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We calculate the leading twist pion unpolarized transverse momentumdistribution $f_1(x,k_T^2)$ and the Boer-Mulders function $h_1^\perp(x,k_T^2)$,using leading Fock-state light front wave functions (LF-LFWFs) based onDyson-Schwinger and Bethe-Salpeter equations. These DS-BSEs based LF-LFWFsprovide dynamically generated s- and p-wave components, which are indispensablein producing chirally odd Boer-Mulders function that has one parton spinflipped. Employing a non-perturbative SU(3) gluon rescattering kernel to treatthe gauge link of the Boer-Mulders function, we thus obtain both TMDs athadronic scale and then evolve them to the scale of $\mu^2=4.0$ GeV$^2$. Wefinally calculate the generalized Boer-Mulders shift and find it to be inagreement with the lattice prediction.

Transvese momentum dependent parton distributions of pion at leading twist