ENSDF Decay Data in the MIRD
(Medical Internal Radiation Dose) Format
for 211Po

84-POLONIUM-211 84-POLONIUM-211M
Additional Views or Possible Data Parent Information

84-POLONIUM-211

Halflife = 0.516 Seconds Feb-1994
Decay Mode: alpha
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

alpha 1 5.4410-03 6.568 3.5710-02
alpha recoil 5.4410-03 1.25910-01 6.8510-04
alpha 2 5.5710-03 6.891 3.8410-02
alpha recoil 5.5710-03 1.32110-01 7.3610-04
alpha 3 9.8910-01 7.450 7.37
alpha recoil 9.8910-01 1.42810-01 1.4110-01
gamma 1 3.2710-05 3.28210-01 1.0710-05
ce-K, gamma 1 9.3210-06 2.40210-01 2.2410-06
ce-L, gamma 1 1.5910-06 3.12310-01 a 4.9510-07
ce-M, gamma 1 3.7310-07 3.24310-01 a 1.2110-07
ce-N+, gamma 1 1.2010-07 3.27310-01 a 3.9410-08
gamma 2 5.4510-03 5.69610-01 3.1010-03
ce-K, gamma 2 8.6710-05 4.81610-01 4.1710-05
ce-L, gamma 2 2.4310-05 5.53810-01 a 1.3410-05
gamma 3 5.6110-03 8.97810-01 5.0410-03
ce-K, gamma 3 1.1310-04 8.09810-01 9.1410-05
ce-L, gamma 3 1.8710-05 8.81910-01 a 1.6510-05
Kalpha1 X-ray 9.8610-05 7.49710-02 7.3910-06
Kalpha2 X-ray 5.8710-05 7.28010-02 4.2710-06
Kbeta X-ray 4.3910-05 8.49010-02 * 3.7310-06
L X-ray 8.1110-05 1.06010-02 * 8.6010-07
Auger-K 7.6410-06 5.67010-02 * 4.3310-07
Auger-L 1.3310-04 7.97010-03 * 1.0610-06

Listed X, gamma, and gamma Radiations 8.1710-03
Listed beta, ce, and Auger Radiations 1.6710-04
Listed alpha Radiations 7.58
Listed Radiations 7.59

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


Lead-207 Daughter is stable.





84-POLONIUM-211M

Halflife = 25.2 Seconds Feb-1994
E(excitation) = 1.4610 MeV
Decay Mode: alpha
Radiations


y(i)
(Bq-s)-1


E(i)
(MeV)


y(i)E(i)

alpha 1 9.1010-01 7.275 6.62
alpha recoil 9.1010-01 1.41610-01 1.2910-01
alpha 2 1.6610-02 7.995 1.3310-01
alpha recoil 1.6610-02 1.55610-01 2.5810-03
alpha 3 2.5010-03 8.305 2.0810-02
alpha recoil 2.5010-03 1.61610-01 4.0410-04
alpha 4 7.0410-02 8.883 6.2510-01
alpha recoil 7.0410-02 1.72910-01 1.2210-02
gamma 2 1.6510-02 9.00010-01 1.4810-02

Listed X, gamma, and gamma Radiations 1.4810-02
Listed alpha Radiations 7.55
Listed Radiations 7.56

Lead-207 Daughter, yield 1.00, 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 Fri May 19 8:01:34 2000

Additional Views or Possible Data for the Parent 211Po
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. (5.7 kbytes)
Table Simple HTML tables of information contained in the decay datasets (Est. size: 4.9 kbytes.)
Drawing PostScript file of the decay schemes in the Nuclear Data Sheets style (Est. size: 20.2 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 211Po
Parent Mode
211Bi beta-
211At beta+/EC
215Rn alpha