Titlebook: Introduction to the Theory of Collisions of Electrons with Atoms and Molecules; S. P. Khare Book 2001 Kluwer Academic/Plenum Publishers, N

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Collision between Two Particles,mi-Dirac statistics). For the bosons, the total wave function (including spins) of the system is symmetric, i.e., the wave function is unchanged on the exchange of . and .. On the other hand, for the fermions, the total wave function is antisymmetric and changes its sign on the exchange of . and ..

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Collision of Electrons with Molecules,from one another (see Sec. 9.2). Each electronic state has a number of vibrational states and each vibrational state contains a number of rotational states. Thus the energy spectra of molecules are much more complex than the atomic spectra.

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Collision of a Free Particle with a Potential Field,In the previous chapter we discussed the motion of a free particle. Now we consider the collision (scattering) of a free particle with (by) a potential field. In the presence of a potential, Eq. (2.3.3) changes to (Burke, 1977) . where .. is the potential energy of the particle. In the asymptotic region, where .. = 0, (3.1.1) admits two solutions.

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