Status of the observed and predicted b bar{b} production at the Tevatron

Abstract

We review the experimental status of the b-quark production at the Fermilab Tevatron. We compare all available measurements to perturbative QCD predictions (NLO and FONLL) and also to the parton-level cross section evaluated with parton-shower Monte Carlo generators. We examine both the single $b$ cross section and the so called b bar{b} correlations. The review shows that the experimental situation is quite complicated because the measurements appear to be inconsistent among themselves. In this situation, there is no solid basis to either claim that perturbative QCD is challenged by these measurements or, in contrast, that long-standing discrepancies between data and theory have been resolved by incrementally improving the measurements and the theoretical prediction.

15 pages, 2 tables. Submitted to PRD

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Cited by in corpus (8)

• Finite-Mass Effects on Inclusive B-Meson Hadroproduction
• Measurement of correlated b-bbar production in p-pbar collisions at sqrt(s)=1960GeV
• Measurement of the b-Hadron Production Cross Section Using Decays to mu^- D^0 X Final States in ppbar Collisions at sqrt s = 1.96 TeV
• First Measurement of the Ratio of Branching Fractions B(Lambda_b to Lambda_c mu nu)/B(Lambda_b to Lambda_c pi)
• Standard Model backgrounds to supersymmetry searches
• Understanding the Standard Model, as a bridge to the discovery of new phenomena at the LHC
• Measurement of Heavy Quark cross-sections at CDF
• Latest Results on Bottom Spectroscopy and Production with CDF