Chiral-odd generalized parton distributions of sea quarks at $ξ=0$ in the light-cone quark model
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866929323933433856 |
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| author | Luan, Xiaoyan Lu, Zhun |
| author_facet | Luan, Xiaoyan Lu, Zhun |
| contents | We study the chiral-odd generalized parton distributions (GPDs) of the $\bar{u}$ and $\bar{d}$ quarks inside the proton at zero skewness using the overlap representation within the light cone formalism. Using the light cone wave functions (LCWFs) of the proton obtained from the baryon-meson fluctuation model in terms of the $|q\bar{q}B\rangle$ Fock states, we provide the expressions of the GPDs $\widetilde{H}^{\bar{q}/P}_T(x,0,t)$, $H_T^{\bar{q}/P}(x,0,t)$ and $E_T^{\bar{q}/P}(x,0,t)$ for $\bar{q}=\bar{u}$ and $\bar{d}$. Numerical results for these GPDs in momentum space as well as in impact parameter space are presented. We further investigate certain combinations of the chiral-odd GPDs in impact parameter space to the spin-orbit correlation effect of the sea quarks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_13962 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Chiral-odd generalized parton distributions of sea quarks at $ξ=0$ in the light-cone quark model Luan, Xiaoyan Lu, Zhun High Energy Physics - Phenomenology We study the chiral-odd generalized parton distributions (GPDs) of the $\bar{u}$ and $\bar{d}$ quarks inside the proton at zero skewness using the overlap representation within the light cone formalism. Using the light cone wave functions (LCWFs) of the proton obtained from the baryon-meson fluctuation model in terms of the $|q\bar{q}B\rangle$ Fock states, we provide the expressions of the GPDs $\widetilde{H}^{\bar{q}/P}_T(x,0,t)$, $H_T^{\bar{q}/P}(x,0,t)$ and $E_T^{\bar{q}/P}(x,0,t)$ for $\bar{q}=\bar{u}$ and $\bar{d}$. Numerical results for these GPDs in momentum space as well as in impact parameter space are presented. We further investigate certain combinations of the chiral-odd GPDs in impact parameter space to the spin-orbit correlation effect of the sea quarks. |
| title | Chiral-odd generalized parton distributions of sea quarks at $ξ=0$ in the light-cone quark model |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2404.13962 |