We present an updated search for the Higgs boson produced in association with a vector boson in the final state with missing transverse energy and two jets. We use the full CDF data set corresponding to an integrated luminosity of 9: 45 fb(-1) at a proton-antiproton center-of-mass energy of root s = 1.96 TeV. New to this analysis is the inclusion of a b-jet identification algorithm specifically optimized for H -> b (b) over bar searches. Across the Higgs boson mass range 90 <= m(H) <= 150 GeV/c(2), the expected 95% credibility level upper limits on the VH production cross section times the H -> b (b) over bar branching fraction are improved by an average of 14% relative to the previous analysis. At a Higgs boson mass of 125 GeV/c(2), the observed (expected) limit is 3.06 (3.33) times the standard model prediction, corresponding to one of the most sensitive searches to date in this final state. DOI: 10.1103/PhysRevD.87.052008

Updated search for the standard model Higgs boson in events with jets and missing transverse energy using the full CDF data set

INTROZZI, GIANLUCA;
2013-01-01

Abstract

We present an updated search for the Higgs boson produced in association with a vector boson in the final state with missing transverse energy and two jets. We use the full CDF data set corresponding to an integrated luminosity of 9: 45 fb(-1) at a proton-antiproton center-of-mass energy of root s = 1.96 TeV. New to this analysis is the inclusion of a b-jet identification algorithm specifically optimized for H -> b (b) over bar searches. Across the Higgs boson mass range 90 <= m(H) <= 150 GeV/c(2), the expected 95% credibility level upper limits on the VH production cross section times the H -> b (b) over bar branching fraction are improved by an average of 14% relative to the previous analysis. At a Higgs boson mass of 125 GeV/c(2), the observed (expected) limit is 3.06 (3.33) times the standard model prediction, corresponding to one of the most sensitive searches to date in this final state. DOI: 10.1103/PhysRevD.87.052008
2013
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Esperti anonimi
Inglese
Internazionale
STAMPA
87
052008
DETECTOR; MASS
410
info:eu-repo/semantics/article
262
T., Aaltonen; S., Amerio; D., Amidei; A., Anastassov; A., Annovi; J., Antos; G., Apollinari; J. A., Appel; T., Arisawa; A., Artikov; J., Asaadi; W., A...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11571/851069
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