Elastic positivity from a modified forward dispersion relation constrains the twelve dim-8 Wilson coefficients of the photon–dark-photon EFT to a spectrahedral cone, with hierarchies for non-forward mixed amplitudes and distinct loci for kinetic-mixing and dark-axion UV completions.
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2 Pith papers cite this work. Polarity classification is still indexing.
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First prediction of the branching fraction for K*(892) → K ℓ⁺ℓ⁻ and its application to dark photon searches via the dilepton spectrum.
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The Positivity Geometry of Photon--Dark-Photon Effective Field Theories
Elastic positivity from a modified forward dispersion relation constrains the twelve dim-8 Wilson coefficients of the photon–dark-photon EFT to a spectrahedral cone, with hierarchies for non-forward mixed amplitudes and distinct loci for kinetic-mixing and dark-axion UV completions.
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Dalitz decay of $K^*(892) \rightarrow K \ell^+\ell^-$: A New Probe for Hadronic Structure and Dark Photon Searches
First prediction of the branching fraction for K*(892) → K ℓ⁺ℓ⁻ and its application to dark photon searches via the dilepton spectrum.