Triple Charmonium Production in pQCD
B. Blok, J. Mehl (Technion)
TL;DR
This paper investigates the mechanisms of triple charmonium production in perturbative QCD, analyzing the contributions of different multi-parton scattering processes and their dependence on transverse momentum, with implications for experimental studies.
Contribution
It introduces a detailed analysis of $1\rightarrow2$ and $1\rightarrow3$ processes in triple charmonium production, highlighting the momentum dependence of cross section ratios.
Findings
The ratio of effective cross sections for TPS and DPS depends moderately on transverse momentum.
Total DPS and TPS cross sections show strong transverse momentum dependence in central kinematics.
The study provides insights for experimental measurements of multi-parton interactions.
Abstract
We study the role of and processes in triple charmonium production. We see that the ratio of effective cross sections of TPS and DPS only moderately depends on charmonium transverse momenta, but the total DPS and TPS cross sections each separately may have rather strong dependence on charmonia transverse momenta in the central kinematics that can be studied experimentally.
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Taxonomy
TopicsHigh-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies