ENSDF Decay Data in the MIRD
(Medical Internal Radiation Dose) Format
for 231Th

90-THORIUM-231
Additional Views or Possible Data
Parent Information

90-THORIUM-231

Halflife = 25.52 Hours Feb-1994
Decay Mode: beta-
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

beta- 4 2.7010-02 3.76010-02 * 1.0210-03
beta- 6 1.2810-01 5.57010-02 * 7.1310-03
beta- 7 1.3010-02 5.84010-02 * 7.5910-04
beta- 8 1.2010-01 7.96010-02 * 9.5510-03
beta- 9 3.7010-01 7.99010-02 * 2.9610-02
beta- 10 3.5010-01 8.51010-02 * 2.9810-02
beta- 12 1.6510-03 9.29010-02 * 1.5310-04
gamma 1 5.0010-03 9.20010-03 4.6010-05
gamma 2 7.6010-03 1.02510-02 7.7910-05
gamma 3 2.2710-03 1.72010-02 3.9010-05
gamma 4 1.6510-03 1.80710-02 2.9810-05
ce-M, gamma 4 4.9510-01 1.27010-02 a 6.2910-03
gamma 5 3.7010-02 1.91010-02 7.0710-04
gamma 6 1.4510-01 2.56410-02 3.7210-03
ce-L, gamma 6 4.8110-01 4.53510-03 a 2.1810-03
ce-M, gamma 6 1.2410-01 2.02710-02 a 2.5210-03
gamma 9 4.8010-03 5.85710-02 2.8110-04
ce-L, gamma 9 5.5310-01 3.74710-02 a 2.0710-02
ce-M, gamma 9 1.5210-01 5.32010-02 a 8.1010-03
ce-N+, gamma 9 5.6410-02 5.71810-02 a 3.2210-03
gamma 12 2.5110-03 7.27510-02 1.8310-04
gamma 13 1.3010-03 7.78010-02 1.0110-04
gamma 14 8.9010-03 8.12310-02 7.2310-04
ce-L, gamma 14 6.6310-02 6.01210-02 a 3.9910-03
ce-M, gamma 14 1.6510-02 7.58610-02 a 1.2510-03
ce-N+, gamma 14 6.0910-03 7.98410-02 a 4.8610-04
gamma 15 4.0010-03 8.20910-02 3.2810-04
ce-L, gamma 15 2.5210-02 6.09810-02 a 1.5410-03
ce-M, gamma 15 6.0010-03 7.67210-02 a 4.6010-04
ce-N+, gamma 15 2.2410-03 8.07010-02 a 1.8110-04
gamma 16 6.6010-02 8.42110-02 5.5610-03
ce-L, gamma 16 1.1710-01 6.31110-02 a 7.3710-03
ce-M, gamma 16 3.7610-02 7.88510-02 a 2.9710-03
gamma 17 9.4010-03 8.99510-02 8.4610-04
gamma 18 4.5010-04 9.30210-02 4.1910-05
gamma 19 1.2010-03 9.92810-02 1.1910-04
ce-L, gamma 19 5.5610-03 7.81710-02 a 4.3410-04
gamma 20 4.1010-03 1.02310-01 4.1910-04
gamma 25 5.6010-04 1.24910-01 7.0010-05
gamma 26 2.4010-04 1.34010-01 3.2210-05
gamma 27 7.8010-04 1.35710-01 1.0610-04
gamma 31 3.2010-04 1.45910-01 4.6710-05
gamma 32 1.5510-03 1.63110-01 2.5310-04
gamma 35 1.8110-04 1.74110-01 3.1510-05
gamma 36 3.2910-04 1.83510-01 6.0410-05
gamma 38 4.0010-04 2.17910-01 8.7210-05
L X-ray 9.3210-01 1.33010-02 * 1.2410-02
Auger-L 9.7710-01 9.68010-03 * 9.4610-03

Listed X, gamma, and gamma Radiations 2.6310-02
Omitted X, gamma, and gamma Radiations** 1.6710-04
Listed beta, ce, and Auger Radiations 1.4910-01
Listed Radiations 1.7510-01

*   Average Energy (MeV).
a   Maximum Energy (MeV) for subshell.


Protactinium-231 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 10:27:52 2000

Additional Views or Possible Data for the Parent 231Th
CSISRS Experimental neutron-induced reaction data in the Exchange Format (EXFOR)
231Th CS List production cross section datasets
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. (12.5 kbytes)
Table Simple HTML tables of information contained in the decay datasets (Est. size: 10.8 kbytes.)
Drawing PostScript file of the decay schemes in the Nuclear Data Sheets style (Est. size: 44.4 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 231Th
Parent Mode
231Ac beta-
235U alpha