Quarkonium as a relativistic bound state on the light front

Y Li, P Maris, JP Vary - Physical Review D, 2017 - APS
We study charmonium and bottomonium as relativistic bound states in a light-front quantized
Hamiltonian formalism. The effective Hamiltonian is based on light-front holography. We use …

QCD radiative correction to color-octet inclusive production at factories

YJ Zhang, YQ Ma, K Wang, KT Chao - Physical Review D—Particles, Fields …, 2010 - APS
In nonrelativistic quantum chromodynamics (NRQCD), we study the next-to-leading order
(NLO) QCD radiative correction to the color-octet J/ψ inclusive production at B factories …

Search for excited charmonium states in annihilation at

KY Liu, ZG He, KT Chao - Physical Review D—Particles, Fields, Gravitation …, 2008 - APS
We suggest searching for excited charmonium states in e+ e-annihilation via double
charmonium production at s= 10.6 GeV with B factories, based on a more complete leading …

Parton distribution functions of heavy mesons on the light front

J Lan, C Mondal, M Li, Y Li, S Tang, X Zhao, JP Vary… - Physical Review D, 2020 - APS
The parton distribution functions (PDFs) of heavy mesons are evaluated from their light-front
wave functions, which are obtained from a basis light-front quantization in the leading Fock …

Leading-twist parton distribution amplitudes of S-wave heavy-quarkonia

M Ding, F Gao, L Chang, YX Liu, CD Roberts - Physics Letters B, 2016 - Elsevier
The leading-twist parton distribution amplitudes (PDAs) of ground-state S 0 1 and S 1 3 cc¯-
and bb¯-quarkonia are calculated using a symmetry-preserving continuum treatment of the …

Modelling light-cone distribution amplitudes from non-relativistic bound states

G Bell, T Feldmann - Journal of High Energy Physics, 2008 - iopscience.iop.org
We calculate light-cone distribution amplitudes for non-relativistic bound states, including
radiative corrections from relativistic gluon exchange to first order in the strong coupling …

Analyses of decay constants and light-cone distribution amplitudes for -wave heavy meson

CW Hwang - Physical Review D—Particles, Fields, Gravitation, and …, 2010 - APS
In this paper, a study of light-cone distribution amplitudes (LCDAs) for s-wave heavy meson
are presented in both general and heavy quark frameworks. Within the light-front approach …

Factorization and NLO QCD correction in e^+ e^-\to J/\psi (\psi (2S))+\chi_ {c0} at B Factories

YJ Zhang, YQ Ma, KT Chao - arXiv preprint arXiv:0802.3655, 2008 - arxiv.org
In nonrelativistic QCD (NRQCD), we study $ e^+ e^-\to J/\psi (\psi (2S))+\chi_ {c0} $ at $ B $
factories, where the P-wave state $\chi_ {c0} $ is associated with an S-wave state $ J/\psi …

Comparison of two Minkowski-space approaches to heavy quarkonia

S Leitão, Y Li, P Maris, MT Peña, A Stadler… - The European Physical …, 2017 - Springer
In this work we compare mass spectra and decay constants obtained from two recent,
independent, and fully relativistic approaches to the quarkonium bound-state problem: the …

QCD corrections to (, 1, 2) at B factories

K Wang, YQ Ma, KT Chao - Physical Review D—Particles, Fields, Gravitation …, 2011 - APS
We analytically calculate the cross sections of double charmonium production in e+ e-→ J/ψ
(ψ (2 S)) χ c J (J= 0, 1, 2) at next-to-leading order (NLO) in α s in nonrelativistic QCD, and …