Estamos realizando la búsqueda. Por favor, espere...


Measurements of tt¯ cross sections in association with b jets and inclusive jets and their ratio using dilepton final states in pp collisions at ?s=13TeV

Abstract: The cross sections for the production of tt¯bb¯ and tt¯jj events and their ratio ?tt¯bb¯/?tt¯jj are measured using data corresponding to an integrated luminosity of 2.3 fb?1collected in pp collisions at s=13 TeV with the CMS detector at the LHC. Events with two leptons (e or ?) and at least four reconstructed jets, including at least two identified as b quark jets, in the final state are selected. In the full phase space, the measured ratio is 0.022±0.003(stat)±0.006(syst), the cross section ?tt¯bb¯ is 4.0±0.6(stat)±1.3(syst) pb and ?tt¯jj is 184±6(stat)±33(syst) pb. The measurements are compared with the standard model expectations obtained from a POWHEG simulation at next-to-leading-order interfaced with PYTHIA.

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

 Fuente: Physics Letters B 776 (2018) 355-378

Editorial: Elsevier

 Fecha de publicación: 10/01/2018

Nº de páginas: 24

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.physletb.2017.11.043

ISSN: 0370-2693,1873-2445

Url de la publicación: https://doi.org/10.1016/j.physletb.2017.11.043