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4-11 July 2012
Melbourne Convention and Exhibition Centre
Australia/Melbourne timezone
ICHEP2012 - 36th International Conference for High Energy Physics

Differential cross sections in top pair events at CMS

5 Jul 2012, 09:45
15m
Room 216 (Melbourne Convention and Exhibition Centre)

Room 216

Melbourne Convention and Exhibition Centre

Melbourne Australia
Parallel Sessions Track 4 - Top Quark Physics TR4 - Top Quark Physics

Speaker

Dr Maria Aldaya Martin (Deutsches Elektronen-Synchrotron (DE))

Description

We present measurements of various differential cross sections in top pair production in proton-proton collisions at the LHC at a centre-of-mass energy of 7 TeV. The data are collected by the CMS experiment during the year 2011. Cross sections are measured differentially as a function of various variables, including the transverse momentum and rapidity of the (anti)top quark and the top-antitop system, as well as multiplicity and transverse momenta of jets produced in addition to the top pair. The cross sections are corrected for detector effects to the level of stable particles. The results are compared with various Monte Carlo models, as well as with theory predictions. The overall consistency of the features of top pair production with expectations from the standard model is investigated.

Primary author

Dr Maria Aldaya Martin (Deutsches Elektronen-Synchrotron (DE))

Presentation materials