期刊
PHYSICAL REVIEW LETTERS
卷 100, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.100.161803
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资金
- STFC [PP/E002722/1, ST/G502412/1, PP/E000452/1] Funding Source: UKRI
- Science and Technology Facilities Council [PP/E000452/1, PP/E000444/1, PP/E002722/1, ST/G502412/1, PPA/A/S/2003/00461/2] Funding Source: researchfish
We present the results of a search for pair production of a new heavy toplike quark t' decaying to a W boson and another quark using the Collider Detector at Fermilab II detector in run II of the Tevatron p (p) over bar collider. Using a data sample corresponding to 760 pb(-1) of integrated luminosity, we fit the observed spectrum of total transverse energy and reconstructed t' quark mass to a combination of standard model processes and t' pair production. We see no evidence for t'(t) over bar' production, and we infer a lower limit of 256 GeV/c(2) on the mass of the t(') at 95% C.L. assuming standard strong couplings for the t'.
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