Speaker
Description
A measurement of inclusive differential multijet cross sections and ratios is presented. The analysis is based on data from proton-proton collisions collected by the CMS experiment at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 59.8 $fb^{-1}$. The observables $R_{mn}$ are calculated from the corresponding differential multijet cross sections with different multiplicities for $m,n$. Jets are reconstructed using the anti-$k_T$ clustering algorithm with jet size parameter $R=0.8$. The analysis sample includes all jets with $p_T>150$ GeV and absolute rapidity within $|y|<2.5$ region. The inclusive differential multijet cross sections and their ratios $R_{mn}$ are measured as a function of the average transverse momentum $H_{T,2}/2$ of the two leading jets. Experimental data are compared to predictions from simulations using various Monte Carlo generators.
