Progress in computing parton distribution functions from the quasi-PDF approach
- Alexandrou, Constantia
- Cichy, Krzysztof
- Constantinou, Martha
- Hadjiyiannakou, Kyriakos
- Jansen, Karl
- Panagopoulos, Haralambos
- Scapellato, Aurora
- Steffens, Fernanda
DOIAbstract
We discuss the current developments by the European Twisted Mass Collaboration in extracting parton distribution functions from the quasi-PDF approach. We concentrate on the non-perturbative renormalization prescription recently developed by us, using the RI′ scheme. We show results for the renormalization functions of matrix elements needed for the computation of quasi-PDFs, including the conversion to the MS scheme, and for renormalized matrix elements. We discuss the systematic effects present in the Z-factors and the possible ways of addressing them in the future
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