Insights into the emergence of mass from studies of pion and kaon structure

CD Roberts, DG Richards, T Horn, L Chang - Progress in Particle and …, 2021 - Elsevier
There are two mass generating mechanisms in the standard model of particle physics (SM).
One is related to the Higgs boson and fairly well understood. The other is embedded in …

The pion: an enigma within the Standard Model

T Horn, CD Roberts - Journal of Physics G: Nuclear and Particle …, 2016 - iopscience.iop.org
Quantum chromodynamics (QCDs) is the strongly interacting part of the Standard Model. It is
supposed to describe all of nuclear physics; and yet, almost 50 years after the discovery of …

B→ Vℓ+ ℓ− in the Standard Model from light-cone sum rules

A Bharucha, DM Straub, R Zwicky - Journal of High Energy Physics, 2016 - Springer
A bstract We present B q→ ρ, B q→ ω, B q→ K∗, B s→ K∗ and B s→ ϕ form factors from
light-cone sum rules (LCSR) at\(\mathcal {O}\left ({\alpha} _s\right)\) for twist-2 and 3 …

Domain wall QCD with physical quark masses

T Blum, PA Boyle, NH Christ, J Frison, N Garron… - Physical Review D, 2016 - APS
We present results for several light hadronic quantities (f π, f K, BK, mud, ms, t 0 1/2, w 0)
obtained from simulations of 2+ 1 flavor domain wall lattice QCD with large physical volumes …

Kaon and pion parton distributions

ZF Cui, M Ding, F Gao, K Raya, D Binosi… - The European Physical …, 2020 - Springer
Beginning with results for the leading-twist two-particle distribution amplitudes of π π-and K-
mesons, each of which exhibits dilation driven by the mechanism responsible for the …

decay form factors from three-flavor lattice QCD

JA Bailey, A Bazavov, C Bernard, CM Bouchard… - Physical Review D, 2016 - APS
We compute the form factors for the B→ K l+ l-semileptonic decay process in lattice QCD
using gauge-field ensembles with 2+ 1 flavors of sea quark, generated by the MILC …

Pion distribution amplitude from lattice QCD

JH Zhang, JW Chen, X Ji, L Jin, HW Lin - Physical Review D, 2017 - APS
We present the first lattice-QCD calculation of the pion distribution amplitude using the large-
momentum effective field theory (LaMET) approach, which allows us to extract light cone …

Pion distribution amplitude at the physical point using the leading-twist expansion of the quasi-distribution-amplitude matrix element

X Gao, AD Hanlon, N Karthik, S Mukherjee… - Physical Review D, 2022 - APS
We present a lattice QCD determination of the distribution amplitude (DA) of the pion and the
first few Mellin moments from an analysis of the quasi-DA matrix element within the leading …

Pion distribution amplitude from Euclidean correlation functions: Exploring universality and higher-twist effects

GS Bali, VM Braun, B Gläßle, M Göckeler, M Gruber… - Physical Review D, 2018 - APS
Building upon our recent study [GS Bali et al., Eur. Phys. J. C 78, 217 (2018)], we investigate
the feasibility of calculating the pion distribution amplitude from suitably chosen Euclidean …

width and from QCD light-cone sum rules

A Khodjamirian, T Mannel, N Offen, YM Wang - Physical Review D—Particles …, 2011 - APS
We employ the B→ π form factors obtained from QCD light-cone sum rules and calculate
the<? format?> B→ π ℓ ν ℓ width (ℓ= e, μ) in units of 1/| V ub| 2, integrated over the region of …