Journal article
Unusual nature of positronium-proton elastic scattering
Physical Review A - Atomic, Molecular, and Optical Physics, Vol.54(2), pp.1720-1722
1996
Abstract
The Lippmann-Schwinger equation for positronium-proton elastic scattering lacks a first-order term because the center of mass and center of charge are coincident. A consequence of this is that the high-energy behavior of the phase shift is governed by the second-Born approximation. Asymptotic analysis indicates that the high-energy form of the phase shift is δL∼O(1/k3), where k is the incident positronium momentum. The asymptotic analysis has been confirmed by an explicit close-coupling calculation including the Ps(1s), Ps(2s), Ps(2p), H(1s), H(2s), and H(2p) states.
Details
- Title
- Unusual nature of positronium-proton elastic scattering
- Authors/Creators
- J. Mitroy (Author/Creator)K. Ratnavelu (Author/Creator)A. Stelbovics (Author/Creator)
- Publication Details
- Physical Review A - Atomic, Molecular, and Optical Physics, Vol.54(2), pp.1720-1722
- Publisher
- The American Physical Society
- Identifiers
- 991005542389807891
- Copyright
- © 1996 The American Physical Society
- Murdoch Affiliation
- Centre for Atomic, Molecular and Surface Physics; School of Mathematical and Physical Sciences
- Language
- English
- Resource Type
- Journal article
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