Brogueira, P. and Dias de Deus, J. (2012), "Testing the black disk limit in pp collisions at very high energy", JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, 39, 5.
Abstract: We use geometric scaling invariant quantities to measure the approach,
or not, of the imaginary and real parts of the elastic scattering
amplitude, to the black disk limit, in pp collisions at very high
energy.
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