Probing Minimal Flavor Violation with Long-Lived Stops and Light Gravitinos at Hadron Colliders

Details Probing Minimal Flavor Violation with Long-Lived Stops and Light Gravitinos at Hadron Colliders Probing Minimal Flavor Violation with Long-Lived Stops and Light Gravitinos at Hadron Colliders

2011-12-22

arxiv.org/abs/1112.5324v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 6 figures

Scientific paper

In the framework of minimal flavor violation (MFV), we discuss the decay properties of a supersymmetric scalar top (stop) in the presence of a light gravitino. Given a small mass difference between the lighter stop and lightest neutralino and an otherwise sufficiently decoupled spectrum, the stop may be long-lived and thus can provide support to MFV at hadron colliders. For a bino-like lightest neutralino, we apply bounds from searches in the gamma gamma plus missing transverse energy channel (ATLAS with 1 fb^-1 and D0 with 6.3 fb^-1) and give a 5 fb^-1 projection for the ATLAS search.

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