Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..apri14013f&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
In this talk we will present a study of the improvement in measurement of the top quark mass using a subset of top quark events with dileptons in the final state topology. The rate for these events is rather small, but this final state signature has the least background and is hence the cleanest. We will use dynamical likelihood methods to reconstruct the top quark mass using dilepton events. The study will focus on the determination of the expected precision on the top quark mass measurement using the data sample which will be collected by the DØexperiment at the Fermilab Tevatron in the next few years. The improvement in the determination of the top mass measurement provided by these events will add significantly to the overall precision of the top mass determination using all the final state topologies. Within the framework of the Standard Model, the top quark mass and the W boson mass measurements help constrain the mass of the elusive Higgs Boson.
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