5.613 1.2110-02
alpha recoil 2.1610-03 9.98210-02 2.1610-04
alpha 27 2.0610-02 5.668 1.1710-01
alpha recoil 2.0610-02 1.00810-01 2.0810-03
alpha 29 1.5010-02 5.693 8.5410-02
alpha recoil 1.5010-02 1.01210-01 1.5210-03
alpha 30 3.6310-02 5.701 2.0710-01
alpha recoil 3.6310-02 1.01410-01 3.6810-03
alpha 31 8.3010-02 5.709 4.7410-01
alpha recoil 8.3010-02 1.01510-01 8.4310-03
alpha 32 4.8910-02 5.713 2.7910-01
alpha recoil 4.8910-02 1.01610-01 4.9710-03
alpha 34 2.0410-01 5.757 1.17
alpha recoil 2.0410-01 1.02410-01 2.0910-02
alpha 35 2.2810-03 5.762 1.3110-02
alpha recoil 2.2810-03 1.02510-01 2.3410-04
alpha 36 3.1110-03 5.795 1.8010-02
alpha recoil 3.1110-03 1.03110-01 3.2110-04
alpha 37 1.2710-02 5.807 7.3810-02
alpha recoil 1.2710-02 1.03310-01 1.3110-03
alpha 38 2.4210-02 5.868 1.4210-01
alpha recoil 2.4210-02 1.04310-01 2.5310-03
alpha 40 7.7510-03 5.916 4.5810-02
alpha recoil 7.7510-03 1.05210-01 8.1510-04
alpha 41 3.0010-02 5.960 1.7910-01
alpha recoil 3.0010-02 1.06010-01 3.1810-03
alpha 42 2.3510-01 5.978 1.40
alpha recoil 2.3510-01 1.06310-01 2.5010-02
alpha 44 2.9010-02 6.009 1.7410-01
alpha recoil 2.9010-02 1.06910-01 3.1010-03
alpha 45 2.4210-01 6.038 1.46
alpha recoil 2.4210-01 1.07410-01 2.6010-02
ce-L, gamma 7 1.5510-01 1.23410-02 a 1.9110-03
ce-M, gamma 7 3.9710-02 2.67610-02 a 1.0610-03
ce-L, gamma 13 7.2310-03 2.48610-02 a 1.8010-04
ce-M, gamma 13 1.9010-03 3.92810-02 a 7.4810-05
ce-L, gamma 14 3.2810-03 2.51610-02 a 8.2610-05
ce-L, gamma 17 2.1910-02 2.90610-02 a 6.3610-04
ce-M, gamma 17 5.9010-03 4.34810-02 a 2.5710-04
gamma 18 5.6610-03 4.98910-02 2.8210-04
ce-L, gamma 18 3.0610-03 3.06510-02 a 9.3710-05
gamma 19 8.0010-02 5.01310-02 4.0110-03
ce-L, gamma 19 4.2610-02 3.08910-02 a 1.3210-03
ce-M, gamma 19 1.0410-02 4.53110-02 a 4.7110-04
ce-N+, gamma 19 3.5010-03 4.89210-02 a 1.7110-04
ce-L, gamma 24 2.9710-02 3.73110-02 a 1.1110-03
ce-M, gamma 24 7.6910-03 5.17310-02 a 3.9810-04
ce-N+, gamma 24 2.7610-03 5.53410-02 a 1.5210-04
ce-L, gamma 25 6.1110-02 4.22010-02 a 2.5810-03
ce-M, gamma 25 1.6510-02 5.66210-02 a 9.3710-04
ce-N+, gamma 25 5.9210-03 6.02310-02 a 3.5710-04
ce-L, gamma 27 1.3110-02 4.32110-02 a 5.6810-04
ce-M, gamma 27 3.1710-03 5.76310-02 a 1.8310-04
ce-N+, gamma 27 1.1510-03 6.12410-02 a 7.0410-05
ce-L, gamma 30 4.3010-03 4.94810-02 a 2.1310-04
ce-M, gamma 30 1.1010-03 6.39010-02 a 7.0610-05
ce-L, gamma 34 5.7210-03 5.43810-02 a 3.1110-04
ce-M, gamma 34 1.5510-03 6.88010-02 a 1.0710-04
gamma 36 1.8910-02 7.97210-02 1.5110-03
ce-L, gamma 36 2.9410-03 6.04810-02 a 1.7810-04
gamma 38 1.3710-02 9.39310-02 1.2810-03
ce-L, gamma 38 1.3610-03 7.46910-02 a 1.0210-04
ce-L, gamma 44 5.3510-03 8.10310-02 a 4.3310-04
ce-M, gamma 44 1.4610-03 9.54510-02 a 1.3910-04
gamma 51 5.1710-03 1.13210-01 5.8510-04
ce-L, gamma 52 5.9010-03 9.39210-02 a 5.5510-04
ce-M, gamma 52 1.6110-03 1.08310-01 a 1.7410-04
ce-N+, gamma 52 5.8210-04 1.12010-01 a 6.5110-05
gamma 71 1.9710-03 2.04310-01 4.0210-04
ce-L, gamma 71 5.6910-04 1.85010-01 a 1.0510-04
gamma 72 1.4810-03 2.05010-01 3.0310-04
ce-K, gamma 72 2.5510-03 1.01110-01 2.5810-04
ce-L, gamma 72 4.7210-04 1.85810-01 a 8.7810-05
gamma 73 2.0910-03 2.06110-01 4.3110-04
ce-L, gamma 73 5.8110-04 1.86910-01 a 1.0910-04
gamma 74 1.1110-02 2.10610-01 2.3310-03
ce-K, gamma 74 7.1110-04 1.06710-01 7.5910-05
ce-K, gamma 75 8.3610-04 1.08710-01 9.0910-05
gamma 81 4.0610-03 2.34810-01 9.5310-04
ce-K, gamma 81 4.7910-03 1.30910-01 6.2710-04
ce-L, gamma 81 8.8910-04 2.15610-01 a 1.9210-04
gamma 82 1.2310-01 2.36010-01 2.9010-02
ce-K, gamma 82 6.0610-03 1.32010-01 8.0110-04
ce-L, gamma 82 1.1410-03 2.16710-01 a 2.4810-04
ce-M, gamma 82 2.7310-04 2.31110-01 a 6.3110-05
gamma 85 3.4410-03 2.50310-01 8.6210-04
ce-K, gamma 85 9.3010-04 1.46410-01 1.3610-04
ce-L, gamma 85 4.6510-04 2.31110-01 a 1.0710-04
ce-K, gamma 86 8.5210-04 1.46410-01 1.2510-04
gamma 87 9.5910-04 2.52610-01 2.4210-04
ce-K, gamma 87 9.2710-04 1.48710-01 1.3810-04
gamma 88 7.3810-03 2.54710-01 1.8810-03
gamma 89 7.0110-02 2.56210-01 1.8010-02
ce-K, gamma 89 6.9410-03 1.52310-01 1.0610-03
ce-L, gamma 89 7.9210-03 2.37010-01 a 1.8810-03
ce-M, gamma 89 2.1210-03 2.51410-01 a 5.3410-04
ce-N+, gamma 89 7.5710-04 2.55010-01 a 1.9310-04
gamma 90 9.4710-04 2.62910-01 2.4910-04
gamma 94 4.8010-03 2.72910-01 1.3110-03
gamma 97 9.8410-04 2.81310-01 2.7710-04
gamma 98 9.8410-04 2.81310-01 2.7710-04
ce-K, gamma 98 5.6910-04 1.77410-01 1.0110-04
gamma 101 1.5410-02 2.86110-01 4.4010-03
gamma 105 4.5510-03 2.96510-01 1.3510-03
ce-K, gamma 105 2.7910-03 1.92610-01 5.3710-04
ce-L, gamma 105 5.1910-04 2.77310-01 a 1.4410-04
gamma 106 2.3210-02 3.00010-01 6.9710-03
ce-K, gamma 106 6.6310-04 1.96110-01 1.3010-04
gamma 107 3.4410-03 3.00010-01 1.0310-03
gamma 108 1.2310-02 3.04510-01 3.7510-03
gamma 110 4.8010-03 3.12710-01 1.5010-03
ce-K, gamma 110 2.2510-03 2.08810-01 4.7110-04
ce-L, gamma 110 4.4110-04 2.93510-01 a 1.3010-04
gamma 111 2.5210-03 3.14810-01 7.9410-04
ce-K, gamma 111 1.3310-03 2.10910-01 2.8010-04
ce-L, gamma 111 2.4410-04 2.95510-01 a 7.2210-05
gamma 112 2.5210-03 3.14810-01 7.9410-04
gamma 117 2.6910-02 3.29910-01 8.8910-03
ce-K, gamma 117 6.2210-04 2.25910-01 1.4110-04
gamma 118 1.0510-02 3.34410-01 3.5010-03
ce-K, gamma 118 3.6510-03 2.30510-01 8.4110-04
ce-L, gamma 118 7.5310-04 3.15110-01 a 2.3710-04
ce-M, gamma 118 1.8110-04 3.29610-01 a 5.9610-05
gamma 120 3.9410-03 3.42510-01 1.3510-03
ce-K, gamma 120 7.5210-04 2.38610-01 1.7910-04
ce-L, gamma 120 2.0510-04 3.23310-01 a 6.6210-05
gamma 122 1.1310-03 3.50410-01 3.9710-04
Kalpha1 X-ray 1.9410-02 8.84710-02 1.7210-03
Kalpha2 X-ray 1.1910-02 8.54310-02 1.0210-03
Kbeta X-ray 9.0610-03 1.00010-01 * 9.0610-04
L X-ray 1.9310-01 1.23010-02 * 2.3810-03
Auger-K 1.3210-03 6.59010-02 * 8.6810-05
Auger-L 2.3410-01 9.09010-03 * 2.1310-03

Listed X, gamma, and gamma Radiations 1.0510-01
Omitted X, gamma, and gamma Radiations** 3.9710-03
Listed beta, ce, and Auger Radiations 2.7410-02
Omitted beta, ce, and Auger Radiations** 1.6710-03
Listed alpha Radiations 5.86
Omitted alpha Radiations** 4.0610-02
Listed Radiations 5.99
Omitted Radiations** 4.6210-02

*   Average Energy (MeV).
a   Maximum Energy (MeV) for subshell.
** Each omitted transition contributes <0.200% to Sumof y(i)E(i).


Radium-223 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 Wed May 3 10:30:21 2000

Additional Views or Possible Data for the Parent 227Th
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. (54.1 kbytes)
Table Simple HTML tables of information contained in the decay datasets (Est. size: 46.7 kbytes.)
Drawing PostScript file of the decay schemes in the Nuclear Data Sheets style (Est. size: 192.3 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 227Th
Parent Mode
227Ac beta-
231U alpha