MAD-X
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Radiation integrals ignore k0
It seems like the radiation integrals ignore any k0 value and only compute using angle.
Simple example:
b: rbend, l = 1, angle = 0, k0 = 0.001;
test: line = {b};
beam;
use, sequence= test;
twiss, betx = 1, bety = 1, chrom = true;
b, angle = 0.001;
twiss, betx = 1, bety = 1, chrom = true;
The first twill has zero integrals, the second one has non-zero integrals. Cheers L