1) finite-energy sum rule
有限能量求和规则
1.
We expand Singh\'s method and work out the complete set of the equations for the finite-energy sum rules,including both expressions in the theoretical and the phenomenological sides.
为了统一地采用谱函数的有限宽度描述,以同样的方式同时处理重子的基态与激发态,本文推广了Singh等提出的奇异重子的有限能量求和规则,得到能确定10个待求参数的完备方程组,即10个有限能量求和规则,并用数值方法得到奇异重子基态、第一和第二激发态的质量与衰变宽度。
2) finite temperature QCD sum rules
有限温度QCD求和规则
3) sum rule
求和规则
1.
In this paper I would like to discuss the strategy in obtaining analytical formulas of number of spin I states of identical particles,and the relationship between dimension and sum rules for angular momentum couplings such as sixj and nine-j symbols.
结合工作,讨论了3个和4个全同粒子的状态数解析表达式与角动量耦合中的6j和9j系数的求和规则、单轨道中J级对力、核子系统的自旋和同位旋都确定的空间维数等核结构基本理论方面的新进展。
2.
We investigate the properties of polarization vectors for gauge bosons,including their forms with arbitrary polarization direction in laboratory frame,their different sum rules,and the projection operators they constitute.
讨论内容包括极化矢量的具体形式和性质、求和规则和规范传播子之间的关系以及由其张成的投影算子的性质。
4) sum rules
求和规则
1.
We consider the mass dependence on the mixing between a pure glueball and a normal qq meson in QCD sum rules.
在QCD求和规则的框架下考虑了纯胶球和普通介子态的混合效应对二者质量的影响。
2.
The two-point function of the 0++ three-gluon scalar current is calculated byincluding not only the perturbative contribution but also the non-perturbativecontributions of condensates of dimension up to six The QCD sum rules for the0++ three-gluon scalar glueball are deduced in the "zero-width resonance pluscontinuum" model.
在"零宽度共振态加连续谱"的谱函数模型中,得到了0++三胶子标胶球的量子色动力学求和规则,由此定出了该标胶球的质量。
3.
Based on analysing the sum rules in Kramers-Heisenberg dispersion formula, discuss the virtual states to bridge the transition process in SRS and the physical mechanism of SRS.
通过对克雷末斯—海森堡色散公式中求和规则的分析,讨论了虑态在SRS中桥接跃迁过程的作用,从而提出了SRS的物理机制,在此基础上,引进一个假设,建立理论模型,导出了第一阶Stokes光子的速率方程。
5) QCD sum rule
QCD求和规则
1.
The D~+→~■0l~+ν_l decay was researched by means of QCD sum rules.
通过QCD求和规则研究D+→K-0l+lν衰变过程,计算D→K跃迁形状因子,通过构造新的关联函数,消除了twist-3波函数的不确定性对计算结果的影响,使计算结果更精确。
2.
QCD sum rule is an important nonperturbative method in hadron physics,it has been a powerful technique in study of hadron physics and nuclear physics.
简单介绍了QCD求和规则的基本概念、方法与应用,特别讨论了QCD求和规则近年来的发展和与之相关的一些前沿问题。
3.
In this paper, we investigate the instanton effects to the mass of 0 ++ glueball by QCD sum rule approach.
利用包含瞬子效应的QCD求和规则计算了 0 + + 胶球的质量上限 ,结果为 1 3GeV 。
6) GDH sun rule
GDH求和规则
补充资料:有限
1.有限制;有限度。 2.指数量不多;程度不高。 3.哲学范畴。指有条件的﹑在空间和时间上都有一定限制的﹑有始有终的东西。相对于"无限"而言。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条