The Spin structure of the pion

Roger Horsley, Dirk Brommel, Marcus Diehl, Meinulf Gockeler, Philipp Hagler, Yoshifumi Nakamura, Dirk Pleiter, Paul Rakow, Andreas Schafer, Gerrit Schierholz, Hinnerk Stuben, James Stuben

Research output: Contribution to journalArticlepeer-review

Abstract

We present the first calculation of the transverse spin structure of the pion in lattice QCD. 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
Original languageEnglish
Pages (from-to)122001
Number of pages4
JournalPhysical Review Letters
Volume101
Issue number12
DOIs
Publication statusPublished - 17 Sep 2008

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