期刊
PHYSICAL REVIEW LETTERS
卷 102, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.102.031801
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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 Ciencia e Innovacion
- Slovak RD Agency
- Academy of Finland
- STFC [PP/E000452/1, ST/H001077/1] Funding Source: UKRI
- Science and Technology Facilities Council [PPA/A/S/2003/00461/2, PP/E000452/1, ST/H001077/1, PP/E000444/1] Funding Source: researchfish
A search for high-mass resonances in the e(+)e(-) final state is presented based on 2: 5 fb(-1) of root s = 1.96 TeV p (p) over bar collision data from the CDF II detector at the Fermilab Tevatron. The largest excess over the standard model prediction is at an e(+)e(-) invariant mass of 240 GeV/c(2). The probability of observing such an excess arising from fluctuations in the standard model anywhere in the mass range of 150-1000 GeV/c(2) is 0.6% ( equivalent to 2.5 sigma). We exclude the standard model coupling Z' and the Randall-Sundrum graviton for k/(M) over bar (P1) = 0.1 with masses below 963 and 848 GeV/c(2) at the 95% credibility level, respectively.
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