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Measurement of the WW and WZ production cross section using final states with a charged lepton and heavy-flavor jets in the full CDF Run II data set

Aaltonen, T.
•
Amerio, S.
•
Amidei, D.
altro
SANTI, Lorenzo Gianni
2016
  • journal article

Periodico
PHYSICAL REVIEW D.
Abstract
We present a measurement of the total WW and WZ production cross sections in p (p) over bar collision at root s = 1.96 TeV, in a final state consistent with leptonic W boson decay and jets originating from heavy-flavor quarks from either a W or a Z boson decay. This analysis uses the full data set collected with the CDF II detector during Run II of the Tevatron collider, corresponding to an integrated luminosity of 9.4 fb(-1). An analysis of the dijet mass spectrum provides 3.7 sigma evidence of the summed production processes of either WW or WZ bosons with a measured total cross section of sigma(WW+WZ) = 13.7 +/- 3.9 pb. Independent measurements of the WW and WZ production cross sections are allowed by the different heavy- flavor decay patterns of the W and Z bosons and by the analysis of secondary- decay vertices reconstructed within heavy- flavor jets. The productions of WW and of WZ dibosons are independently seen with significances of 2.9s and 2.1s, respectively, with total cross sections of sigma(WW) = 9.4 +/- 4.2 pb and sigma(WZ) = 3.7(-2.2)(+2.5) pb. The measurements are consistent with standard- model predictions.
DOI
10.1103/PhysRevD.94.032008
WOS
WOS:000381893400001
Archivio
http://hdl.handle.net/11390/1102453
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84984887285
http://harvest.aps.org/bagit/articles/10.1103/PhysRevD.94.032008/apsxml
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Soggetti
  • Nuclear and High Ener...

Scopus© citazioni
5
Data di acquisizione
Jun 2, 2022
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Web of Science© citazioni
4
Data di acquisizione
Mar 26, 2024
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