Search for Microscopic Black Hole Signatures at the Large Hadron Collider - INSPIRE

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Search for Microscopic Black Hole Signatures at the Large Hadron Collider

CMS

Collaboration

Dec, 2010

20 pages

Published in:

Phys.Lett.B 697 (2011) 434-453

Published: Jul 16, 2013

e-Print:

1012.3375 [hep-ex]

DOI:

10.1016/j.physletb.2011.02.032

Report number:

CERN-PH-EP-2010-073,
CMS-EXO-10-017

Experiments:

CERN-LHC-CMS

View in:

reference search137 citations

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Abstract: (Elsevier)

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 −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.

CMS
Physics
Black holes
Extra dimensions
black hole: search for
black hole: hadroproduction
upper limit
black hole: mass: lower limit
final state: multiplicity
jet: multiple production

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