Search for new gauge bosons decaying into dileptons in $\bar{p}p$ collisions at $\sqrt{s} = 1.8$ TeV

We have searched for heavy neutral gauge bosons (Z′) in dielectron and dimuon decay modes using 110pb−1 of p¯p collisions at s=1.8TeV collected with the Collider Detector at Fermilab. We present a limit on the production cross section times branching ratio of a Z′ boson decaying into dileptons as a function of Z′ mass. For mass MZ′>600GeV/c2, the upper limit is 40 fb at 95% confidence level. We set the lower mass limits of 690, 590, 620, 595, 565, 630, and 600GeV/c2 for ZSM′, Zψ, Zη, Zχ, ZI, ZLR, and ZALRM, respectively.

anti-p p: colliding beams
anti-p p: inclusive reaction
search for: Z'
Z': leptonic decay
mass: Z'
channel cross section: branching ratio
upper limit
mass dependence
CDF
experimental results

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Search for new gauge bosons decaying into dileptons in pˉp\bar{p}ppˉ​p collisions at s=1.8\sqrt{s} = 1.8s​=1.8 TeV

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Search for new gauge bosons decaying into dileptons in $\bar{p}p$ collisions at $\sqrt{s} = 1.8$ TeV