Search for Resonant Top-Antitop Production in the Lepton Plus Jets Decay Mode Using the Full CDF Data Set
This Letter reports a search for a narrow resonant state decaying into two W bosons and two b quarks where one W boson decays leptonically and the other decays into a quark-antiquark pair. The search is particularly sensitive to top-antitop resonant production. We use the full data sample of proton-...
| Main Authors: | , , |
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| Other Authors: | |
| Format: | Article |
| Language: | en_US |
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American Physical Society
2013
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| Online Access: | http://hdl.handle.net/1721.1/81294 https://orcid.org/0000-0002-6047-4211 |
| _version_ | 1826191369155117056 |
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| author | Gomez-Ceballos, Guillelmo Goncharov, Maxim Paus, Christoph M. E. |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Gomez-Ceballos, Guillelmo Goncharov, Maxim Paus, Christoph M. E. |
| author_sort | Gomez-Ceballos, Guillelmo |
| collection | MIT |
| description | This Letter reports a search for a narrow resonant state decaying into two W bosons and two b quarks where one W boson decays leptonically and the other decays into a quark-antiquark pair. The search is particularly sensitive to top-antitop resonant production. We use the full data sample of proton-antiproton collisions at a center-of-mass energy of 1.96 TeV collected by the CDF II detector at the Fermilab Tevatron, corresponding to an integrated luminosity of 9.45 fb[superscript -1]. No evidence for resonant production is found, and upper limits on the production cross section times branching ratio for a narrow resonant state are extracted. Within a specific benchmark model, we exclude a Z′ boson with mass, M[subscript Z′], below 915 GeV/c[superscript 2] decaying into a top-antitop pair at the 95% credibility level assuming a Z′ boson decay width of Γ[subscript Z′]=0.012M[subscript Z′]. This is the most sensitive search for a narrow qq̅ -initiated tt̅ resonance in the mass region below 750 GeV/c[superscript 2]. |
| first_indexed | 2024-09-23T08:55:10Z |
| format | Article |
| id | mit-1721.1/81294 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T08:55:10Z |
| publishDate | 2013 |
| publisher | American Physical Society |
| record_format | dspace |
| spelling | mit-1721.1/812942022-09-30T12:07:51Z Search for Resonant Top-Antitop Production in the Lepton Plus Jets Decay Mode Using the Full CDF Data Set Gomez-Ceballos, Guillelmo Goncharov, Maxim Paus, Christoph M. E. Massachusetts Institute of Technology. Department of Physics Massachusetts Institute of Technology. Laboratory for Nuclear Science Gomez-Ceballos, Guillelmo Goncharov, Maxim Paus, Christoph M. E. This Letter reports a search for a narrow resonant state decaying into two W bosons and two b quarks where one W boson decays leptonically and the other decays into a quark-antiquark pair. The search is particularly sensitive to top-antitop resonant production. We use the full data sample of proton-antiproton collisions at a center-of-mass energy of 1.96 TeV collected by the CDF II detector at the Fermilab Tevatron, corresponding to an integrated luminosity of 9.45 fb[superscript -1]. No evidence for resonant production is found, and upper limits on the production cross section times branching ratio for a narrow resonant state are extracted. Within a specific benchmark model, we exclude a Z′ boson with mass, M[subscript Z′], below 915 GeV/c[superscript 2] decaying into a top-antitop pair at the 95% credibility level assuming a Z′ boson decay width of Γ[subscript Z′]=0.012M[subscript Z′]. This is the most sensitive search for a narrow qq̅ -initiated tt̅ resonance in the mass region below 750 GeV/c[superscript 2]. Alfred P. Sloan Foundation National Science Foundation (U.S.) United States. Dept. of Energy 2013-10-03T19:58:45Z 2013-10-03T19:58:45Z 2013-03 2012-11 Article http://purl.org/eprint/type/JournalArticle 0031-9007 1079-7114 http://hdl.handle.net/1721.1/81294 Aaltonen, T., S. Amerio, D. Amidei, et al. 2013 Search for Resonant Top-Antitop Production in the Lepton Plus Jets Decay Mode Using the Full CDF Data Set. Physical Review Letters 110(12). © 2013 American Physical Society. https://orcid.org/0000-0002-6047-4211 en_US http://dx.doi.org/10.1103/PhysRevLett.110.121802 Physical Review Letters Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Physical Society APS |
| spellingShingle | Gomez-Ceballos, Guillelmo Goncharov, Maxim Paus, Christoph M. E. Search for Resonant Top-Antitop Production in the Lepton Plus Jets Decay Mode Using the Full CDF Data Set |
| title | Search for Resonant Top-Antitop Production in the Lepton Plus Jets Decay Mode Using the Full CDF Data Set |
| title_full | Search for Resonant Top-Antitop Production in the Lepton Plus Jets Decay Mode Using the Full CDF Data Set |
| title_fullStr | Search for Resonant Top-Antitop Production in the Lepton Plus Jets Decay Mode Using the Full CDF Data Set |
| title_full_unstemmed | Search for Resonant Top-Antitop Production in the Lepton Plus Jets Decay Mode Using the Full CDF Data Set |
| title_short | Search for Resonant Top-Antitop Production in the Lepton Plus Jets Decay Mode Using the Full CDF Data Set |
| title_sort | search for resonant top antitop production in the lepton plus jets decay mode using the full cdf data set |
| url | http://hdl.handle.net/1721.1/81294 https://orcid.org/0000-0002-6047-4211 |
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