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johnsmi
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Homework Statement
Hi, I need to integrate this:
[tex]\int[/tex](J0(r))2rdr between 0<r<a
It is for calculating the energy of a nondiffracting beam inside a radius of a. (the r is because of the jacobian in polar coordinates)
The Attempt at a Solution
I saw somewhere that said the integral was a known one and it didn't even bother to write it down but couldn't find it anywhere else
I think it might be found also in Ballanis:antenna theory but I can't find the book
Thanks in advance
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