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Reactions of diatomic rare‐gas ions with rare‐gas atoms for primary‐ion energies below 50 eV
1.G. E. Veatch and H. J. Oskam, Phys. Rev. A 2, 1422 (1970).
2.H. L. Kramer, J. A. Herce, and E. E. Muschlitz, Jr., J. Chem. Phys. 56, 4166 (1972).
3.D. K. Bohme, N. G. Adams, M. Mosesman, D. B. Dunkin, and E. E. Ferguson, J. Chem. Phys. 52, 5094 (1970).
4.T. R. Grossheim, J. J. Leventhal, and H. H. Harris, Phys. Rev. A 7, 1591 (1973).
5.W. B. Maier II, Phys. Rev. A 5, 1256 (1972).
6.W. B. Maier II, J. Chem. Phys. 60, 3588 (1974).
7.W. B. Maier II, Phys. Rev., “Electron Transfer in Collisions between Atomic Ions and Rare‐Gas Atoms for Primary‐Ion Energies below 200 eV. II” (submitted).
8. is the number of secondary ions produced in the reaction chamber, divided by the number that emerge through the exit slit.
9.W. B. Maier II, J. Chem. Phys. 42, 1790 (1965).
10.C. F. Giese and W. B. Maier II, J. Chem. Phys. 39, 739 (1963).
11.The arguments are entirely similar to those given in Refs. 5 and 6. See also W. B. Maier II, “Transformations from Barycentric to Laboratory Coordinates for Two‐ and Three‐Body Scattering Events,” Los Alamos Scientific Laboratory Report LA‐3972 (1969).
12.H. F. Wellenstein and W. W. Robertson, J. Chem. Phys. 56, 1077 (1972).
13.In fact, the pressure dependence of the current from the SMS did not correspond to formation by Furthermore, the dependence of the current on was no like the dependence of the current on The process where is some high‐lying, excited state of A, is almost certainly the source of the vast majority of used in these experiments.
14.The pressure indicated by the McLeod gauge is about twice the effective pressure along the reaction path (Ref. 9).
15.Different measurements, made months apart, yielded cross sections for this reaction which were always similar in shape but were different in magnitude by as much as 20%. This scatter is twice as large as normally observed.
16.P. J. Chantry, J. Chem. Phys. 55, 2746 (1971).
17.The used here corresponds to the most abundant isotopic species.
18.V. Sidis and H. Lefebvre‐Brion, J. Phys. B 4, 1040 (1971).
19.This energy was calculated from the polarizability of He [R. R. Teachout and R. T. Pack, At. Data 3, 195 (1971)]
19.and from the formula for the polarization energy [M. Henchman, Ion‐Molecule Reactions, edited by J. L. Franklin (Plenum, New York, 1972) p. 101; see pp. 189–190]. Probably, the actual binding energy of the is smaller than the polarization energy.
20.J. S. Cohen (private communication, 1974).
20.This curve is calculated from parameters given by J. M. Farrar, T. P. Schafer, and Y. T. Lee, in Transport Phenomena, AIP Conference Proceedings No. 11, edited by J. Kestin (American Institute of Physics, New York, 1973), p. 279.
21.B. Liu, Phys. Rev. Lett. 27, 1251 (1971).
22.R. S. Mulliken, J. Chem. Phys. 52, 5170 (1970).
23.J. S. Cohen and B. Schneider, J. Chem. Phys. 61, 3230 (1974).
24.E. F. Gurnee and J. L. Magee, J. Chem. Phys. 26, 1237 (1957).
25.M. Lipeles, J. Chem. Phys. 51, 1252 (1969).
26.N. Kobayashi, J. Phys. Soc. Jpn. 36, 259 (1974);
26.N. Kobayashi and Y. Kaneko, J. Phys. Soc. Jpn. 34, 496 (1973)., J. Phys. Soc. Jpn.
27.T. L. Gilbert and A. C. Wahl, J. Chem. Phys. 55, 5247 (1971).
28.C. E. Moore, Atomic Energy Levels, Natl. Bur. Std. Circ. 467, Vol. I (1949),
28.Vol. II (1952),
28.Vol. III (1958).
29.This conclusion leans heavily on the not yet published work of J. S. Cohen (private communication, 1974).
30.Because the collision velocities are relatively low, the electron transfer should be nearly adiabatic.
31.In fact, a really good, quantitative treatment by this method is difficult, because the polarizability of the unbound ground state and the internuclear separation of A and (assumed constant) at which occurs within the complex are required.
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