Reach the Bottom Line of the Sbottom Search

Details Reach the Bottom Line of the Sbottom Search Reach the Bottom Line of the Sbottom Search

2012-04-23

arxiv.org/abs/1204.5182v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 6 figures

Scientific paper

We propose a new search strategy for directly-produced sbottoms at the LHC with a small mass splitting between the sbottom and its decayed stable neutralino. Our search strategy is based on boosting sbottoms through an energetic initial state radiation jet. In the final state, we require a large missing transverse energy and one or two b-jets besides the initial state radiation jet. We also define a few kinematic variables to further increase the discovery reach. For the case that the sbottom mainly decays into the bottom quark and the stable neutralino, we have found that even for a mass splitting as small as 10 GeV sbottoms with masses up to around 400 GeV can be excluded at the 95% confidence level with 20 inverse femtobarn data at the 8 TeV LHC.

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