Search for microscopic black hole signatures at the Large Hadron Collider
Author(s)Alver, B.; Bauer, Gerry P.; Bendavid, Joshua L.; Butz, Erik M.; Busza, Wit; Cali, Ivan Amos; Chan, M.; Dutta, V.; Everaerts, Pieter Bruno Bart; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hahn, Kristian Allan; Harris, P.; Kim, Y.; Klute, Markus; Lee, Y.-J.; Li, W.; Loizides, C.; Luckey, P. David, Jr.; Nahn, Steven; Ma, Teng; Paus, Christoph M. E.; Ralph, Duncan Kelley; Roland, Christof E.; Roland, Gunther M.; Rudolph, Matthew Scott; Stephans, George S. F.; Sumorok, Konstanty C.; Sung, Kevin Kai Hong; Wenger, Edward Allen; Xie, S.; Yang, M.; Yilmaz, Yetkin; Yoon, A. S.; Zanetti, Marco; Wyslouch, Boleslaw; ... Show more Show less
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A search for microscopic black hole production and decay in pp collisions at a center-of-mass energy of 7 TeV has been conducted by the CMS Collaboration at the LHC, using a data sample corresponding to an integrated luminosity of 35 pb[superscript −1]. Events with large total transverse energy are analyzed for the presence of multiple high-energy jets, leptons, and photons, typical of a signal expected from a microscopic black hole. Good agreement with the standard model backgrounds, dominated by QCD multijet production, is observed for various final-state multiplicities and model-independent limits on new physics in these final states are set. Using simple semi-classical approximation, limits on the minimum black hole mass are derived as well, in the range 3.5–4.5 TeV. These are the first direct limits on black hole production at a particle accelerator.
DepartmentMassachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science; Massachusetts Institute of Technology. School of Science
Physics Letters B
Khachatryan, V., A.M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, J. Erö, et al. “Search for Microscopic Black Hole Signatures at the Large Hadron Collider.” Physics Letters B 697, no. 5 (March 2011): 434–453. © 2011 CERN
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