Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-07-25
Phys.Rev. D52 (1995) 6302-6308
Physics
High Energy Physics
High Energy Physics - Phenomenology
RevTeX 3.0; 14 pages plus 7 figures; ps files available via anonymous ftp at ftp://ucdhep.ucdavis.edu/han/vvv/vvv.ps,fig*_vvv.
Scientific paper
10.1103/PhysRevD.52.6302
We calculate the three gauge-boson production in the Standard Model at Fermilab Tevatron energies. At $\sqrt s=2$ TeV in $p\bar p$ collisions, the cross sections for the triple gauge-boson production are typically of order 10 femtobarns (fb). For the pure leptonic final states from the gauge-boson decays and with some minimal cuts on final state photons, the cross sections for $p \bar p \rightarrow W^\pm \gamma\gamma, Z\gamma\gamma$ and $W^+W^- \gamma$ processes are of order a few fb, resulting in a few dozen clean leptonic events for an integrated luminosity of 10 fb$^{-1}$. The pure leptonic modes from other gauge-boson channels give significantly smaller rate. Especially, the trilepton modes from $W^+W^-W^\pm$ and $t \bar t W^\pm \rightarrow W^+W^-W^\pm$ yield a cross section of order 0.1 fb if there is no significant Higgs boson contribution. For a Higgs boson with $m_H^{} \simeq 2M_Z^{}$, the triple massive-gauge-boson production rate could be enhanced by a factor of $4-6$.
Han Tao
Sobey Ron
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