K-40 Gamma Ray Branching Ratio: 10.67%

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royalbd
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what do u mean by gamma ray branching ratio of 'k-40' is 10.67%?
 

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QuantumPion said:
K-40 has a 89.28% chance of decaying by beta emission, and a 10.72% chance of decaying by electron capture.

But these add up to 100,00 %. What is the chance of decaying by positron emission?
 

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