antiproton

antiproton

1. Once an antiproton and positron have joined forces, the resulting antihydrogen atom is electrically neutral and thus no longer caged by the electrical fields in the trap.

一旦一个反质子和正电子具有了结合的力量,产生的反氢原子是中性的,结果在线圈中不再受电场束缚。

2. To do that, CERN built the Antiproton Decelerator, which uses electric and magnetic fields to slow the particles from near light speed to about one-tenth of that, he said.

为了要做那些,CERN建造了反质子加速器,他说,使用电场和磁场把接近光速度的粒子减慢到光速的十分之一左右。

3. For example, a proton is denoted with a "p", and an antiproton is denoted by a "p" with a line over its top .

举例来说,一个质子用“p”表示,而一个反质子用“p”在它的顶端上加一条线表示。

4. An atom of antihydrogen, for instance, is composed of a negatively-charged antiproton being orbited by a positively-charged positron.

举例来说,一个反氢原子,由带正电荷的正电子围绕带负电荷轨道运行的反质子组成。

5. That means, in average, there is a extra proton or electron (antiproton) in 19100 neutrons.

也就是说,平均在19100个中子当中,要夹带一个过剩质子或电子(反质子)。

6. Since 2000 this deceleration has been carried out by the Antiproton Decelerator at CERN.

从2000年开始,CERN的反质子减速器就在进行这样的减速过程。

7. Thus, antiquark, antiproton, etc.

像反夸克,反质子等等。

8. Successive bunches of antiprotons from the Antiproton Decelerator can be added to the trap, a process invented by TRAP called stacking.

反质子减速器里不断飞出的反质子束可以逐渐加到阱里,这是TRAP所发明出来的堆叠过程。

9. antiproton atom

反质子原子

10. antiproton beam

反质子束

11. antiproton injection

反质子注入

12. antiproton accumulator ring

反质子累积环

13. PRELIMINARY MEASUREMENT OF THE ANTIPROTON COMPONENT IN COSMIC RAYS AT A 3220m ALTITUDE

在海拔3220米宇宙线中反质子成份的初步测量

14. Computation of Cosmic Ray Antiproton Spectrum from Neutralino Annihilation

宇宙射线中Neutralino湮灭生成的反质子谱的计算

15. CALCULATION OF THE SECONDARY ANTIPROTON FLUX IN COSMIC SPACE

宇宙空间的次级反质子流强的计算

16. Next the antiatoms encounter a strong electric field that strips apart the antiproton and positron of the weakly bound antiatoms.

接著,反原子会遇到一个强电场,把束缚松散的反原子里的反质子及正子给拆开。

17. Antiproton Spectrum Produced by Dark Matter Annihilation

暗物质粒子湮没生成的反质子谱

18. We carry on model study on non-thermal phase transition and antiproton to proton ratio at RHIC energies.

本文对非热相变和RHIC能区的反质子质子产额比进行了模型研究。

19. Every minute and a half, the Antiproton Decelerator emits a pulse of about 20 million antiprotons.

每隔1.5分钟,反质子减速器就会释放出一个含有约2000万个反质子的脉冲。

20. Laser-assisted Antihydrogen Formation between a Positronium and an Antiproton

激光辅助的电子偶素对反质子的反氢生成反应

21. Dirac's theory also predicted a negatively charged sister for the proton, called the antiproton

狄喇克的理论还预言有一种质子的姐妹粒子,带负电荷,叫做反质子。

22. 3.Scientists in 1995 succeeded in producing anti-atoms of hydrogen, and also anti-deuteron nuclei, made out of an antiproton and an antineutron, but not yet more complex antimatter.

科学家在1995年成功生产了氢的反原子,以及反氘核核子,由一个反质子和一个反中子生成,仅仅还不能是更为复杂的反物质。

23. The nuclide chart involves electron, positron, antiproton, antineutron, photon to exhibit the symmetry of mass and charge ideally.

该核素图将电子、正电子、反质子、反中子和光子收录在内,完美地表现了质量和电荷的对称性。

24. proton antiproton collision

质子反质子碰撞

25. Another team, ASACUSA, is studying exotic helium atoms in which one electron is replaced by an antiproton.

还有另外一个ASACUSA团队,则是研究一种奇特的氦原子(反质子取代了其中一个电子)。

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