Tensor Charge of the Nucleon on the Lattice

Details Tensor Charge of the Nucleon on the Lattice Tensor Charge of the Nucleon on the Lattice

1996-06-17

arxiv.org/abs/hep-lat/9606006v1

Austral.J.Phys.50:205-210,1997

Physics

High Energy Physics

High Energy Physics - Lattice

9 pages, LaTeX, 2 ps figures. Invited talks at the Australia-Japan workshop on Quarks, Hadrons and Nuclei (Nov. 15-24, 1995, A

Scientific paper

Tensor charge of the nucleon, which will be measured in Drell-Yan processes in polarized proton-proton collisions at RHIC, are studied in quenched lattice QCD simulation. On the 16$^3\times$ 20 lattice with $\beta=5.7$, connected parts of the tensor charge are determined with small statistical error, while the disconnected parts are found to be small with relatively large error bars. Flavor-singlet tensor charge ($\delta \Sigma = \delta u + \delta d + \delta s$) is not suppressed as opposed to the flavor singlet axial charge ($\Delta \Sigma = \Delta u + \Delta d + \Delta s$).

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