Testing ATLAS Diboson Excess with Dark Matter Searches at LHC
Abstract
The ATLAS collaboration has recently reported a 2.6 sigma excess in the search for a heavy resonance decaying into a pair of weak gauge bosons. Only fully hadronic final states are being looked for in the analysis. If the observed excess really originates from the gauge bosons' decays, other decay modes of the gauge bosons would inevitably leave a trace on other exotic searches. In this paper, we propose the use of the Z boson decay into a pair of neutrinos to test the excess. This decay leads to a very large missing energy and can be probed with conventional dark matter searches at the LHC. We discuss the current constraints from the dark matter searches and the prospects. We find that optimizing these searches may give a very robust probe of the resonance, even with the currently available data of the 8 TeV LHC.
Cite
@article{arxiv.1507.08273,
title = {Testing ATLAS Diboson Excess with Dark Matter Searches at LHC},
author = {Seng Pei Liew and Satoshi Shirai},
journal= {arXiv preprint arXiv:1507.08273},
year = {2015}
}
Comments
10 pages, 2 figures; v2: added references, fixed typos; v3: added some clarifications and figures showing MET distributions, published version