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这一切都发生在一个俘获反氢原子的磁瓶里。All this happened inside a magnetic bottle that traps the antihydrogen atoms.

采用具有微弱磁矩的强磁体是捕获反氢原子的关键。A strong magnet was critical to trapping antihydrogen atoms by using their small magnetic moments.

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例如，任何违反氢和反氢之间对称的期望会动摇物理学的核心。For example, any violation of the expected symmetry between hydrogen and antihydrogen would rock physics to its core.

反氢和氢原子应该有相同的特性，例如发出光的频率一模一样。Antihydrogen and hydrogen atoms should have the same properties, emitting the exact same frequencies of light, for example.

在一级玻恩近似下，研究了在激光辅助的电子偶素反质子碰撞中的反氢合成。Antihydrogen formation in the laser-assisted positronium-antiproton collision is investigated in the first born approximation.

一连串反应开始于以雷射光激发铯原子束，然后使正子移到反质子旁以形成反氢。A chain of reactions, starting with a beam of laser-excited cesium atoms, transfers the positrons to the antiprotons to form antihydrogen.

雅典娜小组基于模拟记录这个状态131次，推断它已经至少产生50，000个反氢原子。The Athena team recorded this pattern 131 times and based on simulations, concluded that it had produced at least 50,000 antihydrogen atoms.

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为了产生低温的反原子，ATRAP团队发展出以雷射控制的系统来制造反氢。In an effort to create lower-temperature antiatoms , the ATRAP collaboration has developed a laser-controlled system for antihydrogen production.

撞击过程偶尔会产生电子–正子对，并让正子与反质子一起飞开而形成反氢原子。Occasionally a collision produced an electron-positron pair, with the positron and antiproton flying off together and forming an antihydrogen atom.

为了要建立反氢原子，并且要使它不至于马上湮灭，反氢激光物理装置的研究团队把反质子冷却，并把它们压缩成火柴棍大小的云斑。To create antihydrogen and keep it from immediately annihilating, the ALPHA team cooled antiprotons and compressed them into a matchstick-size cloud.

当超级大国的库存中已经有了成千倍更强大的氢弹时，为什么要去制造一颗20千吨的反氢原子炸弹呢？Why construct a 20 kilo-ton antihydrogen bomb when thousand times more powerful hydrogen bombs do already exist in the stockpiles of the superpowers?

您提到捕获到38个反氢原子是一项重大突破。能不能向那些非科学界人士解释一下这次捕获，或是说这次短暂的捕获的意义。And you say it a big breakthrough, 38 antihydrogen atoms. Just explain for the non-scientists the significance of this capture, or be a brief capture.

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探测反氢的能级结构把它与氢作比较如同一项CPT定理测试那样是这些合作的目标。It is the goal of these collaborations to probe the energy level structure of antihydrogen to compare it with that of hydrogen as a test of the CPT theorem.

研究小组证实，1000万个反质子和7亿个正电子共形成38个稳定的反氢原子，每一个的存在时间只有短短十分之二秒左右。Theteam proved that among their 10 million antiprotons and 700 million positrons, 38 stable atoms of antihydrogen were formed, lasting about two tenths of asecond each.

他们在春天说，他们希望产生一束反氢激光制造出原子光谱的初步测量器以便它能与常态的氢相比较。They say that in the spring, they hope to train a laser on the antihydrogen to make a preliminary measurement of the atom's spectrum so that it can be compared to regular hydrogen.