Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..aprn17119r&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
The LHC can be considered as a top-factory, with about 10 million t\overlinet events produced in one year of running at low luminosity. This large data set will allow very precise measurements of the properties of the top quark that may reveal New Physics. The mass of the top quark will be measured with a precision of better than 2 GeV. The top quark Yukawa coupling can be determined with a precision of better than 10% for a Higgs mass of about 100 GeV. t\overlinet spin correlations can be observed and used to study anomalous couplings or CP violation. Heavy resonances decaying to t\overlinet pairs could be detected with masses up to 3 TeV. Rare decays of the top quark can be probed for branching ratios as small as 10-5. Finally, the detailed study of three different mechanisms of electroweak single top production will yield a wealth of information, including precision measurements of V_tb and of the W and top polarisations, and searches for anomalous couplings.
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