Two-particle momentum correlations in jets produced in pp¯ collisions at s=1.96 TeV Academic Article uri icon

abstract

  • We present the first measurement of two-particle momentum correlations in jets produced in pp̄ collisions at s=1.96TeV. Results are obtained for charged particles within a restricted cone with an opening angle of 0.5 radians around the jet axis and for events with dijet masses between 66 and 563GeV/c2. A comparison of the experimental data to theoretical predictions obtained for partons within the framework of resummed perturbative QCD in the next-to-leading log approximation shows that the parton momentum correlations survive the hadronization stage of jet fragmentation, giving further support to the hypothesis of local parton-hadron duality. The extracted value of the next-to-leading-log-approximation parton shower cutoff scale Qeff set equal to ΛQCD is found to be (1.4-0.7+0.9)×100MeV. © 2008 The American Physical Society.

author list (cited authors)

  • Aaltonen, T., Adelman, J., Akimoto, T., Albrow, M. G., González, B., Amerio, S., ... Zucchelli, S.

citation count

  • 11

publication date

  • May 2008