Measurement of Double Parton Scattering in p¯p Collisions at s}=1.8 TeV Academic Article uri icon


  • A strong signal for double parton scattering (DP) is observed in a 16 pb-1 sample of p̄ p → γ + 3 jets + X data from the CDF experiment at the Fermilab Tevatron. The process-independent DP parameter, σeff, is obtained without reference to theoretical calculations by comparing observed DP events to events with hard scatterings at separate p̄ p collisions. The result, σeff = (14.5 ± 1.7-2.3+1.7) mb, represents a significant improvement over previous measurements. For the first time, the Feynman x dependence of the σeff parameter is investigated, and no dependence is seen.

author list (cited authors)

  • Abe, F., Akimoto, H., Akopian, A., Albrow, M. G., Amendolia, S. R., Amidei, D., ... Zucchelli, S.

citation count

  • 91

publication date

  • July 1997