Exploring QCD with COMPASS-II

The future COMPASS-II experimental program is presented. Following a decade of successful studies of the nucleon structure and spectroscopy, the COMPASS Collaboration is now proposing an extensive program to further explore these experimental fields. The DVCS process in an unpolarized target will allow to access the GPD H in a phase-space not yet covered by any experiment. In parallel with the DVCS unpolarized measurement, and in the sequence of previous COMPASS analyses, the semi-inclusive deep inelastic scattering of muons off an unpolarized target will be studied, in order to improve the present knowledge of the strange quark PDF and to access the kaon fragmentation functions. A new measurement of TMD PDFs will be done, complementary to those already performed in COMPASS with SIDIS, using the polarized Drell-Yan process. The predicted Sivers and Boer-Mulders TMDs sign change when measured in SIDIS or in Drell-Yan will be checked. Another study proposed is the measurement of the polarizabilities of pions and kaons using the Primakoff reaction.