B Flavor Anomalies: 2021 Theoretical Status Report

D London, J Matias - Annual Review of Nuclear and Particle …, 2022 - annualreviews.org
At the present time (2022), there are discrepancies with the predictions of the Standard
Model in several observables involving b→ s ℓ+ ℓ− and decays. These are the B flavor …

Unveiling hidden physics at the LHC

O Fischer, B Mellado, S Antusch, E Bagnaschi… - The European Physical …, 2022 - Springer
The field of particle physics is at the crossroads. The discovery of a Higgs-like boson
completed the Standard Model (SM), but the lacking observation of convincing resonances …

[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\(R_K\) …

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 …

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 …

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 …

Rare b decays meet high-mass Drell-Yan

A Greljo, J Salko, A Smolkovič, P Stangl - Journal of High Energy Physics, 2023 - Springer
A bstract Rare b hadron decays are considered excellent probes of new semileptonic four-
fermion interactions of microscopic origin. However, the same interactions also correct the …

Reading the footprints of the B-meson flavor anomalies

C Cornella, DA Faroughy, J Fuentes-Martin… - Journal of High Energy …, 2021 - Springer
A bstract Motivated by the recent LHCb announcement of a 3. 1σ violation of lepton-flavor
universality in the ratio RK= Γ (B→ Kμ+ μ−)/Γ (B→ Ke+ e−), we present an updated …

global fits after and

M Algueró, B Capdevila, S Descotes-Genon… - The European Physical …, 2022 - Springer
We present an up-to-date complete model-independent global fit to b→ s ℓ ℓ observables
that confirms patterns of New Physics able to explain the data. We include the recent LHCb …

Continuing search for new physics in b→ sμμ decays: two operators at a time

AK Alok, A Dighe, S Gangal, D Kumar - Journal of High Energy Physics, 2019 - Springer
The anomalies in the measurements of observables involving b→ sμμ decays, namely RK,
RK*, P 5′, and B s ϕ, may be addressed by adding lepton-universality-violating new …