Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-03-11
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages. 4 figures. A talk given at International Conference on the structure of baryons, BARYONS 2010, Dec. 7-11, 2010, Osaka
Scientific paper
We report in the present talk recent results of the tensor properties of the nucleon within the framework of the chiral quark-soliton model. The tensor and anomalous tensor magnetic form factors are calculated for the momentum transfer up to $Q^{2}\leq1\,\mathrm{GeV}^{2}$ and at a renormalization scale of $0.36\,\mathrm{GeV}^{2}$. The main results are summarized as follows: the flavor tensor charges of the nucleon are yielded as $\delta u=1.08$, $\delta d=-0.31$, $\delta s=-0.01$, while the up and down anomalous tensor magnetic moments are evaluated as $\kappa_{T}^{u}=3.56$ and $\kappa_{T}^{d}=1.83$, respectively. The strange anomalous tensor magnetic moment turns out to be $\kappa_{T}^{s}=0.2\sim -0.2$, compatible with zero. We discuss their physical implications, comparing them in particular with those from the lattice QCD.
Kim Hyun-Chul
Ledwig Tim
Silva Antonio
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