A sum rule for elastic scattering
G. Pancheri, Y. Srivastava, N. Staffolani
Abstract
A sum rule is derived for elastic scattering of hadrons at high energies which is in good agreement with experimental data on pp available upto the maximum energy s = 2 TeV. Physically, our sum rule reflects the way unitarity correlates and limits how large the elastic amplitude can be as a function of energy to how fast it decreases as a function of the momentum transfer. The universality of our result is justified through our earlier result on equipartition of quark and glue momenta obtained from the virial theorem for massless quarks and the Wilson conjecture
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