- Abstract:
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The inclusive cross section for top-quark pair production measured by the CMS experiment in proton-proton collisions at a center-of-mass energy of 7 TeV is compared to the QCD prediction at next-to-next-to-leading order with various parton distribution functions to determine the top-quark pole mass, mtpole, or the strong coupling constant, αS. With the parton distribution function set NNPDF2.3, a pole mass of 176. 7+3.8-3.4 GeV is obtained when constraining αS at the scale of the Z boson mass...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1016/j.physletb.2013.12.009
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Journal article
Determination of the top-quark pole mass and strong coupling constant from the t(t)over-bar production cross section in pp collisions at root s=7 TeV
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