IAEA Coordinated Research Project for
Development of a Database for Prompt Gamma-Ray Neutron Activation Analysis

Data for Zn Isotopes (Z=30)

IsotopeAbundanceSigma(old) Sigma(new)Data Intensity Balances Energy Fit
64Zn48.6 6 %1100 100 mb * 843 20 mb ENSDFBudapest ENSDFBudapest ENSDFBudapest
Comments: 770 30 mb 1997Ka47, 729 7 mb (De Corte), * Updated (2003)
Final adopted data , Intensity balance , Energy/Intensity Fit
66Zn27.9 3 %620 60 mb * 375 6 mb ENSDFBudapest ENSDFBudapest ENSDFBudapest
Comments: * Updated (2003)
Final adopted data , Intensity balance , Energy/Intensity Fit
67Zn4.10 13 %9.5 14 b * 11.44 14 b ENSDFBudapest ENSDFBudapest ENSDFBudapest
Comments: * Updated (2003)
Final adopted data , Intensity balance , Energy/Intensity Fit
68Zn18.8 5 %1000 100 mb 790 50 mb ENSDFBudapest ENSDFBudapest ENSDFBudapest
Comments: 700 15 mb (De Corte)
69mZn Decay: Observed 68 9 mb cross section to 439-keV isomer. Mughabghab gives 72 mb 4 mb
69mZn β- Decay not observed
69Zn β- Decay not observed
Final adopted data , Intensity balance , Energy/Intensity Fit
70Zn0.62 3 %83 5 mb
71mZn Decay: Not observed. Mughabghab gives 8.7 mb 5 mb to 158-keV isomer. IT decay branch very weak.
71mZn β- Decay not observed
71Zn β- Decay 511.36-keV γ observed with 19.4 7 mb cross section (uncorrected for annihilation). Expected yield is 0.2 mb.

Comparison of ENSDF and Budapest Gamma-Ray Data

Final Comparison of Adopted Data, Budapest, and Lone.

Return

For more information contact

Richard B. Firestone, e-mail: rbf@lbl.gov
Ernest O. Lawrence Berkeley National Laboratory
MailStop 50A-1148
1 Cyclotron Road
Berkeley, CA 94720
Phone: 510-486-7646
Fax: 510-486-5757