Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-06-02
Phys.Rev.D47:2754-2760,1993
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages Latex text and 8 ps figures, LBL-33499
Scientific paper
10.1103/PhysRevD.47.2754
Following my previous proposal that two-particle correlation functions can be used to resolve the minijet contribution to particle production in minimum biased events of high energy hadronic interactions, I study the $p_T$ and energy dependence of the correlation. Using HIJING Monte Carlo model, it is found that the correlation $c(\phi_1,\phi_2)$ in azimuthal angle $\phi$ between two particles with $p_T>p_T^{cut}$ resembles much like two back-to-back jets as $p_T^{cut}$ increases at high colliding energies due to minijet production. It is shown that $c(0,0)-c(0,\pi)$, which is related to the relative fraction of particles from minijets, increases with energy. The background of the correlation for fixed $p_T^{cut}$ also grows with energy due to the increase of multiple minijet production. Application of this analysis to the study of jet quenching in ultrarelativistic heavy ion collisions is also discussed.
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