First evidence for ZZ gamma production at 3.7 sigma and observation of 4 lepton gamma at 5.0 sigma in CMS data at 13 TeV, with measured fiducial cross sections consistent with predictions.
Measurement of the Properties of a Higgs Boson in the Four-Lepton Final State
4 Pith papers cite this work, alongside 504 external citations. Polarity classification is still indexing.
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CMS implemented a particle-flow algorithm that reconstructs a complete list of final-state particles per collision, delivering superior performance for jets, hadronic taus, missing transverse momentum, and lepton identification up to 20 pileup interactions.
The rare Higgs decay H to four bottom quarks has a branching ratio of order 1.6e-3 with relevant destructive interference and is observable at 3-5 sigma at HL-LHC and ILC via boosted decision tree analyses in WH and ZH production.
In a radiative-seesaw model, one-loop neutrino exchange produces CP-even ZZh anomalous couplings as large as ~10^-3, while CP-odd couplings stay at ~10^-15.
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Evidence of ZZ$\gamma$ production and observation of $4\ell\gamma$ in proton-proton collisions at $\sqrt{s}$ = 13 TeV
First evidence for ZZ gamma production at 3.7 sigma and observation of 4 lepton gamma at 5.0 sigma in CMS data at 13 TeV, with measured fiducial cross sections consistent with predictions.
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Particle-flow reconstruction and global event description with the CMS detector
CMS implemented a particle-flow algorithm that reconstructs a complete list of final-state particles per collision, delivering superior performance for jets, hadronic taus, missing transverse momentum, and lepton identification up to 20 pileup interactions.
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Probing the Rare Four-Bottom Higgs Decay $H\to b\bar b b\bar b$ at the HL-LHC and ILC
The rare Higgs decay H to four bottom quarks has a branching ratio of order 1.6e-3 with relevant destructive interference and is observable at 3-5 sigma at HL-LHC and ILC via boosted decision tree analyses in WH and ZH production.
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New physics in the $ZZh$ vertex: One-loop contributions from a radiative seesaw model
In a radiative-seesaw model, one-loop neutrino exchange produces CP-even ZZh anomalous couplings as large as ~10^-3, while CP-odd couplings stay at ~10^-15.