[HTML][HTML] 50 Years of quantum chromodynamics: Introduction and Review
F Gross, E Klempt, SJ Brodsky, AJ Buras… - The European Physical …, 2023 - Springer
Quantum Chromodynamics, the theory of quarks and gluons, whose interactions can be
described by a local SU (3) gauge symmetry with charges called “color quantum numbers” …
described by a local SU (3) gauge symmetry with charges called “color quantum numbers” …
Flavour anomalies in heavy quark decays
J Albrecht, D van Dyk, C Langenbruch - Progress in Particle and Nuclear …, 2021 - Elsevier
Recent measurements of b-hadron decays show a pattern of consistent tensions with the
respective Standard Model (SM) predictions. These tensions appear both in the sector of …
respective Standard Model (SM) predictions. These tensions appear both in the sector of …
Improved theory predictions and global analysis of exclusive b→ sμ+ μ− processes
A bstract We provide improved Standard Model theory predictions for the exclusive rare
semimuonic processes B→ K (*) μ+ μ− and B s→ ϕμ+ μ−. Our results are based on a novel …
semimuonic processes B→ K (*) μ+ μ− and B s→ ϕμ+ μ−. Our results are based on a novel …
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 …
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 …
ℓ+ ℓ-decays is performed, in two ranges of the dilepton invariant-mass squared, q 2. The …
Test of lepton universality with B 0→ K* 0 ℓ+ ℓ− decays
R Aaij, B Adeva, M Adinolfi, Z Ajaltouni, S Akar… - Journal of High Energy …, 2017 - Springer
A bstract A test of lepton universality, performed by measuring the ratio of the branching
fractions of the B 0→ K* 0 μ+ μ− and B 0→ K* 0 e+ e− decays,\({R} _ {K^{* 0}}\), is presented …
fractions of the B 0→ K* 0 μ+ μ− and B 0→ K* 0 e+ e− decays,\({R} _ {K^{* 0}}\), is presented …
Implications of new evidence for lepton-universality violation in decays
Motivated by renewed evidence for new physics in b→ s ℓ ℓ transitions in the form of LHCb's
new measurements of theoretically clean lepton-universality ratios and the purely leptonic B …
new measurements of theoretically clean lepton-universality ratios and the purely leptonic B …
B-decay discrepancies after Moriond 2019
J Aebischer, W Altmannshofer, D Guadagnoli… - The European Physical …, 2020 - Springer
Following the updated measurement of the lepton flavour universality (LFU) ratio R_K RK in
B → K ℓ ℓ B→ K ℓ ℓ decays by LHCb, as well as a number of further measurements, eg R …
B → K ℓ ℓ B→ K ℓ ℓ decays by LHCb, as well as a number of further measurements, eg R …
Test of lepton universality with B-0-> K*(0) l (+) l (-) decays
LHCb Collaboration - Journal of High Energy Physics, 2017 - research.rug.nl
A test of lepton universality, performed by measuring the ratio of the branching fractions of
the B-0-> K*(0) mu (+) mu (-) and B-0-> K* e (+) e (-) decays, RK* 0, is presented. The K*(0) …
the B-0-> K*(0) mu (+) mu (-) and B-0-> K* e (+) e (-) decays, RK* 0, is presented. The K*(0) …
[HTML][HTML] More Indications for Lepton Nonuniversality in b→ sℓ+ ℓ−
T Hurth, F Mahmoudi, DM Santos, S Neshatpour - Physics Letters B, 2022 - Elsevier
Recently the LHCb collaboration has confirmed the evidence for lepton flavour
nonuniversality at the 3.1σ level via an updated measurement of R K. In this work we …
nonuniversality at the 3.1σ level via an updated measurement of R K. In this work we …