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Search for vector-like T and B quark pairs in final states with leptons at ?s=13 TeV

Abstract: A search is presented for pair production of heavy vector-like T and B quarks in proton-proton collisions at s=13 TeV. The data sample corresponds to an integrated luminosity of 35.9 fb?1, collected with the CMS detector at the CERN LHC in 2016. Pair production of T quarks would result in a wide range of final states, since vector-like T quarks of charge 2e/3 are predicted to decay to bW, tZ, and tH. Likewise, vector-like B quarks are predicted to decay to tW, bZ, and bH. Three channels are considered, corresponding to final states with a single lepton, two leptons with the same sign of the electric charge, or at least three leptons. The results exclude T quarks with masses below 1140?1300 GeV and B quarks with masses below 910?1240 GeV for various branching fraction combinations, extending the reach of previous CMS searches by 200?600 GeV.

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

 Fuente: Journal of High Energy Physics, Vol. 2018, Num. 08, Art. Num. 177

Editorial: Springer Verlag

 Fecha de publicación: 28/08/2018

Nº de páginas: 51

Tipo de publicación: Artículo de Revista

 DOI: 10.1007/JHEP08(2018)177

ISSN: 1126-6708,1029-8479

Url de la publicación: https://doi.org/10.1007/JHEP08(2018)177