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After several years of running of the LHC, new physics has
not been found yet. This is high time to invest significant effort to
explore the difficult corners of phase space. Data scouting or trigger
level analysis is one such attempt to explore low mass region. This
special data flow, based on event-size reduction rather than event
filtering, will be discussed in this talk. Scouting data is useful to
perform searches in regions where nominal triggers have reduced or zero
sensitivity. A new search for prompt dark-photons in the dimuon channel
has been performed in CMS, which utilises dimuon scouting data for low
mass, and it will be discussed in this talk. The lepton sector is a
promising place to look for new physics, and in this perspective the
charged lepton flavour violation is another exciting topic. Various
extensions of the standard model predicts lepton flavour violating
decays that can be observed at LHC. A search which looks for high mass
resonances in lepton flavour violating electron and muon final state
will be discussed in this talk. Lastly, the focus of searches in Run3 is
expected to shift from low-hanging fruits towards more unconventional
signatures like searches for long lived particles. The experimental
challenges for such searches will be discussed. |