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Measurement of the Ratio of Inclusive Cross Sections (pZ+b jet)/(pZ+jet) at =1.96 TeV

DO Collaboration, The and Bertram, Iain A. and Borissov, Guennadi V. and Ratoff, Peter N. and Sopczak, Andre (2005) Measurement of the Ratio of Inclusive Cross Sections (pZ+b jet)/(pZ+jet) at =1.96 TeV. Physical Review Letters, 94 (16). p. 161801. ISSN 1079-7114

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Abstract

Using the data collected with the D0 detector at =1.96 TeV, for integrated luminosities of about 180 pb-1, we have measured the ratio of inclusive cross sections for pZ+b jet to pZ+jet production. The inclusive Z+b-jet reaction is an important background to searches for the Higgs boson in associated ZH production at the Fermilab Tevatron collider. Our measurement is the first of its kind, and relies on the Ze+e- and Zµ+µ- modes. The combined measurement of the ratio yields 0.021±0.005 for hadronic jets with transverse momenta pT>20 GeV/c and pseudorapidities ||<2.5, consistent with next-to-leading-order predictions of the standard model.

Item Type: Article
Journal or Publication Title: Physical Review Letters
Additional Information: Author list is partial - see original article for full author list.
Uncontrolled Keywords: proton-proton inclusive interactions ; Z bosons ; Higgs bosons ; intermediate boson decay ; standard model
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 10067
Deposited By: Ms Margaret Calder
Deposited On: 01 Jul 2008 15:15
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 14:43
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/10067

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