Its new results show more positrons than expected.

最新观测结果显示，这些粒带的要比想象的多。

It begins to decay and emit positrons, aka, anti electrons.

它开始衰变并释放，也就是。

The collision first forms a neutron, and then a positron.

碰撞首先生成一个中，然后生成一个。

Thus, humanity recognized the positron, a positively charged copy of the electron.

因此，人类认识到了，一种带的拷贝。

The positron cannon is ready to fire.

炮准备了。

I'm sorry, we have a positron cannon?

抱歉 我们还有炮？

The positron cannon is ready to fire, and you're safe.

炮已准备开火 你安全了。

A positron for example is just like an electron but it has positive charge.

比如一个，就是一个，但是带有一个单位。

And when an electron and a positron or a proton and antiproton meet, they annihilate.

当一个与相遇，或者一个质与质相遇，它们就会抵消。

One possible explanation is that these excess positrons are a by-product of dark matter interactions.

这些多余的是暗物质间相互作用的副产物。

When electrons collide with the foil, positrons are formed in the flow.

当与金属箔相撞时，在流动中形成。

Next, a magnet comes into play and spreads positrons and electrons in different directions.

接下来，一个磁铁开始发挥作用，把和分散到不同的方向。

This fusion of particles releases a positron and some heat energy in the process.

粒的这种融合在此过程中释放出和一些热能。

These may be an electron and its antimatter equivalent, a positron, or two heavier leptons, a muon and an antimuon.

它们可能是一个和它的物质等价物，一个，或者两个更重的轻，一个介和一个介。

He had done research on positivism and he knew the positron.

他对实证主义有研究。他知道。

Within the limits of accuracy of the experiment, positron spin-flipping seems to happen at the same frequency as electron spin-flipping.

在实验精度可以达到的范围内，的自旋转似乎与的自旋转发生在同一微波频率上。

So what? His observation of highenergy positrons has provided the first conclusive evidence for the existence of galactic dark matter.

怎么样？他对高能点的观察报告首次确切证明了银河暗物质的存在。

Positrons are essentially electrons with positive charge.

本质上是带的。

The positron then immediately finds an electron, the two annihilate making a tiny flash of light, a photon.

马上找到一个，这两个湮灭时产生光的微小闪光。

The isotopes used in PET decay by positron emission.

PET 中使用的同位素通过发射衰变。