Anomalies in particle physics and their implications for physics beyond the standard model
The standard model (SM) of particle physics is the mathematical description of the
fundamental constituents and interactions of matter. Its last missing particle, the Higgs …
fundamental constituents and interactions of matter. Its last missing particle, the Higgs …
Precise measurement of the ratio of fragmentation fractions and of decay branching fractions
R Aaij, CA Beteta, T Ackernley, B Adeva, M Adinolfi… - Physical Review D, 2021 - APS
The ratio of the B s 0 and B 0 fragmentation fractions, fs/fd, in proton-proton collisions at the
LHC, is obtained as a function of B-meson transverse momentum and collision center-of …
LHC, is obtained as a function of B-meson transverse momentum and collision center-of …
Non-factorisable effects in the decays and from LCSR
ML Piscopo, AV Rusov - Journal of High Energy Physics, 2023 - Springer
A bstract In light of the current discrepancies between the recent predictions based on QCD
factorisation (QCDF) and the experimental data for several non-leptonic colour-allowed two …
factorisation (QCDF) and the experimental data for several non-leptonic colour-allowed two …
Lifetimes of b-hadrons and mixing of neutral B-mesons: theoretical and experimental status
In this article, we review the current status of B-mixing and b-hadron lifetimes both from
experimental and theoretical points of view. Furthermore, we discuss the phenomenological …
experimental and theoretical points of view. Furthermore, we discuss the phenomenological …
Probing new physics in class-I B-meson decays into heavy-light final states
FM Cai, WJ Deng, XQ Li, YD Yang - Journal of High Energy Physics, 2021 - Springer
A bstract With updated experimental data and improved theoretical calculations, several
significant deviations are being observed between the Standard Model predictions and the …
significant deviations are being observed between the Standard Model predictions and the …
Disintegration of beauty: a precision study
A bstract We update the Standard Model (SM) predictions for B-meson lifetimes within the
heavy quark expansion (HQE). Including for the first time the contribution of the Darwin …
heavy quark expansion (HQE). Including for the first time the contribution of the Darwin …
Diquark explanation of
A Crivellin, M Kirk - Physical Review D, 2023 - APS
The discrepancies between b→ s ℓ+ ℓ-data and the corresponding Standard Model
predictions point to the existence of new physics with a significance at the 5 σ level. While …
predictions point to the existence of new physics with a significance at the 5 σ level. While …
Exploiting dijet resonance searches for flavor physics
A bstract In this work, we reinterpret ATLAS and CMS dijet resonance searches to set robust
constraints on all hypothetical tree-level scalar and vector mediators with masses up to 5 …
constraints on all hypothetical tree-level scalar and vector mediators with masses up to 5 …
Implications for new physics from a novel puzzle in decays
S Iguro, T Kitahara - Physical Review D, 2020 - APS
Recently, the standard model predictions for the B-meson hadronic decays, B¯ 0→ D (*)+ K-
and B¯ s 0→ D s (*)+ π-, have been updated based on the QCD factorization approach. This …
and B¯ s 0→ D s (*)+ π-, have been updated based on the QCD factorization approach. This …
Using decays as a portal to new physics
R Fleischer, E Malami - Physical Review D, 2022 - APS
The system of B s 0→ D s∓ K±decays offers a theoretically clean determination of the angle
γ of the unitarity triangle. A corresponding LHCb analysis resulted in a surprisingly large …
γ of the unitarity triangle. A corresponding LHCb analysis resulted in a surprisingly large …