Correlation between mean transverse momentum and multiplicity of charged particles in $pp$ and $p\bar{p}$ collisions: from ISR to LHC

摘要

We present our analysis of the available experimental data on correlationbetween mean transverse momentum and charged particles multiplicity ($\langlep_T \rangle$-$N_{ch}$) at central rapidity in $pp$ and $p\bar{p}$ collisions at$\sqrt{s}$ from 17 GeV to 7 TeV. A multi-pomeron exchange model based onRegge-Gribov approach provides quantitative description of $\langle p_T\rangle$-$N_{ch}$ correlation data and their energy dependence. Results arefound to be in agreement with string fusion model hypothesis.