Emergence of hadron mass and structure

M Ding, CD Roberts, SM Schmidt - Particles, 2023 - mdpi.com
Visible matter is characterised by a single mass scale; namely, the proton mass. The
proton's existence and structure are supposed to be described by quantum chromodynamics …

Charm couplings and form factors in QCD sum rules

ME Bracco, M Chiapparini, FS Navarra… - Progress in Particle and …, 2012 - Elsevier
We review the calculations of form factors and coupling constants in vertices with charm
mesons in the framework of QCD sum rules. We first discuss the motivation for this work …

On the effective lifetime of Bs→ μμγ

A Carvunis, F Dettori, S Gangal, D Guadagnoli… - Journal of High Energy …, 2021 - Springer
A bstract We consider the\({B} _s^ 0\)→ μ+ μ− γ effective lifetime, and the related CP-phase
sensitive quantity\({A} _ {{\Delta\Gamma} _s}^{\mu\mu\gamma}\), as a way to obtain …

violation and kaon-pion interactions in decays

B El-Bennich, A Furman, R Kamiński, L Leśniak… - Physical Review D …, 2009 - APS
We study CP violation and the contribution of the strong kaon-pion interactions in the three-
body B→ K π+ π-decays. We extend our recent work on the effect of the two-pion S-and P …

Form factors for semileptonic, nonleptonic, and rare meson decays

MA Ivanov, JG Körner, SG Kovalenko, P Santorelli… - Physical Review D …, 2012 - APS
We provide new values for the model parameters of the covariant constituent quark model
(with built-in infrared confinement) in the meson sector by a fit to the leptonic decay …

[HTML][HTML] Semileptonic transitions: B (s)→ π (K); Ds→ K; D→ π, K; and K→ π

ZQ Yao, D Binosi, ZF Cui, CD Roberts - Physics Letters B, 2022 - Elsevier
Continuum Schwinger function methods for the strong-interaction bound-state problem are
used to arrive at a unified set of parameter-free predictions for the semileptonic K→ π, D→ π …

Rare FCNC radiative leptonic decays in the standard model

A Kozachuk, D Melikhov, N Nikitin - Physical Review D, 2018 - APS
We revisit rare radiative leptonic decays B s, d→ γ e+ e-and B s, d→ γ μ+ μ-in the standard
model and provide the updated estimates for various differential distributions (the branching …

Kaon and pion parton distribution amplitudes to twist three

C Shi, C Chen, L Chang, CD Roberts, SM Schmidt… - Physical Review D, 2015 - APS
We compute all kaon and pion parton distribution amplitudes (PDAs) to twist three and find
that only the pseudotensor PDA can reasonably be approximated by its conformal limit …

Heavy+ heavy and heavy+ light pseudoscalar to vector semileptonic transitions

HY **ng, ZN Xu, ZF Cui, CD Roberts, C Xu - The European Physical …, 2022 - Springer
Using a symmetry-preserving regularisation of a vector× vector contact interaction (SCI), we
complete a systematic treatment of twelve semileptonic transitions with vector meson final …

Parametrizations of three-body hadronic - and -decay amplitudes in terms of analytic and unitary meson-meson form factors

D Boito, JP Dedonder, B El-Bennich, R Escribano… - Physical Review D, 2017 - APS
We introduce parametrizations of hadronic three-body B and D weak decay amplitudes that
can be readily implemented in experimental analyses and are a sound alternative to the …