DOI: 10.1063/1.1675747. Intermolecular Potentials from Crossed Beam Differential Elastic Scattering Measurements. III. He+He and Ne+Ne

Intermolecular Potentials from Crossed Beam Differential Elastic Scattering Measurements. III. He+He and Ne+Ne

10.1063/1.1675747

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

High-resolution differential cross sections for elastic scattering extending to wide scattering angles for He–He and Ne–Ne have been measured at two collision energies in the thermal range. The experiments were carried out by crossing two supersonic nozzle atom beams at right angles and detecting the atoms scattered in the plane of the beams with a rotatable electron-bombardment mass-filter universal detector. The results are analyzed to yield information on the interatomic potentials for these systems using a realistic and flexible potential function, and comparison is made with previously proposed potentials. For He2, a somewhat ``harder'' low-energy repulsion than that of most such potentials is inferred, while for Ne2 the potential well depth found is ∼ 30 % larger than earlier estimates and in good agreement with a preliminary spectroscopic finding.

Bibliography

Siska, P. E., Parson, J. M., Schafer, T. P., & Lee, Y. T. (1971). Intermolecular Potentials from Crossed Beam Differential Elastic Scattering Measurements. III. He+He and Ne+Ne. The Journal of Chemical Physics, 55(12), 5762â5770.

Authors 4

P. E. Siska (first)
J. M. Parson (additional)
T. P. Schafer (additional)
Y. T. Lee (additional)

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Dates

Type	When
Created	21 years, 6 months ago (Feb. 4, 2004, 5:07 p.m.)
Deposited	1 year, 6 months ago (Feb. 9, 2024, 4:26 a.m.)
Indexed	1 month, 2 weeks ago (July 7, 2025, 7:25 a.m.)
Issued	53 years, 8 months ago (Dec. 15, 1971)
Published	53 years, 8 months ago (Dec. 15, 1971)
Published Print	53 years, 8 months ago (Dec. 15, 1971)

Funders 0

None

BibTeX

@article{Siska_1971, title={Intermolecular Potentials from Crossed Beam Differential Elastic Scattering Measurements. III. He+He and Ne+Ne}, volume={55}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1675747}, DOI={10.1063/1.1675747}, number={12}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Siska, P. E. and Parson, J. M. and Schafer, T. P. and Lee, Y. T.}, year={1971}, month=dec, pages={5762–5770} }

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    "timestamp": 1707470775000
  },
  "score": 1,
  "resource": {
    "primary": {
      "URL": "https://pubs.aip.org/jcp/article/55/12/5762/764365/Intermolecular-Potentials-from-Crossed-Beam"
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  },
  "subtitle": [],
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  "issued": {
    "date-parts": [
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        12,
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  "ISSN": [
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    "1089-7690"
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  "subject": [],
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