Abstract
New COMPASS preliminary results on pion and kaon multiplicities from SIDIS on a proton target are presented. These proton results provide a complementary data set to the deuteron results published in 2016. In the current analysis, we use an improved treatment of Radiative Corrections using DJANGOH MC. Compared to the previously used method, relative differences of up to 12% are observed in the multiplicities. Despite these changes, the preliminary COMPASS kaon results are still incompatible with those from HERMES. The presented results will provide an important input for global fragmentation function fits.
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