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Search for the standard model Higgs boson produced in association with a Z boson in 7.9 fb(-1) of p(p)over-bar collisions at root s=1.96 TeV using the CDF ll detector

Aaltonen T.
•
Álvarez González B.
•
Amerio S.
altro
Zucchelli S.
2012
  • journal article

Periodico
PHYSICS LETTERS. SECTION B
Abstract
We present a search for the standard model Higgs boson produced in association with a Z boson, using up to 7.9 fb(-1) of integrated luminosity from p (p) over bar collisions collected with the CDF II detector. We utilize several novel techniques, including multivariate lepton selection, multivariate trigger parametrization, and a multi-stage signal discriminant consisting of specialized functions trained to distinguish individual backgrounds. By increasing acceptance and enhancing signal discrimination, these techniques have significantly improved the sensitivity of the analysis above what was expected from a larger dataset alone. We observe no significant evidence for a signal, and we set limits on the ZH production cross section. For a Higgs boson with mass 115 GeV/c(2), we expect (observe) a limit of 3.9 (4.8) times the standard model predicted value, at the 95% credibility level. (c) 2012 Elsevier B.V. All rights reserved.
DOI
10.1016/j.physletb.2012.07.045
WOS
WOS:000308519000013
Archivio
http://hdl.handle.net/11390/879347
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84865336332
Diritti
metadata only access
Scopus© citazioni
2
Data di acquisizione
Jun 7, 2022
Vedi dettagli
Web of Science© citazioni
2
Data di acquisizione
Mar 24, 2024
Visualizzazioni
1
Data di acquisizione
Apr 19, 2024
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