Abstract
The experimental signatures of TeV-mass black hole (BH) formation in heavy-ion collisions at the LHC are examined. We find that the black hole production results in a complete disappearance of all very high pT (>500 GeV) back-to-back correlated di-jets of total mass M > Mf ∼ 1 TeV. We show that the subsequent Hawking decay produces multiple hard mono-jets and discuss their detection. We study the possibility of cold black hole remnant (BHR) formation of mass ∼Mf and the experimental distinguishability of scenarios with BHRs and those with complete black hole decay. Due to the rather moderate luminosity in the first year of LHC running the best chance for the observation of BHs will be the suppression of hard QCD-dijets at pT ∼ 1 TeV and for BHRs will be to search for high rigidity ionizing tracks in the ALICE TPC. Finally, we point out that stable BHRs in the LHC-storage rings might be interesting candidates for energy production by conversion of mass to Hawking radiation.
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