Measurement of the transition form factor
B Aubert, Y Karyotakis, JP Lees, V Poireau… - Physical Review D …, 2009 - APS
We study the reaction e+ e-→ e+ e-π 0 in the single tag mode and measure the differential
cross section d σ/d Q 2 and the γ γ*→ π 0 transition form factor in the momentum transfer …
cross section d σ/d Q 2 and the γ γ*→ π 0 transition form factor in the momentum transfer …
Pion distribution amplitude from lattice QCD
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 …
momentum effective field theory (LaMET) approach, which allows us to extract light cone …
Light-cone distribution amplitudes of pseudoscalar mesons from lattice QCD
GS Bali, VM Braun, S Bürger, M Göckeler… - Journal of High Energy …, 2019 - Springer
A bstract We present the first lattice determination of the two lowest Gegenbauer moments of
the leading-twist pion and kaon light-cone distribution amplitudes with full control of all …
the leading-twist pion and kaon light-cone distribution amplitudes with full control of all …
Pion and kaon distribution amplitudes from lattice QCD
We present a state-of-the-art lattice QCD calculation of the pion and kaon light-cone
distribution amplitudes (DAs) using large-momentum effective theory. The calculation is …
distribution amplitudes (DAs) using large-momentum effective theory. The calculation is …
Pion valence quark distributions in asymmetric nuclear matter at finite temperature
We have calculated the valence quark distributions of the lightest pseudoscalar meson,
pions, in the isospin asymmetric nuclear matter at zero and finite temperature employing a …
pions, in the isospin asymmetric nuclear matter at zero and finite temperature employing a …
Consistency of the pion form factor and unpolarized transverse momentum dependent parton distributions beyond leading twist in the light-front quark model
HM Choi, CR Ji - Physical Review D, 2024 - APS
We investigate the interplay among the pion's form factor, transverse momentum dependent
distributions (TMDs), and parton distribution functions (PDFs) extending our light-front quark …
distributions (TMDs), and parton distribution functions (PDFs) extending our light-front quark …
Pseudoscalar meson decay constants and distribution amplitudes up to the twist-4 in the light-front quark model
In the light-front quark model (LFQM) amenable to the simultaneous study of both the mass
spectroscopy and the wave function related observables, we examine the decay constants …
spectroscopy and the wave function related observables, we examine the decay constants …
Evolved QCD predictions for the meson-photon transition form factors
The QCD evolution of the pion distribution amplitude (DA) ϕ π (x, Q 2) is computed for
several commonly used models. Our analysis includes the nonperturbative form predicted …
several commonly used models. Our analysis includes the nonperturbative form predicted …
Shape of pion distribution amplitude
AV Radyushkin - Physical Review D—Particles, Fields, Gravitation, and …, 2009 - APS
A scenario is investigated in which the leading-twist pion distribution amplitude φ π (x) is
approximated by the pion decay constant f π for all essential values of the light-cone fraction …
approximated by the pion decay constant f π for all essential values of the light-cone fraction …
Generalized parton distributions of the pion in chiral quark models and their QCD evolution
We evaluate generalized parton distributions of the pion in two chiral quark models: the
spectral quark model and the Nambu–Jona-Lasinio model with a Pauli-Villars …
spectral quark model and the Nambu–Jona-Lasinio model with a Pauli-Villars …