Averages of b-hadron, c-hadron, and -lepton properties as of 2018: Heavy Flavor Averaging Group (HFLAV)

Y Amhis, S Banerjee, E Ben-Haim… - The European Physical …, 2021 - Springer
This paper reports world averages of measurements of b-hadron, c-hadron, and τ τ-lepton
properties obtained by the Heavy Flavour Averaging Group using results available through …

Review of semileptonic B anomalies

B Capdevila, A Crivellin, J Matias - The European Physical Journal Special …, 2024 - Springer
We review the current status and implications of the anomalies (ie deviations from the
Standard Model predictions) in semi-leptonic B meson decays, both in the charged and in …

Averages of -hadron, -hadron, and -lepton properties as of 2021

Y Amhis, S Banerjee, E Ben-Haim, E Bertholet… - Physical Review D, 2023 - APS
This paper reports world averages of measurements of b-hadron, c-hadron, and τ-lepton
properties obtained by the Heavy Flavor Averaging Group using results available before …

Test of lepton universality in beauty-quark decays

Nature Physics, 2022 - nature.com
The standard model of particle physics currently provides our best description of
fundamental particles and their interactions. The theory predicts that the different charged …

[HTML][HTML] New physics in rare B decays after Moriond 2021

W Altmannshofer, P Stangl - The European Physical Journal C, 2021 - Springer
The anomalies in rare B decays endure. We present results of an updated global analysis
that takes into account the latest experimental input–in particular the recent results on\(R_K\) …

To (b) e or not to (b) e: no electrons at LHCb

M Algueró, A Biswas, B Capdevila… - The European Physical …, 2023 - Springer
We discuss the impact of the recent LHCb update on the two lepton-flavour universality
ratios RK and RK∗, and the CMS update of B (B s→ μ+ μ-) regarding the possibility of New …

Tests of Lepton Universality Using and Decays

R Aaij, ASW Abdelmotteleb, C Abellán Beteta… - Physical review …, 2022 - APS
Tests of lepton universality in B 0→ KS 0 ℓ+ ℓ-and B+→ K*+ ℓ+ ℓ-decays where ℓ is either an
electron or a muon are presented. The differential branching fractions of B 0→ KS 0 e+ e …

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 …

Test of Lepton Universality in Decays

R Aaij, ASW Abdelmotteleb, C Abellan Beteta… - Physical Review Letters, 2023 - APS
The first simultaneous test of muon-electron universality using B+→ K+ ℓ+ ℓ-and B 0→ K* 0
ℓ+ ℓ-decays is performed, in two ranges of the dilepton invariant-mass squared, q 2. The …

Measurement of -Averaged Observables in the Decay

R Aaij, C Abellán Beteta, T Ackernley, B Adeva… - Physical review …, 2020 - APS
An angular analysis of the B 0→ K* 0 (→ K+ π-) μ+ μ-decay is presented using a dataset
corresponding to an integrated luminosity of 4.7 fb-1 of pp collision data collected with the …