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Search for black holes and other new phenomena in high-multiplicity final states in proton?proton collisions at ?s=13TeV

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 13TeV and corresponding to an integrated luminosity of 2.3fb?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 9.5TeV, and quantum black holes with masses as high as 9.0TeV 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 8TeV with the LHC Run 1 data.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Physics Letters B 774 (2017) 279-307

Editorial: Elsevier

 Fecha de publicación: 01/11/2017

Nº de páginas: 29

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.physletb.2017.09.053

ISSN: 0370-2693,1873-2445

Url de la publicación: https://doi.org/10.1016/j.physletb.2017.09.053