J. Swallow

activity

20202026

collaborators

4 papers

hep-ph2026

Prospects for $K_{L} \to π^{0} ν ν ˉ$ , $K_{S} \to μ^{+} μ^{-}$ , $K_{L} \to π^{0} ℓ^{+} ℓ^{-}$ and $ε^{'} / ε$ after the new $K^{+} \to π^{+} ν ν ˉ$ result from NA62

Monika Blanke, Andrzej J. Buras, Cristina Lazzeroni +1

The recently announced NA62 measurement of the $K^{+} \to π^{+} ν ν ˉ$ branching ratio, based on 2016--2024 data, is fully consistent with its very accurate Standard Model (SM) predi…

hep-ph2026

Dark Matter emission at Belle II and NA62 in Minimal Flavor Violation framework

Federico Mescia, Shohei Okawa, Joel Swallow +1

Minimal Flavor Violation (MFV) provides a compelling framework for exploring physics beyond the Standard Model, in which new QCD-singlet fields transforming under the global $\math…

hep-ph2025

New bound on the vectorial axion-down-strange coupling from $K^{+} \to π^{+} ν ν ˉ$ data

Diego Guadagnoli, Axel Iohner, Cristina Lazzeroni +3

We reinterpret publicly available $K^{+} \to π^{+} ν ν ˉ$ data collected by NA62 from 2016 to 2024 to constrain the fundamental vectorial coupling of the QCD axion to down and strange…

hep-ex2020

Searches for lepton flavour and lepton number violation in $K^{+}$ decays at NA62

Joel Swallow, for the NA62 Collaboration

A search for the lepton number violating $K^{+} \to π^{-} μ^{+} e^{+}$ and lepton flavour violating $K^{+} \to π^{+} μ^{-} e^{+}$ decays is reported using NA62 data collect…

Prospects for KL​→π0ννˉ, KS​→μ+μ−, KL​→π0ℓ+ℓ− and ε′/ε after the new K+→π+ννˉ result from NA62

Dark Matter emission at Belle II and NA62 in Minimal Flavor Violation framework

New bound on the vectorial axion-down-strange coupling from K+→π+ννˉ data

Searches for lepton flavour and lepton number violation in K+ decays at NA62

Prospects for $K_{L} \to π^{0} ν ν ˉ$ , $K_{S} \to μ^{+} μ^{-}$ , $K_{L} \to π^{0} ℓ^{+} ℓ^{-}$ and $ε^{'} / ε$ after the new $K^{+} \to π^{+} ν ν ˉ$ result from NA62

New bound on the vectorial axion-down-strange coupling from $K^{+} \to π^{+} ν ν ˉ$ data

Searches for lepton flavour and lepton number violation in $K^{+}$ decays at NA62