Constraints on lepton universality violation from rare decays

M Ciuchini, M Fedele, E Franco, A Paul, L Silvestrini… - Physical Review D, 2023 - APS
The LHCb Collaboration has recently released a new study of B+→ K+ ℓ+ ℓ-and B→ K* 0 ℓ+
ℓ-(ℓ= e, μ) decays, testing lepton universality with unprecedented accuracy using the whole …

Implications of new evidence for lepton-universality violation in decays

LS Geng, B Grinstein, S Jäger, SY Li, JM Camalich… - Physical Review D, 2021 - APS
Motivated by renewed evidence for new physics in b→ s ℓ ℓ transitions in the form of LHCb's
new measurements of theoretically clean lepton-universality ratios and the purely leptonic B …

Lessons from the angular analyses

M Ciuchini, M Fedele, E Franco, A Paul, L Silvestrini… - Physical Review D, 2021 - APS
We perform an analysis within the Standard Model of B 0,+→ K* 0,+ μ+ μ-decays in light of
the recent measurements from the LHCb experiment, showing that new data strengthen the …

Violation of custodial symmetry from -boson mass measurements

A Paul, M Valli - Physical Review D, 2022 - APS
The new measurement of the W-boson mass from the CDF Collaboration shows a significant
tension with the Standard Model prediction. We quantify this discrepancy within a state-of …

Putting standard model EFT fits to work

S Dawson, S Homiller, SD Lane - Physical Review D, 2020 - APS
The Standard Model effective field theory (SMEFT) provides a consistent framework for
comparing precision measurements at the LHC to the Standard Model. The observation of …

Role of dimension-eight operators in an EFT for the 2HDM

S Dawson, D Fontes, S Homiller, M Sullivan - Physical Review D, 2022 - APS
The Standard Model effective field theory (SMEFT) is the tool of choice for studying
deviations of Higgs couplings from the Standard Model predictions. The SMEFT is an …

The importance of flavor in SMEFT Electroweak Precision Fits

L Bellafronte, S Dawson, PP Giardino - Journal of High Energy Physics, 2023 - Springer
A bstract Effective field theory tools are essential for exploring non-Standard Model physics
at the LHC in the absence of the discovery of new light particles. Predictions for observables …

Flavorful electroweak precision observables in the Standard Model effective field theory

S Dawson, PP Giardino - Physical Review D, 2022 - APS
Electroweak precision observables (EWPOs) measured at the W and Z poles provide
stringent limits on possible beyond the Standard Model physics scenarios. In an effective …

[HTML][HTML] Charming penguins and lepton universality violation in b→ s ℓ+ ℓ-decays

M Ciuchini, M Fedele, E Franco, A Paul… - The European Physical …, 2023 - Springer
The LHCb experiment has recently presented new results on Lepton Universality Violation
(LUV) in B→ K (∗) ℓ+ ℓ-decays involving KS in the final state, which strengthen the recent …

[HTML][HTML] Computing tools for effective field theories: SMEFT-Tools 2022 Workshop Report, 14–16th September 2022, Zürich

J Aebischer, M Fael, J Fuentes-Martìn… - The European Physical …, 2024 - Springer
In recent years, theoretical and phenomenological studies with effective field theories have
become a trending and prolific line of research in the field of high-energy physics. In order to …