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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

Abstract:

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...

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Publication status:
Published

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Publisher:
Elsevier
Journal:
Physics Letters B
Volume:
728
Issue:
1
Pages:
496-517
Publication date:
2014-01-20
DOI:
ISSN:
0370-2693
Source identifiers:
458363
Language:
English
Keywords:
Pubs id:
pubs:458363
UUID:
uuid:0e83d613-5524-47f9-ab1f-3a9f413fb1c4
Local pid:
pubs:458363
Deposit date:
2014-06-17

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