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Studying the underlying event in Drell-Yan and high transverse momentum jet production at the Tevatron

Author(s)
Paus, Christoph M. E.; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Makhoul, Khaldoun; Bauer, Gerry P
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Abstract
We study the underlying event in proton-antiproton collisions by examining the behavior of charged particles produced in association with a large transverse momentum jet (~2.2  fb[superscript -1]) or with a Drell-Yan lepton pair (~2.7  fb[superscript -1]) in the Z-boson mass region [70<M(pair)<110  GeV/c[superscript 2]] as measured by CDF at 1.96 TeV center-of-mass energy. We use the direction of the lepton pair or the leading jet in each event to define regions of η[eta]-ϕ[phi] space that are sensitive to the modeling of the underlying event. The data are corrected to the particle level to remove detector effects and are then compared with several QCD Monte Carlo models.
Date issued
2010-08
URI
http://hdl.handle.net/1721.1/60453
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical review D
Publisher
American Physical Society
Citation
Aaltonen, T. et al. “Studying the underlying event in Drell-Yan and high transverse momentum jet production at the Tevatron.” Physical Review D 82.3 (2010): n. pag. © 2010 The American Physical Society
Version: Final published version
ISSN
1550-7998
1550-2368

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