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  • art%3A10.1007%2FJHEP08%282014%29103 (1)

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

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Article number103
<mark>Journal publication date</mark>18/08/2014
<mark>Journal</mark>Journal of High Energy Physics
Volume2014
Number of pages48
Publication StatusPublished
<mark>Original language</mark>English

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.

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The original publication is available at www.link.springer.com JHEP is an open-access journal funded by SCOAP3 and licensed under CC BY 4.0