1.

Distribution amplitudes of heavylight mesons
/ Binosi, Daniele ; Chang, Lei ; Ding, Minghui ; Gao, Fei ; et al
A symmetrypreserving approach to the continuum boundstate problem in quantum field theory is used to calculate the masses, leptonic decay constants and lightfront distribution amplitudes of empirically accessible heavylight mesons. [...]
Published in Physics letters B 790 (2019) 257262
10.1016/j.physletb.2019.01.033
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2.

Parton distribution amplitudes: Revealing correlations within the proton and Roper
/ Mezrag, Cédric ; Segovia, Jorge ; Chang, Lei ; Roberts, Craig D.
Constrained by solutions of the continuum threevalencebody boundstate equations, we use perturbation theory integral representations (PTIRs) to develop algebraic Ansätze for the Faddeev wave functions of the proton and its first radial excitation, delivering therewith a quantum field theory calculation of the pointwise behaviour of their leadingtwist parton distribution amplitudes (PDAs). [...]
Published in Physics letters B (2018)
10.1016/j.physletb.2018.06.062
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3.

Bayesian extraction of the parton distribution amplitude from the Bethe–Salpeter wave function
/ Gao, Fei ; Chang, Lei ; Liu, Yuxin
We propose a new numerical method to compute the parton distribution amplitude (PDA) from the Euclidean Bethe–Salpeter wave function. [...]
Published in Physics letters B (2017)
10.1016/j.physletb.2017.04.077
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4.

Leadingtwist parton distribution amplitudes of S wave heavyquarkonia
/ Ding, Minghui ; Gao, Fei ; Chang, Lei ; Liu, YuXin ; et al
The leadingtwist parton distribution amplitudes (PDAs) of groundstate S01 and S13 cc¯  and bb¯ quarkonia are calculated using a symmetrypreserving continuum treatment of the meson boundstate problem which unifies the properties of these heavyquark systems with those of lightquark boundstates, including QCD's Goldstone modes. [...]
Published in Physics letters B (2015)
10.1016/j.physletb.2015.11.075
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5.

Pion valencequark parton distribution function
/ Chang, Lei ; Thomas, Anthony W.
Within the Dyson–Schwinger equation formulation of QCD, a rainbow ladder truncation is used to calculate the pion valencequark distribution function (PDF). [...]
Published in Physics letters B (2015)
10.1016/j.physletb.2015.08.036
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6.

Bridging a gap between continuumQCD and ab initio predictions of hadron observables
/ Binosi, Daniele ; Chang, Lei ; Papavassiliou, Joannis ; Roberts, Craig D.
Within contemporary hadron physics there are two common methods for determining the momentumdependence of the interaction between quarks: the topdown approach, which works toward an ab initio computation of the interaction via direct analysis of the gaugesector gap equations; and the bottomup scheme, which aims to infer the interaction by fitting data within a welldefined truncation of those equations in the matter sector that are relevant to boundstate properties. [...]
Published in Physics letters B (2015)
10.1016/j.physletb.2015.01.031
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7.

Basic features of the pion valencequark distribution function
/ Chang, Lei ; Mezrag, Cédric ; Moutarde, Hervé ; Roberts, Craig D. ; et al
The impulseapproximation expression used hitherto to define the pion's valencequark distribution function is flawed because it omits contributions from the gluons which bind quarks into the pion. [...]
Published in Physics letters B 737 (2014) 2329
10.1016/j.physletb.2014.08.009
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8.

Flavour symmetry breaking in the kaon parton distribution amplitude
/ Shi, Chao ; Chang, Lei ; Roberts, Craig D. ; Schmidt, Sebastian M. ; et al
We compute the kaon's valencequark (twisttwo parton) distribution amplitude (PDA) by projecting its Poincarécovariant Bethe–Salpeter wavefunction onto the lightfront. [...]
Published in Physics letters B 738 (2014) 512518
10.1016/j.physletb.2014.07.057
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9.

Distribution amplitudes of lightquark mesons from lattice QCD
/ Segovia, Jorge ; Chang, Lei ; Cloët, Ian C. ; Roberts, Craig D. ; et al
We exploit a method introduced recently to determine parton distribution amplitudes (PDAs) from minimal information in order to obtain lightquark pseudoscalar and vector meson PDAs from the limited number of moments produced by numerical simulations of latticeregularised QCD. [...]
Published in Physics letters B 731 (2014) 1318
10.1016/j.physletb.2014.02.006
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