Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..aprs15004h&link_type=abstract
American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As
Astronomy and Astrophysics
Astrophysics
Scientific paper
Many supersymmetric extensions of the Standard Model predict greatly enhanced production of neutral Higgs Bosons accompanied by two bottom quarks in pbar-p collisions. This paper describes such a search at the D0 experiment, located at the Tevatron pbar-p collider at Fermi National Accelerator Laboratory. There are many difficulties in distinguishing this possible signal from the abundant backgrounds (mainly QCD). Bottom-quark jets must be identified efficiently and with great purity, which requires excellent tracking at low momentum (pT) and also in the forward regions of the detector. Good resolution of the invariant-mass of b-jet pairs is needed to observe the Higgs signal. Also, properly simulating the QCD multi-jet background is non-trivial. This talk describes the state of the analysis at D0, briefly detailing the search method, reconstruction algorithms, the current state of the data from D0, and future plans.
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