Fragmentation functions and their role in determining the polarized parton densities
نویسندگان
چکیده
We extract the pion fragmentation functions and their uncertainties from a judicious choice of e + e − and semi-inclusive DIS data. These are used to study the error propagation in the extraction of polarized parton densities from semi-inclusive DIS asymmetries. We conclude that the uncertainties on polarized PDs have been underestimated in the past.
منابع مشابه
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تاریخ انتشار 2002