Proof-of-concept for NLO matrix element method via POWHEG projections applied to fully leptonic WW production in SMEFT, demonstrating near-optimal classification of BSM versus SM events using lepton correlations.
Precision diboson measurements at hadron colliders
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abstract
We discuss the measurements of the anomalous triple gauge couplings at Large Hadron Collider focusing on the contribution of the ${\cal O}_{3W}$ and ${\cal O}_{3\tilde W}$ operators. These deviations were known to be particularly hard to measure due to their suppressed interference with the SM amplitudes in the inclusive processes, leading to approximate flat directions in the space of these Wilson coefficients. We present the prospects for the measurements of these interactions at HL-LHC and HE-LHC using exclusive variables sensitive to the interference terms and taking carefully into account effects appearing due to NLO QCD corrections.
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Quantum tomography of diboson spin density matrices provides superior simultaneous sensitivity to CP-even and CP-odd SMEFT operators compared to traditional angular observables.
Forward muon detection at muon colliders enables Higgs property measurements, invisible new physics searches via Higgs portal, and characterization of vector boson scattering through angular correlations.
citing papers explorer
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Matrix element method at NLO: A fine proof of concept in POWHEG
Proof-of-concept for NLO matrix element method via POWHEG projections applied to fully leptonic WW production in SMEFT, demonstrating near-optimal classification of BSM versus SM events using lepton correlations.
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Odd Physics Off the Diagonal: Constraining CP-violating SMEFT with Quantum Tomography
Quantum tomography of diboson spin density matrices provides superior simultaneous sensitivity to CP-even and CP-odd SMEFT operators compared to traditional angular observables.
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Why detect forward muons at a muon collider
Forward muon detection at muon colliders enables Higgs property measurements, invisible new physics searches via Higgs portal, and characterization of vector boson scattering through angular correlations.