Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II
We present the results of a search for supersymmetry with gauge-mediated breaking and χ˜[subscript 1][superscript 0]→γG˜ in the γγ+missing transverse energy final state. In 2.6±0.2 fb[superscript -1] of pp̅ collisions at √s=1.96 TeV recorded by the CDF II detector we observe no candidate events,...
| Main Authors: | , , , , , , , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | en_US |
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American Physical Society
2010
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| Online Access: | http://hdl.handle.net/1721.1/56263 https://orcid.org/0000-0002-6047-4211 |
| _version_ | 1811074958577631232 |
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| author | Bauer, Gerry P. Choudalakis, Georgios Gomez-Ceballos, Guillelmo Goncharov, M. Hahn, Kristian Allan Henderson, C. Knuteson, Bruce O. Makhoul, K. Paus, Christoph M. E. Xie, Si |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Bauer, Gerry P. Choudalakis, Georgios Gomez-Ceballos, Guillelmo Goncharov, M. Hahn, Kristian Allan Henderson, C. Knuteson, Bruce O. Makhoul, K. Paus, Christoph M. E. Xie, Si |
| author_sort | Bauer, Gerry P. |
| collection | MIT |
| description | We present the results of a search for supersymmetry with gauge-mediated breaking and χ˜[subscript 1][superscript 0]→γG˜ in the γγ+missing transverse energy final state. In 2.6±0.2 fb[superscript -1] of pp̅ collisions at √s=1.96 TeV recorded by the CDF II detector we observe no candidate events, consistent with a standard model background expectation of 1.4±0.4 events. We set limits on the cross section at the 95% C.L. and place the world’s best limit of 149 GeV/c[superscript 2] on the χ˜[subscript 1][superscript 0] mass at τχ˜[subscript 1][superscript 0]≪1 ns. We also exclude regions in the χ˜[subscript 1][superscript 0] mass-lifetime plane for τχ˜[subscript 1][superscript 0]≲2 ns. |
| first_indexed | 2024-09-23T09:58:08Z |
| format | Article |
| id | mit-1721.1/56263 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T09:58:08Z |
| publishDate | 2010 |
| publisher | American Physical Society |
| record_format | dspace |
| spelling | mit-1721.1/562632022-09-26T14:54:29Z Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II Bauer, Gerry P. Choudalakis, Georgios Gomez-Ceballos, Guillelmo Goncharov, M. Hahn, Kristian Allan Henderson, C. Knuteson, Bruce O. Makhoul, K. Paus, Christoph M. E. Xie, Si Massachusetts Institute of Technology. Department of Physics Paus, Christoph M. E. Bauer, Gerry P. Choudalakis, Georgios Gomez-Ceballos, Guillelmo Goncharov, M. Hahn, Kristian Allan Henderson, C. Knuteson, Bruce O. Makhoul, K. Paus, Christoph M. E. Xie, Si We present the results of a search for supersymmetry with gauge-mediated breaking and χ˜[subscript 1][superscript 0]→γG˜ in the γγ+missing transverse energy final state. In 2.6±0.2 fb[superscript -1] of pp̅ collisions at √s=1.96 TeV recorded by the CDF II detector we observe no candidate events, consistent with a standard model background expectation of 1.4±0.4 events. We set limits on the cross section at the 95% C.L. and place the world’s best limit of 149 GeV/c[superscript 2] on the χ˜[subscript 1][superscript 0] mass at τχ˜[subscript 1][superscript 0]≪1 ns. We also exclude regions in the χ˜[subscript 1][superscript 0] mass-lifetime plane for τχ˜[subscript 1][superscript 0]≲2 ns. United States. Dept. of Energy National Science Foundation Istituto Nazionale di Fisica Nucleare of Italy Ministry of Education, Culture, Sports, Science and Technology of Japan Natural Sciences and Engineering Research Council of Canada National Science Council of the Republic of China Swiss National Science Foundation Alfred P. Sloan Foundation Bundesministerium für Bildung und Forschung, Germany World Class University Program National Research Foundation of Korea Science and Technology Facilities Council, United Kingdom Royal Society, United Kingdom Institut National de Physique Nucleaire et Physique des Particules/CNRS Russian Foundation for Basic Research MEC (Spain) Slovak R&D Agency Academy of Finland 2010-07-12T18:29:27Z 2010-07-12T18:29:27Z 2010-01 2009-10 Article http://purl.org/eprint/type/JournalArticle 0031-9007 http://hdl.handle.net/1721.1/56263 Aaltonen, T. et al. “Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II.” Physical Review Letters 104.1 (2010): 011801. © 2010 The American Physical Society https://orcid.org/0000-0002-6047-4211 en_US http://dx.doi.org/10.1103/PhysRevLett.104.011801 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 | Bauer, Gerry P. Choudalakis, Georgios Gomez-Ceballos, Guillelmo Goncharov, M. Hahn, Kristian Allan Henderson, C. Knuteson, Bruce O. Makhoul, K. Paus, Christoph M. E. Xie, Si Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II |
| title | Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II |
| title_full | Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II |
| title_fullStr | Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II |
| title_full_unstemmed | Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II |
| title_short | Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II |
| title_sort | search for supersymmetry with gauge mediated breaking in diphoton events with missing transverse energy at cdf ii |
| url | http://hdl.handle.net/1721.1/56263 https://orcid.org/0000-0002-6047-4211 |
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