Proton structure and hollowness from Lévy imaging of pp elastic scattering

T. Csörgő, R. Pasechnik, A. Ster

Research output: Contribution to journalLetterpeer-review

Abstract

The recently developed Lévy 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 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 5σ significance has been found at 13 TeV.

Original languageEnglish
Article number126
JournalEuropean Physical Journal C
Volume80
Issue number2
DOIs
Publication statusPublished - 2020

Subject classification (UKÄ)

  • Subatomic Physics

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