Properties of strangelets in a new quark mass confinement model with one-gluon-exchange interaction

Properties of strangelets in a new quark mass confinement model with one-gluon-exchange interaction
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具有单胶子交换相互作用的新夸克质量限制模型中奇异子的性质

DOI:
10.1007/s11433-014-5452-y
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发表时间:
2014-05
期刊:
Sci. China Phys. Mech. Astron.
影响因子:
--
通讯作者:
彭光雄
彭光雄
中科院分区:
其他
文献类型:
--
作者:
XIA ChengJun;CHEN ShiWu;彭光雄

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本文用完全自洽方法研究了零温下奇异夸克的性质,在新的夸克模型中同时考虑了禁闭和单胶子交换作用。讨论了奇异群稳定性的电荷和参数依赖性。发现单胶子交换作用降低了奇异态的能量,从而使奇异态保持绝对稳定。与没有单胶子交换相互作用的情况相比,本模型中的稳定奇异夸克态半径较小,因此根据禁闭和单胶子交换相互作用的强度,可以比具有相同重子数的正常核的奇异夸克态半径小得多。
The properties of strangelets at zero temperature with a new quark model that includes both the confinement and one-gluon-exchange interactions is studied in a fully self-consistent method. The charge and parameter dependence of the stability of strangelets are discussed. It is found that the one-gluon-exchange interaction lowers the energy of a strangelet, and consequently allows the strangelet to be absolutely stable. The stable strangelet radius in the present model is smaller in comparison with the absence of one-gluon-exchange interaction, and can thus be much less than that of a normal nucleus with the same baryon number, according to the strength of the confinement and one-gluon-exchange interactions.
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