Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-12-19
Phys.Rev. D65 (2002) 076007
Physics
High Energy Physics
High Energy Physics - Phenomenology
33 pages, LaTeX; added Figure 6 showing the dijet mass distribution and corresponding discussion in a paragraph on page 11; so
Scientific paper
We consider an asymmetric string compactification scenario in which the SM gauge bosons can propagate into one TeV$^{-1}$-size extra compact dimension. These gauge bosons have associated KK excitations that present additional contributions to the SM processes. We calculate the effects that the KK excitations of the gluons, $g^{\star}$'s, have on multijet final state production in proton-proton collisions at the Large Hadron Collider energy. In the case of dijet final states with very high $p_{{}_T}$, the KK signal due to the exchanges of the $g^{\star}$'s is several factors greater than the SM background for compactification scales as high as about 7 TeV. The high-$p_{{}_T}$ effect is not as dramatic for the direct production of a single on-shell $g^{\star}$, which subsequently decays into $q$-$\bar{q}$ pairs, where the KK signal significantly exceeds the SM three-jet background for compactification scales up to about 3 TeV. We also present our results for the four-jet final state signal from the direct production of two on-shell $g^{\star}$'s.
Dicus Duane A.
McMullen C. D.
Nandi Satyanarayan
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