The standard model effective field theory at work

G Isidori, F Wilsch, D Wyler - Reviews of Modern Physics, 2024 - APS
The striking success of the standard model in explaining precision data and, at the same
time, its lack of explanations for various fundamental phenomena, such as dark matter and …

[HTML][HTML] Review of searches for vector-like quarks, vector-like leptons, and heavy neutral leptons in proton–proton collisions at s= 13TeV at the CMS experiment

CMS collaboration - Physics Reports, 2024 - Elsevier
The LHC has provided an unprecedented amount of proton–proton collision data, bringing
forth exciting opportunities to address fundamental open questions in particle physics …

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 …

Searches for additional Higgs bosons and for vector leptoquarks in ττ final states in proton-proton collisions at = 13 TeV

A Tumasyan, W Adam, JW Andrejkovic… - Journal of High Energy …, 2023 - Springer
A bstract Three searches are presented for signatures of physics beyond the standard model
(SM) in ττ final states in proton-proton collisions at the LHC, using a data sample collected …

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 …

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 B (B→ K (∗) ν ν¯) and discuss the
opportunities that open up when combining its partial decay rate with that of B→ K (∗) ℓ ℓ. In …

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 …

Drell-Yan tails beyond the standard model

L Allwicher, DA Faroughy, F Jaffredo… - Journal of High Energy …, 2023 - Springer
A bstract We investigate the high-p T tails of the pp→ ℓν and pp→ ℓℓ Drell-Yan processes as
probes of New Physics in semileptonic interactions with an arbitrary flavor structure. For this …

Confronting the vector leptoquark hypothesis with new low-and high-energy data

J Aebischer, G Isidori, M Pesut, BA Stefanek… - The European Physical …, 2023 - Springer
In light of new data we present an updated phenomenological analysis of the simplified U 1-
leptoquark model addressing charged-current B-meson anomalies. The analysis shows a …

Impact of measurement on new physics in transitions

M Fedele, M Blanke, A Crivellin, S Iguro, T Kitahara… - Physical Review D, 2023 - APS
Measurements of the branching ratios of B→ D (*) τ ν¯/B→ D (*) ℓ ν¯ and B c→ J/ψ τ ν¯/B
c→ J/ψ ℓ ν¯ by the BABAR, Belle and LHCb collaborations consistently point towards an …