Search for black holes and other new phenomena in high-multiplicity final states in proton–proton collisions at s=13<mml:mspace width="0.2em"/>TeV

2017/05/31 by CMS Collaboration, A. M. Sirunyan, A. Tumasyan +98
Physics and Astronomy · #Black Holes and Theoretical Physics #Context (archaeology) #Cosmology and Gravitation Theories #Large Hadron Collider #Multiplicity (mathematics) #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Supersymmetry #hep-ex

paper · pdf · doi:10.1016/j.physletb.2017.09.053

published as Phys. Lett. B 774 (2017) 279 · Replaced with the published version. Added the journal reference and DOI. All the figures and tables can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/EXO-15-007 (CMS Public Pages)

openalex created_date 2017/05/19 · openalex publication_date 2017/09/22 · arxiv created 2017/12/15 · arxiv updated 2017/12/19 · openalex updated_date 2026/08/06

Abstract

A search for new physics in energetic, high-multiplicity final states has been performed using proton–proton collision data collected with the CMS detector at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 2.3 fb −1 . The standard model background, dominated by multijet production, is determined exclusively from control regions in data. No statistically significant excess of events is observed. Model-independent limits on the product of the cross section and the acceptance of a new physics signal in these final states are set and further interpreted in terms of limits on the production of black holes. Semiclassical black holes and string balls with masses as high as 9.5 TeV , and quantum black holes with masses as high as 9.0 TeV are excluded by this search in the context of models with extra dimensions, thus significantly extending limits set at a center-of-mass energy of 8 TeV with the LHC Run 1 data.

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