【Key words】 ion-atom collision; potential parameter; double electron capture; transfer ionization
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极光的出现缘于太阳风离子与高层大气中的氧氮原子的碰撞。
Auroras happen when ions in the solar wind collide with atoms of oxygen and nitrogen in the upper atmosphere.
这项成果是基于，在大型强子对撞机在2010年最后两周的运行期间，对其收集的数据进行的分析，当时这台原子对撞机改换成氢质子对铅离子的碰撞。
The results are based on analysis of data collected during the last two weeks of the 2010 LHC run, when the atom smasher switched from colliding hydrogen protons to lead-ions.
这些被离子化的分子如果再次与电子结合，或彼此发生碰撞，其所产生的能量就会把分子裂解成高速飞行的原子而进入太空。
When the ionized molecules recombine with electrons or collide with one another, the energy released splits the molecules into atoms with enough speed to escape.
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