Measurement of energy flow at large pseudorapidities in pp collisions at root s=0.9 and 7 TeV
CMS Collaboration (ukupan broj autora: 2209)
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The energy flow, dE/d eta, is studied at large pseudorapidities in proton-proton collisions at the LHC, for centre-of-mass energies of 0.9 and 7 TeV. The measurements are made using the CMS detector in the pseudorapidity range 3:15 LT vertical bar eta vertical bar LT 4.9, for both minimum-bias events and events with at least two high-momentum jets. The data are compared to various pp Monte Carlo event generators whose theoretical models and input parameter values are sensitive to the energy-flow measurements. Inclusion of multiple-parton interactions in the Monte Carlo event generators is found to improve the description of the energy-flow measurements.
Кључне речи:Hadron-Hadron Scattering
Извор:Journal of High Energy Physics, 2011, 11
ISSN: 1029-8479 (print)