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28 March 2024
 
  » arxiv » 1910.8817

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Proton structure and hollowness from L'evy imaging of $pp$ elastic scattering
T. Csörgő ; R. Pasechnik ; A. Ster ;
Date 19 Oct 2019
AbstractThe recently developed L’evy imaging method enables to extract an important physics information on hadron structure at high energies and ultra-low momentum transfers directly from elastic scattering data. In this work, we employ such a model-independent method to probe the internal structure of the proton and quantify its inelasticity profile in the impact parameter space emerging in proton-proton collisions at the highest available energy of $sqrt{s} = 13$ TeV. The inelasticity profile function and its error band for the proton and its substructure have been reconstructed at different energies and the proton hollowness (or "black-ring") effect with beyond 5$sigma$ significance has been found at 13 TeV.
Source arXiv, 1910.8817
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