Top pair invariant mass distribution: a window on new physics

Details Top pair invariant mass distribution: a window on new physics Top pair invariant mass distribution: a window on new physics

2007-12-14

arxiv.org/abs/0712.2355v3

JHEP 0901:047,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

32 pages, 18 figures; Improvements on the section about the top quark mass dependence, including one more figure

Scientific paper

10.1088/1126-6708/2009/01/047

We explore in detail the physics potential of a measurement of the ttbar invariant mass distribution. First, we assess the accuracy of the best available predictions for this observable and find that in the low invariant mass region, the shape is very well predicted and could be used to perform a top mass measurement. Second, we study the effects of a heavy s-channel resonance on the ttbar invariant mass distribution, in a model independent way. We provide the necessary Monte Carlo tools to perform the search and outline a simple three-step analysis.

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