期刊
PHYSICAL REVIEW LETTERS
卷 101, 期 25, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.101.251801
关键词
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资金
- U.S. Department of Energy and National Science Foundation
- Italian Istituto Nazionale di Fisica Nucleare
- 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
- A.P. Sloan Foundation
- Bundesministerium fur Bildung und Forschung, Germany
- Korean Science and Engineering Foundation and the Korean Research Foundation
- Science and Technology Facilities Council and the Royal Society, UK
- Institut National de Physique Nucleaire et Physique des Particules/CNRS
- Russian Foundation for Basic Research
- Ministerio de Educacion y Ciencia and Programa Consolider-Ingenio 2010, Spain
- Slovak RD Agency
- Academy of Finland
- STFC [PP/E000452/1, ST/G502412/1, PP/E002722/1] Funding Source: UKRI
- Science and Technology Facilities Council [PPA/A/S/2003/00461/2, PP/E000452/1, PP/E000444/1] Funding Source: researchfish
We use the three lepton and missing energy trilepton signature to search for chargino-neutralino production with 2.0 fb(-1) of integrated luminosity collected by the CDF II experiment at the Tevatron p (p) over bar collider. We expect an excess of approximately 11 supersymmetric events for a choice of parameters of the mSUGRA model, but our observation of 7 events is consistent with the standard model expectation of 6.4 events. We constrain the mSUGRA model of supersymmetry and rule out chargino masses up to 145 GeV/c(2) for a specific choice of parameters.
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