Specialized data-taking and data-processing techniques were introduced by the CMS
experiment in Run 1 of the CERN LHC to enhance the sensitivity of searches for new …

The LHC has provided an unprecedented amount of proton–proton collision data, bringing
forth exciting opportunities to address fundamental open questions in particle physics …

The observation of the production of four top quarks in proton-proton collisions is reported,
based on a data sample collected by the CMS experiment at a center-of-mass energy of 13 …

Observation of quantum entanglement in top quark pair production in proton–proton collisions
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The performance is presented of the reconstruction and identification algorithms for
electrons and photons with the CMS experiment at the LHC. The reported results are based …

A bstract A search is presented for physics beyond the standard model (SM) using electron
or muon pairs with high invariant mass. A data set of proton-proton collisions collected by …

A bstract Evidence for Higgs boson decay to a pair of muons is presented. This result
combines searches in four exclusive categories targeting the production of the Higgs boson …

A bstract Measurements of Higgs boson production cross sections and couplings in events
where the Higgs boson decays into a pair of photons are reported. Events are selected from …

The top quark mass is one of the most intriguing parameters of the standard model (SM). Its
value indicates a Yukawa coupling close to unity, and the resulting strong ties to Higgs …

Tau leptons play a crucial role in determining the nature of the 125GeV Higgs boson [1–5],
in searching for additional Higgs bosons [6–13], and in searching for other new particles [14 …