Measurement of event shapes in minimum-bias events from proton-proton collisions at $\sqrt{s}$ = 13 TeV

The CMS collaboration
Chekhovsky, Vladimir , Hayrapetyan, Aram , Makarenko, Vladimir , Tumasyan, Armen , Adam, Wolfgang , Andrejkovic, Janik Walter , Benato, Lisa , Bergauer, Thomas , Chatterjee, Suman , Damanakis, Konstantinos
CMS-SMP-23-008, 2025.

Abstract (data abstract)
This record includes the measured distributions of event shape variables sphericity, thrust, broadening, isotropy, transverse spherocity, transverse thrust, as well as the multiplicity and invariant mass of charged particles from inelastic proton-proton collisions at 13 TeV. The charged particles for computing the variables are required to have pseudorapidity between -2.4 and 2.4, and transverse momentum not smaller than 0.5 GeV. The collisions are required to have at least three charged particles passing the pseudorapidity and transverse momentum selections. The normalised distributions of all the variables and the joint distributions of charged particle multiplicity and event shape variables or charged particles invariant mass are given, together with the unfolding uncertainties and correlations.

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