Basis light front quantization for the charged light mesons with color singlet Nambu-Jona-Lasinio interactions

被引：51

作者：

Jia, Shaoyang ^{[1
]}

Vary, James P. ^{[1
]}

机构：

[1] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

来源：

PHYSICAL REVIEW C | 2019年 / 99卷 / 03期

关键词：

FORM-FACTORS; MODEL; QUARKONIUM;

D O I：

10.1103/PhysRevC.99.035206

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We apply the basis light front quantization (BLFQ) approach to describe the valence structures of the charged light meson ground states. Specifically, the light front wave functions of pi(+/-), rho(+/-), K-+/-, and K*(+/-) are obtained as the eigenvectors of the light front effective Hamiltonians with confinement potentials supplemented by the color singlet Nambu-Jona-Lasinio (NJL) interactions. We adjust our model such that the spectrum of these ground states and the charge radii of the pseudoscalar states agree with experimental results. We present the elastic form factors and parton distribution amplitudes (PDAs) as illustrations of the internal structures of the pseudoscalar pions and kaons in terms of valence quarks.

引用

页数：17

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