ENSDF Decay Data in the MIRD
(Medical Internal Radiation Dose) Format
for 171Er

68-ERBIUM-171
Additional Views or Possible Data
Parent Information

68-ERBIUM-171

Halflife = 7.516 Hours May-1992
Decay Mode: beta-
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

beta- 6 5.2010-03 1.47710-01 * 7.6810-04
beta- 7 2.1910-02 1.77510-01 * 3.8910-03
beta- 10 1.9010-03 2.64610-01 * 5.0310-04
beta- 12 9.4410-01 3.62410-01 * 3.4210-01
beta- 15 2.3010-02 5.37010-01 * 1.2410-02
gamma 4 2.0510-01 1.11610-01 2.2910-02
ce-K, gamma 4 3.9210-01 5.22310-02 2.0510-02
ce-L, gamma 4 6.3610-02 1.01510-01 a 6.4510-03
ce-M, gamma 4 1.4210-02 1.09310-01 a 1.5510-03
ce-N+, gamma 4 4.1410-03 1.11110-01 a 4.6010-04
gamma 5 2.3010-02 1.16710-01 2.6810-03
ce-K, gamma 5 1.6910-02 5.72710-02 9.6510-04
ce-L, gamma 5 1.7810-02 1.06510-01 a 1.8910-03
ce-M, gamma 5 4.3010-03 1.14310-01 a 4.9210-04
gamma 6 9.1010-02 1.24010-01 1.1310-02
ce-K, gamma 6 5.7010-02 6.46310-02 3.6810-03
ce-L, gamma 6 5.3310-02 1.13910-01 a 6.0710-03
ce-M, gamma 6 1.2910-02 1.21710-01 a 1.5710-03
ce-N+, gamma 6 3.6010-03 1.23510-01 a 4.4510-04
gamma 10 6.4210-03 2.10610-01 1.3510-03
gamma 11 3.0210-03 2.37110-01 7.1610-04
gamma 13 5.8010-03 2.77410-01 1.6110-03
gamma 15 2.8910-01 2.95910-01 8.5510-02
ce-K, gamma 15 4.8610-03 2.36510-01 1.1510-03
gamma 16 6.4410-01 3.08310-01 1.9910-01
ce-K, gamma 16 9.7910-03 2.48910-01 2.4410-03
ce-L, gamma 16 1.4210-03 2.98210-01 a 4.2410-04
gamma 18 2.5710-03 3.72010-01 9.5610-04
gamma 31 8.9010-04 6.21010-01 5.5310-04
gamma 33 2.5210-03 6.70710-01 1.6910-03
gamma 35 2.8510-03 6.76110-01 1.9310-03
gamma 38 9.7610-04 7.32510-01 7.1510-04
gamma 39 2.4010-03 7.84110-01 1.8810-03
gamma 40 6.4010-03 7.96510-01 5.1010-03
gamma 42 5.5010-04 8.69710-01 4.7810-04
gamma 45 6.3510-03 9.07710-01 5.7610-03
gamma 46 7.7010-04 9.12610-01 7.0310-04
Kalpha1 X-ray 2.3210-01 5.07410-02 1.1810-02
Kalpha2 X-ray 1.3110-01 4.97710-02 6.5410-03
Kbeta X-ray 9.5610-02 5.75010-02 * 5.5010-03
L X-ray 1.3810-01 7.18010-03 * 9.9310-04
Auger-K 2.6510-02 4.09010-02 * 1.0810-03
Auger-L 4.6910-01 5.67010-03 * 2.6610-03

Listed X, gamma, and gamma Radiations 3.6910-01
Omitted X, gamma, and gamma Radiations** 3.3210-03
Listed beta, ce, and Auger Radiations 4.1110-01
Omitted beta, ce, and Auger Radiations** 2.3710-03
Listed Radiations 7.8110-01
Omitted Radiations** 5.6910-03

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


Thulium-171 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 17 9:42:44 2000

Additional Views or Possible Data for the Parent 171Er
CSISRS Experimental neutron-induced reaction data in the Exchange Format (EXFOR)
171Er 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. (22.5 kbytes)
Table Simple HTML tables of information contained in the decay datasets (Est. size: 19.4 kbytes.)
Drawing PostScript file of the decay schemes in the Nuclear Data Sheets style (Est. size: 79.8 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 171Er
Parent Mode
171Ho beta-