Octet and decuplet baryon self-energies in relativistic SU(3) chiral effective theory

Octet and decuplet baryon self-energies in relativistic SU(3) chiral effective theory
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相对论 SU(3) 手性有效理论中的八重态和十重态重子自能

DOI:
10.1103/physrevd.103.094019
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发表时间:
2021
期刊:
影响因子:
5
通讯作者:
Melnitchouk, W.
Melnitchouk, W.
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Copeland, P. M.;Ji, Chueng-Ryong;Melnitchouk, W.

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相似文献

在相对论手征有效理论框架下计算了味SU(3)八重态和十重态重子的自能。主要的非解析手征行为的八重态和十重态质量,并与洛伦兹和规范不变性的有限范围的正则化一致的重子的有限大小。使用一个四维偶极形状因子,各种介子重子环贡献的自能的相对重要性进行了数值研究作为偶极射程参数和介子质量的函数,并在相对论性结果和早期的重子极限内的近似之间进行了比较。
The self-energies of the full set of flavor SU(3) octet and decuplet baryons are computed within a relativistic chiral effective theory framework. The leading nonanalytic chiral behavior is derived for the octet and decuplet masses, and a finite-range regularization consistent with Lorentz and gauge invariance is applied to account for the finite size of the baryons. Using a four-dimensional dipole form factor, the relative importance of various meson-baryon loop contributions to the self-energies is studied numerically as a function of the dipole range parameter and meson mass, and a comparison is made between the relativistic results and earlier approximations within the heavy baryon limit.
DOI: 10.1126/science.1163233
发表时间: 2008-11
期刊: Science
影响因子: 56.9
作者:
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手性有效性理论中质子 s−s 不对称性的约束
DOI: --
发表时间: 2016
期刊:
影响因子: --
作者:
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通讯作者: P. Wang
DOI: --
发表时间: 1984
期刊:
影响因子: --
作者:
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