In nonthermal escape, chemical reactions or particle-particle collisions catapult atoms to escape velocity.

在非热逸过程中，由于化学反应或粒子与粒子之间的碰撞，原子因受到弹射而达到逃逸速度。

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Such simulations could be important to study particle collisions and black hole formation in greater detail, he says.

他说，这样的模拟对于更加仔细地研究粒子碰撞和黑洞形成是很重要的。

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Here, tracks of particle collisions in CERN's Large Hadron Collider, create conditions just moments after the Big Bang.

在CERN(欧洲核子研究中心)的大型强子对撞机上，对粒子碰撞的跟踪为了解宇宙大爆炸之后瞬间情况创造了条件。

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Detecting the Higgs boson takes a lot of particle collisions -- there's only one observed event in every trillion proton-proton collisions, CERN said.

CNN: Scientists more certain that particle is Higgs boson

As the planets congealed, gravitational forces and particle collisions created the high temperatures necessary to melt metals floating around in space, and minerals began their diversification.

ECONOMIST: Minerals

However, this could merely be a statistical fluke that results from the fact that to date only a few score of Higgs candidate events have been observed amongst billions of particle collisions.

CNN: Higgs and the holy grail of physics