ENSDF Decay Data in the MIRD
(Medical Internal Radiation Dose) Format
for 138Cs

55-CESIUM-138 55-CESIUM-138M
Additional Views or Possible Data Parent Information

55-CESIUM-138

Halflife = 33.41 Minutes Jan-1998
Decay Mode: beta-
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

beta- 6 4.7010-03 5.29010-01 * 2.4910-03
beta- 8 3.0010-03 6.34010-01 * 1.9010-03
beta- 10 4.3010-03 6.55010-01 * 2.8210-03
beta- 13 2.3010-03 7.80010-01 * 1.7910-03
beta- 15 1.7010-03 7.92010-01 * 1.3510-03
beta- 17 2.7010-03 8.36010-01 * 2.2610-03
beta- 18 3.4010-03 8.72010-01 * 2.9610-03
beta- 19 1.7010-03 9.23010-01 * 1.5710-03
beta- 20 6.4010-03 9.50010-01 * 6.0810-03
beta- 21 2.1010-03 9.77010-01 * 2.0510-03
beta- 22 5.4010-03 1.000 * 5.4010-03
beta- 23 2.0010-03 1.014 * 2.0310-03
beta- 24 1.5910-02 1.047 * 1.6610-02
beta- 25 8.8010-02 1.111 * 9.7810-02
beta- 26 1.6710-02 1.137 * 1.9010-02
beta- 27 4.4010-01 1.201 * 5.2810-01
beta- 28 6.3010-03 1.201 * 7.5710-03
beta- 29 7.3010-02 1.264 * 9.2310-02
beta- 30 1.3010-01 1.306 * 1.7010-01
beta- 31 1.3710-01 1.454 * 1.9910-01
beta- 32 4.3010-02 1.670 * 7.1810-02
gamma 6 1.5110-02 2.27810-01 3.4410-03
gamma 13 4.6610-02 4.09010-01 1.9110-02
gamma 15 3.0710-01 4.62810-01 1.4210-01
ce-K, gamma 15 3.1410-03 4.25410-01 1.3310-03
gamma 17 1.0810-01 5.47010-01 5.8810-02
gamma 26 3.2810-03 7.82110-01 2.5710-03
gamma 30 5.1110-02 8.71810-01 4.4610-02
gamma 35 2.9810-01 1.010 3.0110-01
gamma 39 1.2410-02 1.147 1.4310-02
gamma 40 3.9710-03 1.204 4.7810-03
gamma 42 1.1410-02 1.344 1.5410-02
gamma 45 3.6610-03 1.416 5.1810-03
gamma 46 7.6310-01 1.436 1.10
gamma 47 9.6910-03 1.445 1.4010-02
gamma 48 1.8310-03 1.496 2.7410-03
gamma 49 3.6610-03 1.555 5.7010-03
gamma 54 1.3710-03 1.778 2.4410-03
gamma 58 1.1810-03 2.024 2.3810-03
gamma 61 2.1410-03 2.211 4.7210-03
gamma 62 1.5210-01 2.218 3.3710-01
gamma 64 1.6810-03 2.499 4.2010-03
gamma 65 2.3910-03 2.583 6.1710-03
gamma 67 7.6310-02 2.640 2.0110-01
gamma 68 1.2010-03 2.731 3.2710-03
gamma 69 1.0010-03 2.807 2.8110-03
gamma 73 1.5110-03 3.339 5.0410-03
gamma 75 2.2710-03 3.367 7.6610-03

Listed X, gamma, and gamma Radiations 2.31
Omitted X, gamma, and gamma Radiations** 4.8510-02
Listed beta, ce, and Auger Radiations 1.24
Omitted beta, ce, and Auger Radiations** 9.0310-03
Listed Radiations 3.54
Omitted Radiations** 5.7510-02

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


Barium-138 Daughter is stable.





55-CESIUM-138M

Halflife = 2.90 Minutes Jan-1998 (beta-), Jul-1993 (IT)
E(excitation) = 0.0799 MeV
Decay Modes: IT, beta-
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

ce-K, gamma 1 4.5210-01 4.39210-02 1.9810-02
ce-L, gamma 1 2.7310-01 7.41910-02 a 2.0310-02
ce-M, gamma 1 6.3210-02 7.86810-02 a 4.9710-03
Kalpha1 X-ray 2.1210-01 3.09710-02 6.5710-03
Kalpha2 X-ray 1.1510-01 3.06310-02 3.5210-03
Kbeta X-ray 7.7110-02 3.50010-02 * 2.7010-03
Auger-K 4.7710-02 2.55010-02 * 1.2210-03
Auger-L 6.0710-01 3.55010-03 * 2.1510-03
beta- 1 2.8010-02 1.252 * 3.5010-02
beta- 2 2.0010-02 1.350 * 2.7010-02
beta- 3 1.4610-01 1.402 * 2.0510-01
gamma 2 1.5210-02 1.12510-01 1.7110-03
ce-K, gamma 2 9.5210-03 7.50610-02 7.1410-04
gamma 3 1.5410-01 1.91710-01 2.9510-02
ce-K, gamma 3 2.3710-02 1.54310-01 3.6610-03
ce-L, gamma 3 5.5910-03 1.85710-01 a 1.0410-03
gamma 4 5.3210-03 2.12010-01 1.1310-03
gamma 5 1.1810-02 3.24510-01 3.8210-03
gamma 7 1.8610-01 4.63010-01 8.6210-02
ce-K, gamma 7 1.9010-03 4.25610-01 8.0810-04
gamma 8 6.0810-03 5.16210-01 3.1410-03
gamma 9 1.5210-03 8.71810-01 1.3310-03
gamma 10 1.9010-01 1.436 2.7310-01
Kalpha1 X-ray 1.7710-02 3.21910-02 5.7010-04

Listed X, gamma, and gamma Radiations 4.1310-01
Omitted X, gamma, and gamma Radiations** 1.7510-03
Listed beta, ce, and Auger Radiations 3.2110-01
Omitted beta, ce, and Auger Radiations** 1.4810-03
Listed Radiations 7.3410-01
Omitted Radiations** 3.2310-03

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


Cesium-138 Daughter, yield 8.1010-01, is radioactive.
Barium-138 Daughter, yield 1.9010-01, is stable.







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 8:54:57 2000

Additional Views or Possible Data for the Parent 138Cs
CSISRS Experimental neutron-induced reaction data in the Exchange Format (EXFOR)
138Cs CS List production cross section datasets
138Cs FY List fission yield datasets
138mCs CS List production cross section datasets
138mCs FY List fission yield 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. (25.3 kbytes)
Table Simple HTML tables of information contained in the decay datasets (Est. size: 21.9 kbytes.)
Drawing PostScript file of the decay schemes in the Nuclear Data Sheets style (Est. size: 90.0 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 138Cs
Parent Mode
138Xe beta-
138Cs IT