Constraints on lepton universality violation from rare decays
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 …
ℓ-(ℓ= e, μ) decays, testing lepton universality with unprecedented accuracy using the whole …
Patterns of New Physics in b→ sℓ+ ℓ− transitions in the light of recent data
B Capdevila, A Crivellin, S Descotes-Genon… - Journal of High Energy …, 2018 - Springer
A bstract In the Standard Model (SM), the rare transitions where a bottom quark decays into
a strange quark and a pair of light leptons exhibit a potential sensitivity to physics beyond …
a strange quark and a pair of light leptons exhibit a potential sensitivity to physics beyond …
Lessons from the angular analyses
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 …
the recent measurements from the LHCb experiment, showing that new data strengthen the …
[HTML][HTML] HEPfit: a code for the combination of indirect and direct constraints on high energy physics models
J de Blas, D Chowdhury, M Ciuchini… - The European Physical …, 2020 - Springer
HEPfit is a flexible open-source tool which, given the Standard Model or any of its
extensions, allows to (i) fit the model parameters to a given set of experimental …
extensions, allows to (i) fit the model parameters to a given set of experimental …
[HTML][HTML] On flavourful easter eggs for new physics hunger and lepton flavour universality violation
M Ciuchini, AM Coutinho, M Fedele, E Franco… - The European Physical …, 2017 - Springer
Within the standard approach of effective field theory of weak interactions for\varDelta B= 1 Δ
B= 1 transitions, we look for possibly unexpected subtle New Physics effects, here dubbed …
B= 1 transitions, we look for possibly unexpected subtle New Physics effects, here dubbed …
Hadronic uncertainties in B→ K∗ μ+ μ−: a state-of-the-art analysis
B Capdevila, S Descotes-Genon, L Hofer… - Journal of High Energy …, 2017 - Springer
A bstract In the absence of direct evidence for New Physics at present LHC energies, the
focus is set on the anomalies and discrepancies recently observed in rare b→ sℓℓ transitions …
focus is set on the anomalies and discrepancies recently observed in rare b→ sℓℓ transitions …
The CKM parameters
S Descotes-Genon… - Annual Review of Nuclear …, 2017 - annualreviews.org
The Cabibbo–Kobayashi–Maskawa (CKM) matrix is a key element in describing flavor
dynamics in the Standard Model. With only four parameters, this matrix is able to describe a …
dynamics in the Standard Model. With only four parameters, this matrix is able to describe a …
[HTML][HTML] B anomalies under the lens of electroweak precision
A bstract The measurements carried out at LEP and SLC projected us into the precision era
of electroweak physics. This has also been relevant in the theoretical interpretation of LHCb …
of electroweak physics. This has also been relevant in the theoretical interpretation of LHCb …
[HTML][HTML] A nonunitary interpretation for a single vector leptoquark combined explanation to the B-decay anomalies
C Hati, J Kriewald, J Orloff, AM Teixeira - Journal of High Energy Physics, 2019 - Springer
A bstract In order to simultaneously account for both RD (∗) and RK (∗) anomalies in B-
decays, we consider an extension of the Standard Model by a single vector leptoquark field …
decays, we consider an extension of the Standard Model by a single vector leptoquark field …
[HTML][HTML] The fate of vector leptoquarks: the impact of future flavour data
C Hati, J Kriewald, J Orloff, AM Teixeira - The European Physical Journal …, 2021 - Springer
Motivated by the recent experimental progress on the B-meson decay anomalies (in
particular the angular observables in B → K^* μ μ B→ K∗ μ μ), we rely on a simplified-model …
particular the angular observables in B → K^* μ μ B→ K∗ μ μ), we rely on a simplified-model …