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 …

New physics searches at kaon and hyperon factories

E Goudzovski, D Redigolo, K Tobioka… - Reports on Progress …, 2023 - iopscience.iop.org
Rare meson decays are among the most sensitive probes of both heavy and light new
physics. Among them, new physics searches using kaons benefit from their small total decay …

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 …

Implications of an enhanced branching ratio

R Bause, H Gisbert, G Hiller - Physical Review D, 2024 - APS
Rare decays mediated by b→ s ν ν¯ transitions have been reported by the Belle II
experiment. The branching ratio of the decay B+→ K+ ν ν¯ is found to be enhanced with …

[HTML][HTML] Understanding the first measurement of B (B→ Kνν)

L Allwicher, D Bečirević, G Piazza, S Rosauro-Alcaraz… - Physics Letters B, 2024 - Elsevier
Recently, Belle II reported on the first measurement of B (B±→ K±ν ν¯) which appears to be
almost 3σ larger than predicted in the Standard Model. We point out the important …

Flavor phenomenology of the leptoquark singlet-triplet model

A Crivellin, D Müller, F Saturnino - Journal of High Energy Physics, 2020 - Springer
A bstract In recent years, experiments revealed intriguing hints for new physics (NP) in semi-
leptonic B decays. Both in charged current processes, involving b→ cτν transitions, and in …

[HTML][HTML] Revisiting decays in the Standard Model and beyond

D Bečirević, G Piazza, O Sumensari - The European Physical Journal C, 2023 - Springer
In this letter we revisit the Standard Model predictions for\({\mathcal {B}}(B\rightarrow
K^{(*)}\nu {\bar {\nu}})\) and discuss the opportunities that open up when combining its …

Importance of Loop Effects in Explaining the Accumulated Evidence for New Physics in Decays with a Vector Leptoquark

A Crivellin, C Greub, F Saturnino, D Müller - Physical review letters, 2019 - APS
In recent years experiments revealed intriguing hints for new physics (NP) in B decays
involving b→ c τ ν and b→ s ℓ+ ℓ-transitions at the 4 σ and 5 σ level, respectively. In addition …

Combined explanation of -mass, muon , and anomalies in a singlet-triplet scalar leptoquark model

A Bhaskar, AA Madathil, T Mandal, S Mitra - Physical Review D, 2022 - APS
In addition to the long-standing anomalies seen in the muon g-2, RK (*), and RD (*)
observables by various independent experiments, the CDF Collaboration has found another …

Scalar leptoquarks from grand unified theories to accommodate the -physics anomalies

D Bečirević, I Doršner, S Fajfer, DA Faroughy, N Košnik… - Physical Review D, 2018 - APS
We address the B-physics anomalies within a two scalar leptoquark model. The low-energy
flavor structure of our setup originates from two SU (5) operators that relate Yukawa …