这个结论来自CDF实验组对费米实验室的万亿电子伏对撞机产生的数以亿计的正反质子对碰撞所得数据的分析。
The result comes from CDF's analysis of billions of collisions of protons and antiprotons produced by Fermilab's Tevatron collider.
天文学家很久之前认识到，这些粒子碰撞一定会产生反质子，正如它们在地球上的粒子加速器中的表现一样。
Astronomers long ago realised that these collisions must produce antiprotons, just as they do in particle accelerators on Earth.
利用最近的实验结果，计算了宇宙线与星际物质碰撞产生的反质子流强。
Using recent experimental results, we calculate the antiproton flux which is produced by the collisions of cosmic rays with the interstellar matter.
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