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22-28 July 2018
Kellogg Hotel and Conference Center
EST timezone

Quasi-PDFs from Twisted mass fermions at the physical point

Jul 23, 2018, 2:20 PM
106 (Kellogg Hotel and Conference Center)


Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Hadron Structure Hadron Structure


Ms Aurora Scapellato (University of Cyprus - University Of Wuppertal)


Parton distribution functions (PDFs) provide a detailed description of hadron structure and are crucial inputs in analyses of collider data. PDFs have a non-perturbative nature and Lattice QCD provides an appropriate framework of their extraction. We present results on the iso-vector quasi-quark distribution functions using an ensemble of $N_f=2$ degenerate light quarks in the twisted mass formulation, with pion mass 130MeV, lattice spacing a=0.093 fm and lattice size $48^3 \times 96$. We discuss the non-perturbative renormalization procedure and the matching to light-cone PDFs. An overlap between lattice and phenomenological data is found for a range of Bjorken-x values.

Primary authors

Ms Aurora Scapellato (University of Cyprus - University Of Wuppertal) Prof. Constantia Alexandrou (University of Cyprus-Cyprus Institute) Dr Fernanda Steffens (University of Bonn) Dr Karl Jansen (NIC Desy-Zeuthen) Dr Krzysztof Cichy (Adam Mickiewicz University) Dr Kyriakos Hadjiyiannakou (Cyprus Institute) Prof. Martha Constantinou (Temple University)

Presentation Materials