ENSDF Decay Data in the MIRD
(Medical Internal Radiation Dose) Format
for 201Tl

81-THALLIUM-201 81-THALLIUM-201M
Additional Views or Possible Data Parent Information

81-THALLIUM-201

Halflife = 72.912 Hours Jul-1994
Decay Mode: EC
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

ce-L, gamma 3 4.8210-03 1.15010-02 a 5.5510-05
ce-L, gamma 4 9.3610-02 1.57610-02 a 1.4810-03
ce-M, gamma 4 2.1810-02 2.70410-02 a 5.8810-04
ce-L, gamma 5 8.2610-02 1.73510-02 a 1.4310-03
ce-M, gamma 5 1.9210-02 2.86310-02 a 5.5110-04
gamma 6 2.5610-02 1.35310-01 3.4710-03
ce-K, gamma 6 7.2310-02 5.22410-02 3.7810-03
ce-L, gamma 6 1.2310-02 1.20510-01 a 1.4910-03
ce-M, gamma 6 2.8710-03 1.31810-01 a 3.7910-04
ce-N+, gamma 6 9.2910-04 1.34510-01 a 1.2510-04
gamma 8 1.5510-03 1.65910-01 2.5710-04
ce-K, gamma 8 2.3210-03 8.27810-02 1.9210-04
ce-L, gamma 8 4.2810-04 1.51010-01 a 6.4610-05
gamma 9 1.0010-01 1.67410-01 1.6710-02
ce-K, gamma 9 1.5410-01 8.43310-02 1.3010-02
ce-L, gamma 9 2.6210-02 1.52610-01 a 4.0010-03
ce-M, gamma 9 6.1010-03 1.63910-01 a 1.0010-03
ce-N+, gamma 9 1.9610-03 1.66610-01 a 3.2710-04
Kalpha1 X-ray 4.6210-01 7.08210-02 3.2710-02
Kalpha2 X-ray 2.7210-01 6.89010-02 1.8810-02
Kbeta X-ray 2.0310-01 8.03010-02 * 1.6310-02
L X-ray 4.2710-01 9.99010-03 * 4.2710-03
Auger-K 3.6610-02 5.38010-02 * 1.9710-03
Auger-L 7.7610-01 7.60010-03 * 5.9010-03

Listed X, gamma, and gamma Radiations 9.2510-02
Omitted X, gamma, and gamma Radiations** 2.0210-04
Listed beta, ce, and Auger Radiations 3.6310-02
Omitted beta, ce, and Auger Radiations** 5.7110-05
Listed Radiations 1.2910-01
Omitted Radiations** 2.5910-04

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


Mercury-201 Daughter is stable.





81-THALLIUM-201M

Halflife = 2.035 Millisec Jul-1994
E(excitation) = 0.9191 MeV
Decay Mode: IT
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

gamma 1 2.1810-02 2.25010-01 4.8910-03
ce-K, gamma 1 6.4610-02 1.39510-01 9.0110-03
ce-L, gamma 1 1.7310-02 2.09710-01 a 3.6310-03
ce-M, gamma 1 4.3010-03 2.21310-01 a 9.5110-04
ce-N+, gamma 1 1.4110-03 2.24210-01 a 3.1610-04
gamma 2 8.7010-01 3.31110-01 2.8810-01
gamma 4 8.7010-01 5.88010-01 5.1210-01
ce-K, gamma 4 3.0510-02 5.02510-01 1.5310-02
ce-L, gamma 4 1.4810-02 5.72710-01 a 8.4610-03
Kalpha1 X-ray 4.5010-02 7.28710-02 3.2810-03
Kalpha2 X-ray 2.6710-02 7.08310-02 1.8910-03
Kbeta X-ray 1.9910-02 8.26010-02 * 1.6410-03
L X-ray 4.0210-02 1.03010-02 * 4.1410-04
Auger-K 3.4810-03 5.52010-02 * 1.9210-04
Auger-L 6.9210-02 7.78010-03 * 5.3910-04

Listed X, gamma, and gamma Radiations 8.1210-01
Listed beta, ce, and Auger Radiations 3.8410-02
Listed Radiations 8.5010-01

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


Thallium-201 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 Thu May 18 9:16:14 2000

Additional Views or Possible Data for the Parent 201Tl
CSISRS Experimental neutron-induced reaction data in the Exchange Format (EXFOR)
201Tl 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. (8.6 kbytes)
Table Simple HTML tables of information contained in the decay datasets (Est. size: 7.4 kbytes.)
Drawing PostScript file of the decay schemes in the Nuclear Data Sheets style (Est. size: 30.6 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 201Tl
Parent Mode
201Tl IT
201Pb beta+/EC