Isovector helicity quark quasi-distributions inside a large-Nc nucleon
Hyeon-Dong Son
Physics Letters B · 2023
doi:10.1016/j.physletb.2023.137741 (opens in a new tab)
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Abstract
In this letter, we report the results for the isovector polarized quark quasi-distribution functions Δu(x,v)−Δd(x,v) in the large-Nc limit, calculated within the chiral quark-soliton model. It is shown that the polarized quark quasi-distributions present good convergence to the light-cone PDFs in the limit of the nucleon boost momentum PN→∞ (or the velocity v→1), compared to the case of the unpolarized isosinglet distributions.
Abstract licence: CC BY
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