Journal Article

FZJ-2017-05628

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Spin Structure of the Pion

Brömmel, D.FZJ* ; Diehl, M. ; Göckeler, M. ; Hägler, P. ; Horsley, R. ; Nakamura, Y. ; Pleiter, D.FZJ* ; Rakow, P. E. L. ; Schäfer, A. ; Schierholz, G. ; Stüben, H. ; Zanotti, J. M.

2008
APS College Park, Md.

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Please use a persistent id in citations: doi:10.1103/PhysRevLett.101.122001

Abstract: We present the first calculation of the transverse spin structure of the pion in lattice QCD. Our simulations are based on two flavors of non-perturbatively improved Wilson fermions, with pion masses as low as 400 MeV in volumes up to (2.1 fm)^3 and lattice spacings below 0.1 fm. We find a characteristic asymmetry in the spatial distribution of transversely polarized quarks. This asymmetry is very similar in magnitude to the analogous asymmetry we previously obtained for quarks in the nucleon. Our results support the hypothesis that all Boer-Mulders functions are alike.

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Research Program(s):

1. 899 - ohne Topic (POF3-899) (POF3-899)

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Database coverage:
; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; IF >= 5 ; JCR ; NCBI Molecular Biology Database ; Nationallizenz ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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