When I use the following equation which assumes quarks are spheres of charge and compressing the spheres creates mass (by doing work):(adsbygoogle = window.adsbygoogle || []).push({});

mass of quark = integral of ( k q ^2 / r^2 c^ 2 ) d r

and input masses from the mass equation I arrived at by trial and error a few months ago in which n is an integer

Mass = [12.50 x 10^3pi (n – 5) / 2 0] x ( n – 4 )^ 2 x 10^ 39 ( n – 3 ) / 2 x 10^57 x q ^n

I get radius of up quark,charm quark and top quark to be around 10^-18,

10^-19 and 10^-22 metres respectively.

If I am right this means that the assumption of quantum field theory that charges are pointlike is incorrect.However the integral only allows me to obtain [ 1/r] between r1 and r2 where r1 is initial radius and r2 is compressed radius of a sphere.Can anyone think of a way to get r1 exact for a quark?

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# Size of quarks

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