@Article{Courtoy_etal2019, author="Courtoy, A. and Noguera, S. and Scopetta, S.", title="Double parton distributions in the pion in the Nambu-Jona-Lasinio model", journal="Journal of High Energy Physics", year="2019", publisher="Springer", volume="12", number="12", pages="045--26pp", optkeywords="Deep Inelastic Scattering (Phenomenology); Phenomenological Models", abstract="Two-parton correlations in the pion, a non perturbative information encoded in double parton distribution functions, are investigated in the Nambu-Jona-Lasinio model. It is found that double parton distribution functions expose novel dynamical information on the structure of the pion, not accessible through one-body parton distributions, as it happens in several estimates for the proton target and in a previous evaluation for the pion, in a light-cone framework. Expressions and predictions are given for double parton distributions corresponding to leading-twist Dirac operators in the quark vertices, and to different regularization methods for the Nambu-Jona-Lasinio model. These results are particularly relevant in view of forthcoming lattice data.", optnote="WOS:000521231400001", optnote="exported from refbase (https://references.ific.uv.es/refbase/show.php?record=4343), last updated on Tue, 07 Apr 2020 12:44:22 +0000", issn="1029-8479", doi="10.1007/JHEP12(2019)045", opturl="https://arxiv.org/abs/1909.09530", opturl="https://doi.org/10.1007/JHEP12(2019)045", language="English" }