It is electrically neutral and has only a small mass . they only take part in weak interactions and gravity . since they interact only very weakly with matters , they could pass through almost anything unimpeded 中微子是基本粒子之一,它不带电荷,质量极小,只参予弱作用及重力,与任何物质只有极微弱的相互作用,因此穿透力极高。
Although the quantum laws are thought to be valid for objects of all sizes ? from elementary particles to the universe as a whole ? we do not usually see matter waves or any other quantum behavior in our everyday world 虽然量子定律应该适用于各种不同大小的物体(从基本粒子到整个宇宙) ,但在日常生活里,我们通常看不到物质波或是其他的量子现象。
According to the theory of big bang ; sub particles released there in were carrying the opposite forces out of which one was prominent , so it displayed that property , but it had the seed for the opposite force 根据大爆炸理论;释放出来的基本粒子带着两种相反的属性,其中之一处于主导地为,所以虽然它显现出它那个属性,但却蕴含着相反力量的种子。
The exact abundances of the three lightest elements are an important test of the so - called standard model of physics ? the list of fundamental particles found so far and the forces that link them 物理标准模式理论中有一项极为重要的试验,该试验检测的是宇宙空间中3中质量最轻元素的确切丰度,即需要列出到目前所发现的基本粒子与将它们融合起来的各种作用力。
A particle , such as an electron , a proton , or a neutron , having half - integral spin and obeying statistical rules requiring that not more than one in a set of identical particles may occupy a particular quantum state 费密子一种如电子、质子或中子等自旋为半整数的基本粒子,具有一种使得不可能有多于一个的粒子占有任何一个特殊的量子力学态的量子力学对称性
His research interests include elementary particles , field theory , high energy phenomenology , dissipative systems and especially their eigenfunction representation and application to optics , gravitational waves and other open systems 杨教授多年来从事理论物理学研究,包括基本粒子、场论、高能唯象、耗散系统及本征态展开,以及对光学和引力波等开放系统的应用。
Odd though it sounds , cosmic inflation is a scientifically plausible consequence of some respected ideas in elementary particle physics , and many astrophysicists have been convinced for the better part of a decade that it is true 尽管听起来很古怪,宇宙膨胀论是基本粒子物理学中一些颇受尊重的观点的科学的似是而非的结果,许多天体物理学家在未来的十年还是觉得它是对的。
Odd though it sounds , cosmic inflation is a scientifically plausible consequence of some respected ideas in elementary particle physics , and many astrophysicists have been convinced for the better part of a decade that it is true 译为:宇宙膨胀虽然听似奇特,但它是基本粒子物理学中一些公认理论在科学上看来可信的推论,七八年来许多天体物理学家一直认为这一学说是正确的。
Odd though it sounds , cosmic inflation is a scientifically plausible consequence of some respected ideas in elementary particle physics , and many astrophysicists have been convinced for the better part of a decade that it is true 虽然这听起来有些奇怪,但宇宙膨胀的确是许多基本粒子物理学中受到尊重的设想的具有科学可性度的结论,许多天体物理学家在近十年内一直确信它是正确的。