Measurement of the differential cross section for top quark pair production in pp collisions at root s=8TeV

Title
Measurement of the differential cross section for top quark pair production in pp collisions at root s=8TeV
Author
김태정
Keywords
LHC
Issue Date
2015-11
Publisher
SPRINGER
Citation
EUROPEAN PHYSICAL JOURNAL C, v. 75, NO 11, Page. 1-1, Article Number: 542
Abstract
The normalized differential cross section for top quark pair (t (t) over bar) production is measured in pp collisions at a centre-of-mass energy of 8 TeV at the CERN LHC using the CMS detector in data corresponding to an integrated luminosity of 19.7 fb(-1). The measurements are performed in the lepton+jets (e/mu+jets) and in the dilepton (e(+)e(-), mu(+)mu(-), and e(+/-)mu(-/+)) decay channels. The t (t) over bar cross section is measured as a function of the kinematic properties of the charged leptons, the jets associated to b quarks, the top quarks, and the t (t) over bar system. The data are compared with several predictions from perturbative quantum chromodynamic up to approximate next-to-next-to-leading-order precision. No significant deviations are observed relative to the standard model predictions.
URI
https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-015-3709-xhttp://hdl.handle.net/20.500.11754/28751
ISSN
1434-6044; 1434-6052
DOI
10.1140/epjc/s10052-015-3709-x
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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