First Search for Multijet Resonances in root s=1.96 TeV p(p)over-bar Collisions
We present the first model independent search for three-jet hadronic resonances within multijet events in √s=1.96 TeV pp̅ collisions at the Fermilab Tevatron using the CDF II detector. Pair production of supersymmetric gluinos and squarks with hadronic R-parity violating decays is employed as an ex...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | en_US |
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American Physical Society
2011
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| Online Access: | http://hdl.handle.net/1721.1/66972 https://orcid.org/0000-0002-6047-4211 |
| _version_ | 1826198604959711232 |
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| author | Gomez-Ceballos, Guillelmo Goncharov, Maxim Paus, Christoph M. E. Bauer, Gerry P Makhoul, Khaldoun |
| 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. Bauer, Gerry P Makhoul, Khaldoun |
| author_sort | Gomez-Ceballos, Guillelmo |
| collection | MIT |
| description | We present the first model independent search for three-jet hadronic resonances within multijet events in √s=1.96 TeV pp̅ collisions at the Fermilab Tevatron using the CDF II detector. Pair production of supersymmetric gluinos and squarks with hadronic R-parity violating decays is employed as an example of a new physics benchmark for this signature. Selection criteria based on the kinematic properties of an ensemble of jet combinations within each event help to extract signal from copious QCD background. No significant excess outside the top quark mass window is observed in data with an integrated luminosity of 3.2 fb[superscript -1]. We place 95% confidence level limits on the production cross section σ(pp̅ →XX′)×BR(g˜g˜→3 jet+3 jet) where X, X′=g˜, q˜, or q̅ ˜, with q˜, q̅ ˜→g˜+jet, as a function of gluino mass, in the range of 77 GeV/c[superscript 2] to 240 GeV/c[superscript 2]. |
| first_indexed | 2024-09-23T11:07:23Z |
| format | Article |
| id | mit-1721.1/66972 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T11:07:23Z |
| publishDate | 2011 |
| publisher | American Physical Society |
| record_format | dspace |
| spelling | mit-1721.1/669722023-02-26T07:59:59Z First Search for Multijet Resonances in root s=1.96 TeV p(p)over-bar Collisions Gomez-Ceballos, Guillelmo Goncharov, Maxim Paus, Christoph M. E. Bauer, Gerry P Makhoul, Khaldoun Massachusetts Institute of Technology. Department of Physics Massachusetts Institute of Technology. Laboratory for Nuclear Science Paus, Christoph M. E. Bauer, Gerry P. Gomez-Ceballos, Guillelmo Goncharov, Maxim Makhoul, K. Paus, Christoph M. E. We present the first model independent search for three-jet hadronic resonances within multijet events in √s=1.96 TeV pp̅ collisions at the Fermilab Tevatron using the CDF II detector. Pair production of supersymmetric gluinos and squarks with hadronic R-parity violating decays is employed as an example of a new physics benchmark for this signature. Selection criteria based on the kinematic properties of an ensemble of jet combinations within each event help to extract signal from copious QCD background. No significant excess outside the top quark mass window is observed in data with an integrated luminosity of 3.2 fb[superscript -1]. We place 95% confidence level limits on the production cross section σ(pp̅ →XX′)×BR(g˜g˜→3 jet+3 jet) where X, X′=g˜, q˜, or q̅ ˜, with q˜, q̅ ˜→g˜+jet, as a function of gluino mass, in the range of 77 GeV/c[superscript 2] to 240 GeV/c[superscript 2]. United States. Dept. of Energy National Science Foundation (U.S.) Istituto nazionale di fisica nucleare (INFN) Japan. Ministry of Education, Culture, Sports, Science and Technology Natural Sciences and Engineering Research Council of Canada (NSERC) National Science Council (China) Swiss National Science Foundation Alfred P. Sloan Foundation Germany. Bundesministerium für Bildung und Forschung Korean Science and Engineering Foundation Korean Research Foundation Science and Technology Facilities Council (Great Britain) Institut National de Physique Nucleaire et Physique des Particules/CNRS Russian Foundation for Basic Research Ministerio de Ciencia e Innovación, Spain Programa Consolider-Ingenio 2010, Spain Slovak R&D Agency Academy of Finland 2011-11-08T21:24:44Z 2011-11-08T21:24:44Z 2011-07 2011-05 Article http://purl.org/eprint/type/JournalArticle 0031-9007 http://hdl.handle.net/1721.1/66972 Aaltonen, T. et al. “First Search for Multijet Resonances in sqrt[s]=1.96 TeV pp[over ¯] Collisions.” Physical Review Letters 107 (2011): n. pag. Web. 8 Nov. 2011. © 2011 American Physical Society https://orcid.org/0000-0002-6047-4211 en_US http://dx.doi.org/10.1103/PhysRevLett.107.042001 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. Bauer, Gerry P Makhoul, Khaldoun First Search for Multijet Resonances in root s=1.96 TeV p(p)over-bar Collisions |
| title | First Search for Multijet Resonances in root s=1.96 TeV p(p)over-bar Collisions |
| title_full | First Search for Multijet Resonances in root s=1.96 TeV p(p)over-bar Collisions |
| title_fullStr | First Search for Multijet Resonances in root s=1.96 TeV p(p)over-bar Collisions |
| title_full_unstemmed | First Search for Multijet Resonances in root s=1.96 TeV p(p)over-bar Collisions |
| title_short | First Search for Multijet Resonances in root s=1.96 TeV p(p)over-bar Collisions |
| title_sort | first search for multijet resonances in root s 1 96 tev p p over bar collisions |
| url | http://hdl.handle.net/1721.1/66972 https://orcid.org/0000-0002-6047-4211 |
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