Search for Neutral Higgs Bosons in Events with Multiple Bottom Quarks at the Tevatron

TL;DR

This paper reports combined searches by CDF and D0 at the Tevatron for neutral Higgs bosons produced with b quarks, setting upper limits on production cross sections in the 90-300 GeV mass range, with implications for supersymmetry.

Contribution

First combined analysis of Tevatron data searching for neutral Higgs bosons with multiple b jets, providing new limits relevant for supersymmetric models.

Findings

Set upper limits on Higgs production cross section between 44 pb and 0.7 pb.

Excluded certain parameter regions in the minimal supersymmetric standard model.

No significant excess observed in the data.

Abstract

The combination of searches performed by the CDF and D0 collaborations at the Fermilab Tevatron Collider for neutral Higgs bosons produced in association with b quarks is reported. The data, corresponding to 2.6 fb-1 of integrated luminosity at CDF and 5.2 fb-1 at D0, have been collected in final states containing three or more b jets. Upper limits are set on the cross section multiplied by the branching ratio varying between 44 pb and 0.7 pb in the Higgs boson mass range 90 to 300 GeV, assuming production of a narrow scalar boson. Significant enhancements to the production of Higgs bosons can be found in theories beyond the standard model, for example in supersymmetry. The results are interpreted as upper limits in the parameter space of the minimal supersymmetric standard model in a benchmark scenario favoring this decay mode.