Contribution to a conference proceedings

FZJ-2023-05487

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Moments of Parton Distributions Functions from Lattice QCD at the Physical Point

Rodekamp, M.FZJ* ; Engelhardt, M. ; Green, J. R. ; Krieg, S.FZJ* ; Meinel, S. ; Negele, J. W. ; Pochinsky, A. ; Syritsyn, S.

2023

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Please use a persistent id in citations: doi:10.34734/FZJ-2023-05487

Abstract: We present a Lattice QCD calculation of the second Mellin moments of the nucleon axial, vector and tensor parton distribution functions (PDFs). The calculation is performed at the physical pion mass with two different lattice spacings, and includes both zero and non-zero nucleon momenta. In our preliminary analysis, we identify operators that greatly reduce excited-state contamination.

Note: DIS2023

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Contributing Institute(s):

1. Jülich Supercomputing Center (JSC)
2. Center for Advanced Simulation and Analytics (CASA)

Research Program(s):

1. 5111 - Domain-Specific Simulation & Data Life Cycle Labs (SDLs) and Research Groups (POF4-511) (POF4-511)
2. SDS005 - Towards an integrated data science of complex natural systems (PF-JARA-SDS005) (PF-JARA-SDS005)
3. NRW-FAIR (NW21-024-A) (NW21-024-A)

Appears in the scientific report 2023

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