Title
First measurement of the ratio of central-electron to forward-electron **W** partial cross sections in <tex>$p\overline{p}$</tex> collisions at <tex>$\sqrt{s}$</tex>=1.96 TeV First measurement of the ratio of central-electron to forward-electron **W** partial cross sections in <tex>$p\overline{p}$</tex> collisions at <tex>$\sqrt{s}$</tex>=1.96 TeV
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Source (journal)
Physical review letters. - New York, N.Y.
Volume/pages
98(2007) :25 , p. 251801,1-251801,7
ISSN
0031-9007
ISI
000247469400009
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We present a measurement of σ(pp&#773; →W)×B(W→eν) at √s=1.96  TeV, using electrons identified in the forward region (1.2<|η|<2.8) of the CDF II detector, in 223   pb-1 of data. We measure σ×B=2796±13(stat)-90+95(syst)±162(lum)  pb. Combining this result with a previous CDF measurement obtained using electrons in the central region (|η|&#8818;1), we present the first measurement of the ratio of central-electron to forward-electron W partial cross sections exp&#8289;=0.925±0.006(stat)±0.032(syst), consistent with theoretical predictions using Coordinated Theoretical-Experimental Project on QCD (CTEQ) and Martin-Roberts-Stirling-Thorne (MRST) parton distribution functions.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/a3df68/c8193046.pdf
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