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New frontiers in LHC discovery strategies

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The LHC could already be a dark matter factory and we would have no idea. Key targets in supersymmetry illustrate this pressing problem, such as 100 GeV Higgsinos, whose cross-sections would mean over a million signal events produced to date. But formidable backgrounds obscure its challenging soft lepton signatures in ATLAS . One interesting proposal uses the LHC as a photon collider sourced by electric fields surrounding the protons. Tagging intact protons could allow full missing momentum reconstruction for the first time at hadron colliders, opening a new frontier for discovering dark matter.

This talk is part of the Cavendish HEP Seminars series.

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