Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2008-09-22
Phys.Rev.D79:011101,2009
Physics
High Energy Physics
High Energy Physics - Experiment
8 pages, 7 figures. Final version which appeared in Physical Review D Rapid Communications
Scientific paper
10.1103/PhysRevD.79.011101
Data collected in Run II of the Fermilab Tevatron are searched for indications of new electroweak-scale physics. Rather than focusing on particular new physics scenarios, CDF data are analyzed for discrepancies with the standard model prediction. A model-independent approach (Vista) considers gross features of the data, and is sensitive to new large cross-section physics. Further sensitivity to new physics is provided by two additional algorithms: a Bump Hunter searches invariant mass distributions for "bumps" that could indicate resonant production of new particles; and the Sleuth procedure scans for data excesses at large summed transverse momentum. This combined global search for new physics in 2.0/fb of ppbar collisions at sqrt(s)=1.96 TeV reveals no indication of physics beyond the standard model.
Aaltonen Timo
CDF Collaboration
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