No significant excess observed; 95% CL exclusion of higgsino electroweakinos with mass splittings 0.28-1.15 GeV and chargino masses up to 185 GeV using soft-track and neural-network selection.
Upper bounds on supersymmetric particle masses
5 Pith papers cite this work, alongside 1,124 external citations. Polarity classification is still indexing.
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Using low-momentum muon pairs and lepton-plus-track events, CMS finds no new physics and sets new exclusion limits on compressed Higgsinos, reaching 115 GeV at a 3.5 GeV splitting.
No significant excess found in single-lepton high-multiplicity jet events; gluino masses below 1890 GeV excluded at 95% CL in R-parity violating SUSY model.
Natural SUSY with axino LSP allows viable mixed axion-axino dark matter matching the observed abundance for axino masses near 100 keV and PQ scales of 10^11 to 3x10^12 GeV in DFSZ and KSVZ models.
Bayesian statistics supplies an automatic Occam's razor that penalizes unnatural models needing precise fine-tuning to agree with data, justifying naturalness arguments without aleatoric uncertainty.
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Natural SUSY with mixed axion/axino dark matter
Natural SUSY with axino LSP allows viable mixed axion-axino dark matter matching the observed abundance for axino masses near 100 keV and PQ scales of 10^11 to 3x10^12 GeV in DFSZ and KSVZ models.