S. Simula

collaborators

4 papers

hep-lat2026

Complete lattice QCD calculation of $K^{-} \to ℓ^{-} I^ˉ ½_{ℓ} ℓ^{^{'} +} ℓ^{^{'} -}$ form factors

R. Di Palma, R. Frezzotti, G. Gagliardi +6

We present the first complete lattice QCD calculation of the four structure-dependent form factors governing the rare charged kaon decay $K^- \to \ell^- \barÎ½_\ell \ell'^+ \ell'^-…

hep-ph2026

Rare kaon decays $K^{-} \to ℓ^{-} I^ˉ ½_{ℓ} ℓ^{' +} ℓ^{' -}$ : Standard Model predictions from lattice QCD

R. Di Palma, R. Frezzotti, G. Gagliardi +6

Weak decays of charged kaons with an additional lepton-antilepton pair, $K^{-} \to ℓ^{-} I^ˉ ½_{ℓ} ℓ^{' +} ℓ^{' -}$ ( $K_{ℓ 2 ℓ^{'}}$ ), are suppressed at order $O(G_{F}^{2}Î±_…

hep-lat2026

Theoretical framework for lattice QCD computations of $B \to K ℓ^{+} ℓ^{-}$ and $B ˉ_{s} \to ℓ^{+} ℓ^{-} I^^{3}$ decays rates, including contributions from charming penguin diagrams

R. Frezzotti, G. Gagliardi, V. Lubicz +6

We develop a strategy for computing the $B \to K ℓ^{+} ℓ^{-}$ and $B ˉ_{s} \to I^^{3} ℓ^{+} ℓ^{-}$ decay amplitudes using lattice QCD (where $ℓ^{\pm}$ are charged leptons). We focus on…

hep-ph2025

What we can learn from the angular differential rates (only) in semileptonic $B \to D^{*} ℓ I^½_{ℓ}$ decays

G. Martinelli, S. Simula, L. Vittorio

We present a simple approach to the study of semileptonic $B \to D^{*} ℓ I^½_{ℓ}$ decays based on the angular distributions of the final state particles only. Our approach is mode…

Complete lattice QCD calculation of K−→ℓ−I^ˉ½ℓ​ℓ′+ℓ′− form factors

Rare kaon decays K−→ℓ−I^ˉ½ℓ​ℓ′+ℓ′−: Standard Model predictions from lattice QCD

Theoretical framework for lattice QCD computations of B→Kℓ+ℓ− and Bˉs​→ℓ+ℓ−I^3 decays rates, including contributions from charming penguin diagrams

What we can learn from the angular differential rates (only) in semileptonic B→D∗ℓI^½ℓ​ decays

Complete lattice QCD calculation of $K^{-} \to ℓ^{-} I^ˉ ½_{ℓ} ℓ^{^{'} +} ℓ^{^{'} -}$ form factors

Rare kaon decays $K^{-} \to ℓ^{-} I^ˉ ½_{ℓ} ℓ^{' +} ℓ^{' -}$ : Standard Model predictions from lattice QCD

Theoretical framework for lattice QCD computations of $B \to K ℓ^{+} ℓ^{-}$ and $B ˉ_{s} \to ℓ^{+} ℓ^{-} I^^{3}$ decays rates, including contributions from charming penguin diagrams

What we can learn from the angular differential rates (only) in semileptonic $B \to D^{*} ℓ I^½_{ℓ}$ decays