In a two-body collision, two free particles approach each other from a big distance, interact with one another for a brief period of time, and then separate again, moving far away from one another. For a proper understanding of this collision process, we start with a study of the motion of a free particle. The changes in the characteristics of a free particle as a result of an interaction (collision) are considered in the next chapter. Since microparticles are involved, in atomic collisions, we need quantum mechanics for our study.


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Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • S. P. Khare
    • 1
  1. 1.Chowdhary Charan Singh UniversityMeerutIndia

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