Nucleon spin decomposition with one dynamical gluon
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2022
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| _version_ | 1866916296531116032 |
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| author | Xu, Siqi Mondal, Chandan Zhao, Xingbo Li, Yang Vary, James P. |
| author_facet | Xu, Siqi Mondal, Chandan Zhao, Xingbo Li, Yang Vary, James P. |
| contents | We solve for the light-front wave functions of the nucleon from a light-front quantum chromodynamics (QCD) effective Hamiltonian with three-dimensional confinement. We obtain solutions using constituent three quarks combined with three quarks and one gluon Fock components. The resulting light-front wave functions provide a good quality description of the nucleon's quark distribution functions following QCD scale evolution. We present the effects from incorporating a dynamical gluon on the nucleon's gluon densities, helicity distribution and orbital angular momentum that constitutes the nucleon spin sum rule. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2209_08584 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Nucleon spin decomposition with one dynamical gluon Xu, Siqi Mondal, Chandan Zhao, Xingbo Li, Yang Vary, James P. High Energy Physics - Phenomenology Nuclear Theory We solve for the light-front wave functions of the nucleon from a light-front quantum chromodynamics (QCD) effective Hamiltonian with three-dimensional confinement. We obtain solutions using constituent three quarks combined with three quarks and one gluon Fock components. The resulting light-front wave functions provide a good quality description of the nucleon's quark distribution functions following QCD scale evolution. We present the effects from incorporating a dynamical gluon on the nucleon's gluon densities, helicity distribution and orbital angular momentum that constitutes the nucleon spin sum rule. |
| title | Nucleon spin decomposition with one dynamical gluon |
| topic | High Energy Physics - Phenomenology Nuclear Theory |
| url | https://arxiv.org/abs/2209.08584 |