Based on the mass relation obtained in the framework of meson-meson mixing, with the help of the assumption that for the almost ideally mixing meson nonets, the corrections deduced by the flavor-dependent quarkonia tranistion can be ignored, and the mass of the isodoublet of the 2~3S_1 meson nonet is predicted to be 1584 ( 16.
借助对于接近理想混合的介子九重态,味道有关的夸克偶素间的湮灭效应可以忽略这样一个假定,利用在介子、介子混合框架下导出的质量关系,预言23S1介子九重态中同位旋二重态的质量大约为1584±16。
The key application of the method of analogy in nuclear physics is discussed from the viewpoint of history of physics and methodology,using the theories of nuclear energy level,β decay and meson as example.
以核能级、β衰变和核力的介子理论为例 ,从物理学史和方法论的角度论述了类比在核物理中的重要应
We study the gluonic content of the Pomeron through relating the Pomeron trajectory to the observed IGJPC=0+2++ isoscalar tensor mesons.
通过把坡密子与观察到的量子数为IGJPC=0+2++的同位旋张量介子联系起来的思想,研究了坡密子的胶子内涵。
We study the gluonic content of the pomeron through relating the pomeron trajectory to the observed Ic JPC = 0+ 2++ isoscalar tensor mesons.
通过把坡密子的轨迹跟观察到的量子数I~GJ~(PC)=0~+2~(++)的同位旋标量的张量介子联系起来的关系,研究了坡密子的胶子球内涵。
In the framework of the meson-meson mixing and the nonrelativistic constituent quark model, it is found that the K(~3P_1) - K(~P_1) mixing angle is about±59°.
在介子-介子混合以及非相对论组分夸克模型两种不同的理论框架下,我们唯象研究了K(~3P_1)和K(~1P_1)的混合,发现它们的混合角大约为±59°,进一步,我们在~3P_0介子衰变模型下给出了K_1(1270)和K_1(1400)的强子衰变宽度,同时我们也给出了关于这两个物理态在τ衰变中的产生比率,对比我们的理论预言和可得到的关于K_1(1270)和K_1(1400)的实验信息显示,目前的实验信息支持K(~3P_1)和K(~1P_1))的混合角为+59°。
It is important to measure meson productions in heavy ion collisions in order to understand the dynamics of heavy ion reactions and the properties of nuclear matter.
重离子反应中介子产生的观测对于认识重离子反应动力学和核物质性质具有重要的意义 。
, t-channel ρ meson and f 2(1270) meson exchange plus an additional s-channel resonance f 0(X).
对f0 ( 40 0— 1 2 0 0 )的物理本质进行了探讨 ,将其分解为三部分 :t道 ρ介子和f2 ( 1 2 70 )介子交换部分以及一个很宽的s道共振态f0 (X) 。
Replacing the one gluon exchange with meson exchange,a systematic calculation of dibaryon state in u,d,s 3 flavor world was made by using quark delocalization color screening model.
在夸克蜕定域色屏蔽模型(QDCSM)的框架下,用介子交换代替单胶子交换,系统计算了u、d、s三味世界中的双重子态。
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