| 释义 |
Ramsauer–Townsend Physics.|ˈræmzaʊə ˈtaʊnzɛnd|
The names of C. W. Ramsauer (see prec.) and John Sealy Edward Townsend (1868–1957), Irish physicist, used attrib. with reference to the Ramsauer effect (see prec.).
1952Massey & Burhop Electronic & Ionic Impact Phenomena i. 9 The remarkable transparency of the heavier rare gases atoms towards electrons of energy 1 eV or so..will be referred to as the Ramsauer–Townsend effect. Ibid. iii. 115 It is now of interest to consider the contribution from higher-order cross-sections. These are very small at the Ramsauer–Townsend minimum. 1963Physical Rev. CXXX. 1022/2 It might be guessed that the Ransauer–Townsend minimum should occur at approximately the same place in both scattering and momentum transfer cross sections. 1977P. G. Burke Potential Scattering in Atomic Physics vii. 73 The balance of this repulsion with the long range r-4 attraction caused by the polarization of the atom in the field of the incident electron is the cause of the Ramsauer–Townsend effect. |