Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-10-16
Phys.Lett. B525 (2002) 219-224
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, 2 figures, using JHEP style
Scientific paper
10.1016/S0370-2693(01)01466-6
Grand unified theories (GUTs) and extra dimensions are potential ingredients of the new physics that may resolve various outstanding problems of the Standard Model. If the inverse size of (one of) the extra dimension(s) is smaller than the GUT scale and standard gauge bosons are allowed to propagate in the bulk then, among other consequences, the evolution of the gauge couplings deviates from the usual logarithmic running somewhat below and between these two scales. In this work, we show that if the compactification scale is the order of 10 TeV, then this modified running may be observable at the CERN Large Hadron Collider in the dijet invariant mass distribution. We also demonstrate that dijets are highly sensitive to the renormalization effects of the extra dimensions, and are potential tools for determining the number of dimensions and the value of the compactification scale.
Balazs Csaba
Laforge B.
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