核子的基光前量子化方法

Proceedings of Light Cone 2019 - QCD on the light cone: from hadrons to heavy ions — PoS(LC2019) Pub Date : 2020-01-13 DOI:10.22323/1.374.0067

C. Mondal, Siqi Xu, Jiangshan Lan, Xingbo Zhao, Yang Li, D. Chakrabarti, J. Vary

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引用次数: 3

摘要

我们从有效哈密顿量中得到了价夸克Fock空间中核子的光前波函数，其中包括横向约束和纵向约束以及具有固定耦合的单胶子交换相互作用。波函数是在基光前量化中通过求解特征值方程生成的。通过对模型参数的拟合，波函数可以很好地同时描述质子的电磁形状因子、半径和部分分布函数。

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Basis light-front quantization approach to nucleon

We obtain the light-front wavefunctions for the nucleon in the valence quark Fock space from an effective Hamiltonian, which includes the transverse and longitudinal confinement and the one-gluon exchange interaction with fixed coupling. The wavefunctions are generated by solving the eigenvalue equation in a basis light-front quantization. Fitting the model parameters, the wavefunctions lead to good simultaneous description of electromagnetic form factors, radii, and parton distribution functions for the proton.

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Proceedings of Light Cone 2019 - QCD on the light cone: from hadrons to heavy ions — PoS(LC2019)

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