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.
一束质子撞击在一个固定靶上,制造出一群散射而出,且在几分之一秒之后就会衰变成中微子的介子。
A bunch of protons smash into a fixed target, creating a horde of scattered mesons, which last for fractions of a second before decaying into neutrinos.
而K中介子能被任何质子衰变探测仪探测到,比如日本的超级神冈探测器(精度最高)。
And that kaon could be detected by any machine looking for proton decays, namely Japan's SuperKamiokande detector (pictured top).
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.
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.
同时,介子会快速衰变成缈子抵达地面。
Meanwhile the pions quickly decay into mu mesons, or muons, which penetrate to the ground.
同时,介子会快速衰变成缈子抵达地面。
Meanwhile the pions quickly decay into mu mesons, or muons, which penetrate to the ground.
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