Low-Energy Electron Scattering from Strongly Polar Molecules. : IV. Dipole-Moment Dependence
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A svstematic stud>' is made of the dipole-moment dependence of cross sectionsfor electron-polar molecule collisions. The close-coupling method is used toobtain elastic (a(0-+0)), rotationally-inelastic (a(0->])) and momentum-transfer(a.(0e0) and a.(0-+l)) cross sections. A pure dipole interaction is adopted withthe dipole rrqoment (D) varying from 1.0 to 4.0 a.u. The 7)-dependence of<m(0-+1)is quite similar to the corresponding result in the Born approximation, whichsives the cross section r>ror>ortional to D". The behavior of on is much differentfrom that of o. As D increases, o. oscillates and remains much less than the Bornvalue. Physical implications of those behaviors of the cross sections are discussed.
- 社団法人日本物理学会の論文
- 1977-04-15
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