Particle production in pp collisions at the LHC as studied by CMS

van Remortel, N. (2011) Particle production in pp collisions at the LHC as studied by CMS. Il nuovo cimento C, 34 (2). pp. 93-100. ISSN 1826-9885

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This is a report on the study of hadron production in non-singlediffractive events by using minimum bias and jet triggered data collected with the CMS experiment in the first year of LHC running. The importance of these measurements lies in the understanding of the dynamics of multi-hadron production which is described by non-perturbative QCD. The modeling via Monte Carlo generators, and their respective re-tuning, is necessary to describe the underlying event and pileup, having impact on many measurements that rely on an accurate measurement of hadron jets or missing transverse energy. I present an overview of the inclusive single particle spectra, the yields of strange hadrons and the charged hadron multiplicity distributions measured at several center-of-mass energies that show a fast growth of particle densities at the highest energies, especially for low transverse momenta, and a strong violation of KNO scaling in large pseudorapidity intervals.

Item Type: Article
Uncontrolled Keywords: Quantum chromodynamics ; General properties of QCD (dynamics, confinement, etc.) ; Experimental tests
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 06 Apr 2020 15:59
Last Modified: 06 Apr 2020 15:59

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