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eneacasucci

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- Gamma radiation decay intensity in IAEA website, what does it represent.

I was looking at the gamma radiation data from IAEA's website:

(https://www-nds.iaea.org/relnsd/vcharthtml/VChartHTML.html)

and was confused by the absolute intensity listed in the page. I Googled it and it seems to be the probability of emission but why it doesn't add up to 100%?

For example Cs-137 https://www-nds.iaea.org/relnsd/vcharthtml/VChartHTML.html

I don't understand why, because for example the sum of the beta intensities is 100%:

I know about gamma intensity related to the attenuation in matter but this is another topic

Thank you so much for your help

(https://www-nds.iaea.org/relnsd/vcharthtml/VChartHTML.html)

and was confused by the absolute intensity listed in the page. I Googled it and it seems to be the probability of emission but why it doesn't add up to 100%?

For example Cs-137 https://www-nds.iaea.org/relnsd/vcharthtml/VChartHTML.html

I don't understand why, because for example the sum of the beta intensities is 100%:

Thank you so much for your help

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