Search for microscopic black holes and string balls in final states with leptons and jets with the ATLAS detector at √s = 8 TeV

The ATLAS collaboration

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

A search for an excess of events with multiple high transverse momentum objects including charged leptons and jets is presented, using 20.3 fb -1 of proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider in 2012 at a centre-of-mass energy of √s = 8 TeV. No excess of events beyond Standard Model expectations is observed. Using extra-dimensional models for black hole and string ball production and decay, exclusion contours are determined as a function of the mass threshold for production and the fundamental gravity scale for two, four and six extra dimensions. For six extra dimensions, mass thresholds of 4.8-6.2 TeV are excluded at 95 % confidence level, depending on the fundamental gravity scale and model assumptions. Upper limits on the fiducial cross-sections for non-Standard Model production of these final states are set. [Figure not available: see fulltext.]

Original languageEnglish
Article number103
JournalJournal of High Energy Physics
Volume2014
Issue number8
DOIs
StatePublished - 1 Jan 2014
Externally publishedYes

Keywords

  • Hadron-Hadron Scattering

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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