介子对于强力敏感，具有整数自旋，各类介子的质量差别很大。
Mesons are sensitive to the strong force, have integral spin, and vary widely in mass.
10阅读教材第五章以补充关于手征微扰理论中重介子的讨论。
Read chap. 5 of your text book to complement our discussion of heavy mesons in chiral perturbation theory.
强子具有椭球对称性，本文预示介子的电磁辐射衰变中将存在体积和形变效应。
The hadron is of ellipsoidal symmetry and it is predicated that there will exist the Volume and deformation effects during the process of electromagnetic radiation decay of mesons.
介子的两体非轻子衰变过程是粒子物理中一个很重要的研究课题，任何理论上的突破都会引起广泛的关注。
Studying the non-leptonic decay of B meson is an important task in particle physics, and any breakthrough in theory may take new blood to this field.
我们的结论指出介子的中心处的横向电荷密度分布与介子大动量转移处的形状因子有关，我们给出了一个一般性的结论。
We conclude that the horizontal center of meson charge density distribution is related to the form factor at large momentum transfer. We give a general conclusion.
要求对称波函数的粒子，如介子，叫做玻色子。
Particles, such as pi-mesons, requiring symmetric wave functions are called bosons .
这个方程在描述没有自旋的粒子——比如某些介子——具有一定价值，但它对电子完全不适用。
This equation is of some value for describing particles without spin-certain kinds of mesons-but does not apply at all to the electron.
玻色子包括介子、偶质量数的原子核以及体现量子场论中的场所需要的粒子。
Bosons include mesons, nuclei of even mass number, and the particles required to embody the fields of quantum field theory.
中微子可以在我们所知的3个已经观察到的类型（电子，μ介子和τ中微子）之间来回切换，OPERA最初的设计是用来检测这些切换的。
Neutrinos are known to switch back and forth between their three observed types (electron, muon and tau neutrinos), and OPERA was originally designed to detect these shifts.
用RBUU方法研究了中高能重离子碰撞中K-介子产额及谱的情况。
We have investigated the yield and the spectrum of the K~- mesons in the heavy-ion collisions with the relativistic RBUU approach.
莱德和哲博士设计出一种粒子加速器，利用另一种亚原子粒子n介子作为中介，从而实现更优的方案。
Dr Learned and Dr Zee have come up with a design for a particle accelerator that would do the job a good deal more modestly, using another type of subatomic particle, the pion, as an intermediary.
因为它们有着与光速非常接近的速度，所以它们的衰变时间是实验室里静止的介子衰变时间的30倍。
Because they had a speed close to that of light, they took thirty times longer to disintegrate than muons that just sit still in the laboratory.
1995年以来，受B介子工厂和其它B相关大型实验的推动，关于B介子衰变和CP破坏的研究成为国际粒子物理研究的热点之一。
Since 1995, by the promotion of B factory and other large B experiments, the study of B meson decays and CP violation have become one of the hot topics of the international particle physics research.
介子由于其寿命小于碰撞中心区火球的寿命，可能反映高能重离子碰撞中心区的物质形态信息而被寄予厚望，受到广泛关注。
Rho meson gets quite much attention and is expected to carry information about the central fireball formed in the heavy ion collision, because its lifetime is shorter than that of the fireball.
所以我们把这一哈密顿量变换到瞬时形式下总角动量表象中，并仔细分析所得到的介子径向本征方程的物理内涵。
So we transform it to total angular momentum representation in instant form and explore the physical contents of the meson radial eigen equations.
该哈密顿量所对应的光前形式下的介子本征方程是在螺旋度-动量表象下表述的，不便于得到介子总角动量信息。
The front form meson eigen equations are formulated in momentum-helicity representation which hinders its solution in total angular momentum representation.
这个方程在描述没有自旋的粒子——比如某些介子——具有一定价值，但它对电子完全不适用。
This equation is of some value for describing particles without spin -certain kinds of mesons-but does not apply at all to the electron.
当它到达时，射线中的某些介子中微子会转变成电子中微子。
When it arrives, some of the muon neutrinos in it will have transformed themselves into electron neutrinos.
等到想起这位忠臣时，伤心的介子推早已遁入山林深处。
By the time Chong "er remembered him, a heartbroken Jie Zitui had traveled deep into the mountains."
大型强子对撞机是同样道理。庞大的实验场横跨两个国家，但研究的亚原子粒子(重子和介子)却微小至极。
Such is the case with the Large Hadron Collider (LHC), an experiment so grand that it spans two countries in its quest for subatomic particles so tiny that they are literally almost nothing.
随着时间的推移，慢慢地形成了这一习俗，在介子推死的那天不准烧火，但各家各户要收集柳枝，插在自家房前。
In the ensuing ages it gradually grew into a popular custom that on the day of Jie Zi-tui's death no fire must be lit, but willow branches to be gathered and planted in front of each family's home.
介子结构波函数的旋量结构和动量结构都是完全确定的。
The spinor and momentum structures of the structure wave functions are completely determined by the theory.
也有人指出，其实早在周朝就已经有暮春禁火的记载了，恐怕把寒食与介子推之死联系在一起的说法经不起推敲。
Therefore , it sounds dubious when people connect the death of Jie Zitui with the practice of eating cold food.
在重夸克势模型理论框架下，研究了重介子谱的色屏蔽效应。
The color screening effects are investigated on heavy quarkonium spectra within the framework of heavy quark potential model.
紧随其后的就是中子的发现，证实了卢瑟福几年前的假设，而之后则是中微子和各种介子被发现。
That was followed closely by the discovery of the neutron, confirming Rutherford's hypothesis of several years earlier, and afterwards the neutrino and various mesons were discovered.
进一步的工作需要扩展这个新的势对重介子其它性质和重子性质的研究，以便检验这个势的可靠性。
Further work is needed to extend this new potential to investigate other properties of heavy mesons and the properties of baryons so as to test the reliability of this potential.
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。
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。
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.
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