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## Main Question or Discussion Point

Hello,

I've found in some of the articles on experimental quantum physics the term "Topological cross section"

Now I'm trying to understand what is it and in particular what the difference between topological and differential cross section?

Thanks in advance for suggestions on any reading materials.

I've found in some of the articles on experimental quantum physics the term "Topological cross section"

Now I'm trying to understand what is it and in particular what the difference between topological and differential cross section?

Thanks in advance for suggestions on any reading materials.