Proton transverse-spin azimuthal asymmetries are extracted from the COMPASS
2010 semi-inclusive hadron measurements in deep inelastic muon-nucleon
scattering in those four regions of the photon virtuality $Q^2$, which
correspond to the four regions of the di-muon mass $sqrt{Q^2}$ used in the
ongoing analysis of the COMPASS Drell-Yan measurements. This allows for a
future direct comparison of the nucleon transverse-momentum-dependent parton
distribution functions extracted from these two alternative measurements.
Various two-dimensional kinematic dependences are presented for the azimuthal
asymmetries induced by the Sivers transverse-momentum-dependent parton
distribution function. The integrated Sivers asymmetries are found to be
positive with an accuracy that appears to be sufficient to test the sign change
of the Sivers function predicted by Quantum Chromodynamics.
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