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Title
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Cross section measurements of high- dilepton final-state processes using a global fitting method
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Author
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Institution/Organisation
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CDF Collaboration
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Abstract
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| We present a new method for studying high-pT dilepton events (e±e∓, μ±μ∓, e±μ∓) and simultaneously extracting the production cross sections of pp̅ →tt̅ , pp̅ →W+W-, and pp̅ →Z0→τ+τ- at a center-of-mass energy of √s=1.96 TeV. We perform a likelihood fit to the dilepton data in a parameter space defined by the missing transverse energy and the number of jets in the event. Our results, which use 360 pb-1 of data recorded with the CDF II detector at the Fermilab Tevatron Collider, are σ(tt̅ )=8.5-2.2+2.7 pb, σ(W+W-)=16.3-4.4+5.2 pb, and σ(Z0→τ+τ-)=291-46+50 pb. |
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Language
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English
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Source (journal)
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Physical review : D : particles, fields, gravitation, and cosmology / American Physical Society. - Ridge, N.Y., 2004 - 2015
Physical review : D : particles and fields. - Lancaster, Pa, 1970 - 2003
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Publication
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Ridge, N.Y.
:
American Physical Society
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2008
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ISSN
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1550-7998
[print]
1550-2368
[online]
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DOI
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10.1103/PHYSREVD.78.012003
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Volume/pages
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78
:1
(2008)
, p. 012003,1-012003,9
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ISI
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000258636400016
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Full text (Publisher's DOI)
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Full text (open access)
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