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Search for microscopic black holes in pp collisions at root s=8 TeV

Abstract: A search for microscopic black holes and string balls is presented, based on a data sample of pp collisions at s?=8 TeV recorded by the CMS experiment at the Large Hadron Collider and corresponding to an integrated luminosity of 12 fb?1. No excess of events with energetic multiparticle final states, typical of black hole production or of similar new physics processes, is observed. Given the agreement of the observations with the expected standard model background, which is dominated by QCD multijet production, 95% confidence level limits are set on the production of semiclassical or quantum black holes, or of string balls, corresponding to the exclusions of masses below 4.3 to 6.2 TeV, depending on model assumptions. In addition, model-independent limits are set on new physics processes resulting in energetic multiparticle final states.

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 Autoría: Chatrchyan S., Khachatryan V., Sirunyan A.M., Tumasyan A., Adam W., Bergauer T., Dragicevic M., Erö J., Fabjan C., Friedl M., Frühwirth R., Ghete V.M., Hörmann N., Hrubec J., Jeitler M., Kiesenhofer W., Knünz V., Krammer M., Krätschmer I., Liko D., Mikulec I., Rabady D., Rahbaran B., Rohringer C., Rohringer H., Schöfbeck R., Strauss J., Taurok A., Treberer-Treberspurg W., Waltenberger W., Wulz C.E., Mossolov V., Shumeiko N., Gonza

 Fuente: Journal of High Energy Physics, 2013, 7, 178

Editorial: Springer Verlag

 Fecha de publicación: 01/07/2013

Nº de páginas: 34

Tipo de publicación: Artículo de Revista

 DOI: 10.1007/JHEP07(2013)178

ISSN: 1126-6708,1029-8479

Url de la publicación: https://doi.org/10.1007/JHEP07(2013)178