就像正质子那样的粒子，如果它与其反物质的配偶——反质子相遇，这两个粒子就会在强大的爆炸中相互湮灭。
When a particle, such as a proton, meets with its antimatter partner, the antiproton, the two annihilate each other in a powerful explosion.
研究反质子合作项目的负责人堀·正树在一份声明中说：“这是一个非常令人满意的结果。”
"This is a very satisfying result," Masaki Hori, a project leader in the antiproton collaboration, said in a statement.
但是一些天文学家一直怀疑，那些剩下的反质子一定被地球磁场捕获，形成一条反质子辐射带。
But some astronomers always suspected that the remaining antiprotons must become trapped by the Earth's magnetic field, forming an antiproton radiation belt.
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