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Consistent excesses in electroweak SUSY searches at the LHC
by
Manimala Chakraborti
→
Europe/Berlin
Description
Superpartners with electroweak interactions are some of the most actively sought-after particles at the LHC. Electroweak superparticles with masses as low as a few hundred GeV are still allowed by the existing LHC searches. A combination of direct limits from the LHC and indirect bounds from dark matter can put clear upper and lower bounds on these masses, setting up targets for the upcoming collider experiments. The minimal supersymmetric standard model (MSSM) can also offer explanations for the muon g-2 anomaly. Interestingly, recent searches for chargino-neutralino pair production in the 'compressed spectra' region show mild but consistent excesses in the soft 2/3 leptons + missing energy, and monojet searches in the ~ 200 GeV mass region. This mass configuration arises in MSSM with wino/bino or higgsino dark matter (DM) scenarios, where the lightest supersymmetric particle can serve as a candidate for DM. In this talk, I will discuss the impact of the latest LHC constraints on the parameter space of the electroweak MSSM, focusing on the explanation of the excesses within the MSSM. I will also talk about the future search strategies for these scenarios.
