Black hole production at the CERN LHC: String balls and black holes from pp and lead-lead collisions

  title={Black hole production at the CERN LHC: String balls and black holes from pp and lead-lead collisions},
  author={Andrew Chamblin and Gouranga. C. Nayak},
  journal={Physical Review D},
If the fundamental Planck scale is near a TeV, then parton collisions with high enough center-of-mass energy should produce black holes. The production rate for such black holes at the CERN LHC has been extensively studied for the case of a proton-proton collision. In this paper, we extend this analysis to a lead-lead collision at LHC. We find that the cross section for small black holes which may in principle be produced in such a collision is either enhanced or suppressed, depending upon the… 

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Chemical equilibration of partons in high-energy heavy-ion collisions?

  • GeigerKapusta
  • Physics
    Physical review. D, Particles and fields
  • 1993
The chemical composition of the hot and dense parton matter formed in the central region of ultrarelativistic heavy-ion collisions is studied for the case of Au+Au collisions at energies reached at the BNL RHIC using the parton cascade model and a chemical equilibration between the gluons and the quarks cannot be achieved.