Title
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Search for Z' resonances decaying to in dilepton + jets final states in pp collisions at =7 TeV
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Author
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Institution/Organisation
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CMS Collaboration
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Abstract
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A search for resonances decaying to top quark-antiquark pairs is performed using a dilepton + jets data sample recorded by the CMS experiment at the LHC in pp collisions at root s = 7 TeV corresponding to an integrated luminosity of 5.0 fb(-1). No significant deviations from the standard model background are observed. Upper limits are presented for the production cross section times branching fraction of top quark-antiquark resonances for masses from 750 to 3000 GeV. In particular, the existence of a leptophobic topcolor particle Z' is excluded at the 95% confidence level for resonance masses M-Z' < 1.3 TeV for Gamma(Z') = 0.012M(Z'), and M < 1.9 TeV for Gamma(Z') = 0.10M(Z'). DOI: 10.1103/PhysRevD.87.072002 |
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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.
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American Physical Society
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2013
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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.87.072002
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Volume/pages
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87
:7
(2013)
, p. 1-18
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Article Reference
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072002
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ISI
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000317101200001
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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