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Search for the Higgs Boson Produced in Association with Z -> l(+) l(-) in p (p)over-bar Collisions at root s=1.96 TeV

Aaltonen, T; Adelman, J; Akimoto, T; Albrow, MG; Alvarez Gonzalez, B; Amerio, S; Amidei, D; ... Zucchelli, S; + view all (2008) Search for the Higgs Boson Produced in Association with Z -> l(+) l(-) in p (p)over-bar Collisions at root s=1.96 TeV. PHYS REV LETT , 101 (25) , Article 251803. 10.1103/PhysRevLett.101.251803. Green open access

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Abstract

We present a search for the Higgs boson in the process q (q) over bar -> ZH -> l(+) l(-) b (b) over bar. The analysis uses an integrated luminosity of 1 fb(-1) of p (p) over bar collisions produced at root s = 1.96 TeV and accumulated by the upgraded Collider Detector at Fermilab (CDF II). We employ artificial neural networks both to correct jets mismeasured in the calorimeter and to distinguish the signal kinematic distributions from those of the background. We see no evidence for Higgs boson production, and set 95% C.L. upper limits on sigma B-ZH(H -> b (b) over bar), ranging from 1.5 to 1.2 pb for a Higgs boson mass (m(H)) of 110 to 150 GeV/c(2).

Type: Article
Title: Search for the Higgs Boson Produced in Association with Z -> l(+) l(-) in p (p)over-bar Collisions at root s=1.96 TeV
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.101.251803
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.101.251803
Language: English
Additional information: © 2008 The American Physical Society
Keywords: MASSLESS PARTICLES, STANDARD MODEL
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/131650
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