Minimum-Bias and Underlying Event Studies at CMS

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The "Underlying Event" at CMS (under nominal and start-up conditions) is studied by examining charged particle and momentum densities in the "transverse" region in charged particle jet production. The predictions of various QCD models with different multiple parton interaction schemes correctly reproduce Tevatron data, however they fail to agree with each other when extrapolated to the LHC energy. The possibility of discriminating among these models is presented. Exploring QCD dynamics in proton-proton collisions at center-of-mass energy of 14 TeV, and the importance of improving and tuning the QCD Monte Carlo models at start-up are also analyzed.
Poster at PIC2008, Perugia, IT, June 2008. 4 pages, LaTeX, 9 eps figures

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High Energy Physics - Experiment

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http://salesiana.dossiersoluciones.com/handle/123456789/172523

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0810.4819
 http://arxiv.org/abs/0810.4819

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arXiv