ENSDF Decay Data in the MIRD
(Medical Internal Radiation Dose) Format
for 139Ce

58-CERIUM-139 58-CERIUM-139M
Additional Views or Possible Data Parent Information

58-CERIUM-139

Halflife = 137.640 Days Aug-1989
Decay Mode: EC
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

gamma 1 7.9910-01 1.65910-01 1.3210-01
ce-K, gamma 1 1.7110-01 1.26910-01 2.1810-02
ce-L, gamma 1 2.3110-02 1.59610-01 a 3.6910-03
ce-M, gamma 1 5.0110-03 1.64510-01 a 8.2410-04
ce-N+, gamma 1 1.3810-03 1.65610-01 a 2.2810-04
Kalpha1 X-ray 4.2510-01 3.34410-02 1.4210-02
Kalpha2 X-ray 2.3110-01 3.30310-02 7.6510-03
Kbeta X-ray 1.5910-01 3.78010-02 * 6.0010-03
L X-ray 1.2010-01 4.65010-03 * 5.6010-04
Auger-K 8.5210-02 2.74010-02 * 2.3310-03
Auger-L 9.0410-01 3.80010-03 * 3.4410-03

Listed X, gamma, and gamma Radiations 1.6110-01
Listed beta, ce, and Auger Radiations 3.2310-02
Listed Radiations 1.9310-01

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


Lanthanum-139 Daughter is stable.





58-CERIUM-139M

Halflife = 54.8 Seconds Aug-1989
E(excitation) = 0.7542 MeV
Decay Mode: IT
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

gamma 1 9.2410-01 7.54210-01 6.9710-01
ce-K, gamma 1 6.1010-02 7.13810-01 4.3610-02
ce-L, gamma 1 1.0910-02 7.47710-01 a 8.1610-03
Kalpha1 X-ray 2.8910-02 3.47210-02 1.0010-03
Kalpha2 X-ray 1.5810-02 3.42810-02 5.4010-04
Kbeta X-ray 1.0910-02 3.93010-02 * 4.2910-04
L X-ray 8.0810-03 4.84010-03 * 3.9110-05
Auger-K 5.4710-03 2.84010-02 * 1.5510-04
Auger-L 5.6310-02 3.94010-03 * 2.2210-04

Listed X, gamma, and gamma Radiations 6.9910-01
Listed beta, ce, and Auger Radiations 5.2110-02
Listed Radiations 7.5110-01

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


Cerium-139 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 Tue May 16 8:58:02 2000

Additional Views or Possible Data for the Parent 139Ce
CSISRS Experimental neutron-induced reaction data in the Exchange Format (EXFOR)
139Ce CS List production cross section datasets
139mCe 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. (8.0 kbytes)
Table Simple HTML tables of information contained in the decay datasets (Est. size: 6.9 kbytes.)
Drawing PostScript file of the decay schemes in the Nuclear Data Sheets style (Est. size: 28.4 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 139Ce
Parent Mode
139Ce IT
139Pr beta+/EC