Combination of CDF and D0 Measurements of the Single Top Production Cross Section

2009/08/15 by Tevatron Electroweak Working Group
Physics and Astronomy · #Particle physics theoretical and experimental studies #High-Energy Particle Collisions Research #Quantum Chromodynamics and Particle Interactions

paper · pdf · doi:10.48550/arxiv.0908.2171

Abstract

We report a combination of the CDF and D0 measurements of the inclusive single top quark production cross section in the s- and t-channels in ppbar collisions at a center of mass energy of 1.96TeV. The total integrated luminosity included in CDF's analysis is 3.2 fb^-1 and D0's analysis has 2.3 fb^-1. A Bayesian analysis is used to extract the cross section from the distributions of multivariate discriminants provided by the collaborations. For a top quark mass m_t=170 GeV/c², we measure a cross section of 2.76 +0.58 -0.47 pb. We extract the CKM matrix element |Vtb|=0.88+-0.07 with a 95% C.L. lower limit of |Vtb|>0.77.

Related

• Combination of Single Top Quark Production Results from CDF
• Single Top Quark Measurements at the Tevatron
• Single top quark production at the Tevatron
• Single Top Production at the Tevatron
• Recent results in the top quark sector from the D0 experiment