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arXiv 0907.0090nucl-th
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双光子交换光锥夸克模型中核子形状因子

Nucleon Form Factors in a Light-Cone Quark Model with Two-Photon Exchange

Dian-Yong Chen, Yu-Bing Dong

摘要:

本文在相对论光锥夸克模型中估计了质子和中子电磁物理观测量的双光子交换修正。在一个固定的动量转移的修正被发现是小的幅度,但具有很强的角度依赖性。在中等动量转移区,我们的结果与简单强子模型的结果相当。

英文摘要:

We estimate the two-photon exchange corrections to both proton and neutron electromagnetic physical observables in a relativistic light cone quark model. At a fixed momentum transfer the corrections are found to be small in magnitudes, but with a strong angular dependence. Our results are comparable to those from simple hadronic model in a moderate momentum transfer region.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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