Search for neutral Higgs bosons at high tan(beta) in the b(h/H/A)->btautau channel

TL;DR

This paper reports the first search for neutral Higgs bosons produced with bottom quarks and decaying into tau pairs in proton-antiproton collisions, setting limits that constrain MSSM parameter space.

Contribution

It presents the first search in this channel at the Tevatron, providing new experimental limits on neutral Higgs boson production at high tan(beta).

Findings

Set upper limits on Higgs production cross section.

Excluded parts of MSSM parameter space.

Analyzed data from 328 pb-1 at 1.96 TeV.

Abstract

The first search in ppbar collisions at sqrt(s)=1.96 GeV for the production of neutral Higgs bosons in association with bottom quarks and decaying in two tau leptons is presented. The cross section for this process is enhanced in many extensions of the Standard Model (SM), such as its minimal supersymmetric extension (MSSM) at large tan(beta). The data, corresponding to an integrated luminosity of 328 pb-1, were collected with the D0 detector at the Fermilab Tevatron Collider. An upper limit is set on the production cross section of neutral Higgs bosons in the mass range of 90 to 150 GeV, and this limit is used to exclude part of the MSSM parameter space.