Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-04-30
Phys.Lett.B460:383-389,1999
Physics
High Energy Physics
High Energy Physics - Phenomenology
Analysis is updated with the newest ZEUS NC DIS data, which appeared after the first submission. Numerical results change slig
Scientific paper
10.1016/S0370-2693(99)00767-4
We perform a global analysis of the lepton-quark neutral current data on the low scale gravity model, which arises from the extra dimensions. The global data include HERA neutral current deep-inelastic scattering, Drell-yan production at the Tevatron, and fermion pair production at LEPII. The Drell-yan production, due to the large invariant mass data, provides the strongest constraint. Combining all data, the effective Planck scale must be larger than about 1.12 TeV for $n=3$ and 0.94 TeV for $n=4$ at 95%CL.
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