1. D. Boer et al., Gluons and the quark sea at high energies: Distributions, polarization, tomography,
arXiv:1108.1713
[
INSPIRE
].
2. J. Dudek et al., Physics Opportunities with the 12 GeV Upgrade at Jefferson Lab, Eur. Phys. J. A 48 (2012) 187 [
arXiv:1208.1244
] [
INSPIRE
].
3. Belle-II collaboration, T. Abe et al., Belle II Technical Design Report,
arXiv:1011.0352
[
INSPIRE
].
4. A. Accardi et al., A Critical Appraisal and Evaluation of Modern PDFs, Eur. Phys. J. C 76 (2016) 471 [
arXiv:1603.08906
] [
INSPIRE
].
5. V.M. Braun et al., Second Moment of the Pion Light-cone Distribution Amplitude from Lattice QCD, Phys. Rev. D 92 (2015) 014504 [
arXiv:1503.03656
] [
INSPIRE
].