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Importance of fragmentation functions in determining polarized parton densities |
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| Authors: | E Leader A V Sidorov D B Stamenov |
| Institution: | 1. Imperial College, Prince Consort Road, London, SW7 2BW, England 2. Joint Institute for Nuclear Research, Dubna, 141980, Russia 3. Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Blvd. Tsarigradsko Chaussee 72, Sofia, 1784, Bulgaria |
| Abstract: | New fragmentation functions (FFs) are extracted from a NLO QCD fit to the preliminary COMPASS data on pion and kaon multiplicities. It is shown that the new kaon FFs are very different from those of De Florian et al. (DSS) and Hirai et al. (HKNS). The sensitivity of the extracted polarized PDFs to the new FFs is discussed. |
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