Measurement of energy flow at large pseudorapidities in pp collisions at √s = 0.9 and 7 TeV
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Alver_Measurement of energy flow.pdf
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Author(s)
Bendavid, Joshua L.
Busza, Wit
Butz, Erik M.
Clai, Ivan Amos
Chan, M.
Everaerts, Pieter Bruno Bart
Gomez-Ceballos, Guillelmo
Goncharov, Maxim
Hahn, Kristian Allan
Kim, Y.
Date Issued
November 2011
Journal
Journal of High Energy Physics
Publisher
Springer-Verlag
Citation
Chatrchyan, S., V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, et al. “Measurement of Energy Flow at Large Pseudorapidities in Pp Collisions at √s = 0.9 and 7 TeV.” J. High Energ. Phys. 2011, no. 11 (November 2011). © CERN, for the benefit of the CMS collaboration
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Final published version
Abstract
The energy flow, dE/dη, 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 < |η| < 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.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Massachusetts Institute of Technology. School of Science
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DOI of Published Version
https://doi.org/10.1007/jhep11(2011)148
