Measurements of the pseudorapidity dependence of the total transverse energy in proton-proton collisions at root s=7 TeV with ATLAS

G. Aad, T. Abajyan, Mogens Dam, Jørgen Beck Hansen, Peter Henrik Hansen, John Renner Hansen, Jørn Dines Hansen, Simon Johann Franz Heisterkamp, Ask Emil Løvschall-Jensen, Morten Dam Jørgensen, Esben Bryndt Klinkby, Björn Stefan Nilsson, Troels Christian Petersen, Sascha Mehlhase, Nele Maria Philomena Boelaert, Stefania Xella

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Abstract

This paper describes measurements of the sum of the transverse energy of particles as a function of particle pseudorapidity, η, in proton-proton collisions at a centre-of-mass energy, √s = 7TeV using the ATLAS detector at the Large Hadron Collider. The measurements are performed in the region |η| < 4.8 for two event classes: those requiring the presence of particles with a low transverse momentum and those requiring particles with a significant transverse momentum. In the second dataset measurements are made in the region transverse to the hard scatter. The distributions are compared to the predictions of various Monte Carlo event generators, which generally tend to underestimate the amount of transverse energy at high |η|. Copyright CERN.

OriginalsprogEngelsk
TidsskriftJournal of High Energy Physics (Online)
Vol/bind2012
Udgave nummer11
Sider (fra-til)033
ISSN1126-6708
DOI
StatusUdgivet - 1 nov. 2012

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