26-31 July 2021
Mexico City
Mexico/General timezone
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Contribution Parallel

Mexico City -
QCD and Hadron Structure

Double parton scattering via photon-proton interactions: a new light on the transverse proton structure


  • Dr. Matteo RINALDI

Primary authors

  • Dr. Matteo RINALDI (Dipartimento di Fisica e Geologia. Universita degli studi di Perugia. INFN section of Perugia.)



I discuss photon-proton proton initiated double parton scattering (DPS) due to the limited information on the proton structure obtained from p-p collision data. In DPS initiated by quasireal photons, spitting in a qq̄ pair, the interaction rate is controlled by the virtuality. $\sigma_{DPS}$ has been calculated for the four jet production at HERA and a significant contribution is found. Moreover, experimental observable can be used to access the mean distance between partons in the proton.