I do not understand the interpretation of the http://hyperphysics.phy-astr.gsu.edu/hbase/rutsca.html" [Broken].(adsbygoogle = window.adsbygoogle || []).push({});

To me, that equation says:

(1) for a given θ, the proportion of particles exiting at θ does NOT depend on mass or charge;

(2) if you integrated over all possible scattering angles, you would not get 1, but would get a number that depends on mass and charge.

What do these symbols really mean, in this context?

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# I must be discomprehending the Rutherford scattering cross section.

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