Molecular Collisions

Authored by: Igor Bello

Vacuum and Ultravacuum

Print publication date:  November  2017
Online publication date:  November  2017

Print ISBN: 9781498782043
eBook ISBN: 9781315155364
Adobe ISBN:


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We can discuss many types of collisions ranging from the collisions of subatomic particles to the collisions of galaxies. However, a vast number of these collisions can hardly be controlled. They are beyond our experience. The collisions of galaxies differ from those of particles in dimensions and time scale, and they are hardly detectable in our real time. Since the collisional events in our planetary system are much closer, we could have a chance to observe some of them. The fragmental collision of the Shoemaker comet with Jupiter was fascinating (July 1994), but it could not be controlled or prevented. In billiards, players try to control the motion of billiard balls and their collisions. Other somewhat controlled collisions are those of particles in accelerators and some analytical systems. These experimental collisions provide us with information about molecular and atomic structures and properties of matters. However, we only discuss some molecular collisions here.

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