Study of sequential semileptonic decays of b hadrons produced at the Tevatron

We present a study of rates and kinematical properties of lepton pairs contained in central jets with transverse energy E_T > 15 GeV that are produced at the Fermilab Tevatron collider. We compare the data to a QCD prediction based on the HERWIG and QQ Monte Carlo generator programs.We find that...

Descripción completa

Detalles Bibliográficos
Autores principales: Apollinari, G, Fiori, I, Giromini, P, Happacher, F, Miscetti, S, Parri, A, Ptohos, F
Lenguaje:eng
Publicado: 2005
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1103/PhysRevD.72.072002
http://cds.cern.ch/record/853040
Descripción
Sumario:We present a study of rates and kinematical properties of lepton pairs contained in central jets with transverse energy E_T > 15 GeV that are produced at the Fermilab Tevatron collider. We compare the data to a QCD prediction based on the HERWIG and QQ Monte Carlo generator programs.We find that the data are poorly described by the simulation, in which sequential semileptonic decays of single b quarks (b --> l c X with c --> l s X) are the major source of such lepton pairs.

Ejemplares similares