Vibrational-Resonance Enhancement of Positron Annihilation in Molecules

S. J. Gilbert, L. D. Barnes, J. P. Sullivan, and C. M. Surko
Phys. Rev. Lett. 88, 043201 – Published 11 January 2002; Erratum Phys. Rev. Lett. 88, 079901 (2002)
PDFExport Citation

Abstract

The rate of annihilation of low-energy positrons in many molecular gases is orders of magnitude larger than can be explained on the basis of simple collisions. Developments in positron beam technology have enabled the first energy-resolved measurements of this annihilation process. The results of these experiments provide direct evidence that the large observed values of annihilation rate are due to the excitation of long-lived vibrational resonances of the positron-molecule complex. These results are generally consistent with a recent theoretical model of resonant annihilation.

  • Received 8 August 2001

DOI:https://doi.org/10.1103/PhysRevLett.88.043201

©2002 American Physical Society

Erratum

Erratum: Vibrational-Resonance Enhancement of Positron Annihilation in Molecules [Phys. Rev. Lett. 88, 043201 (2002)]

S. J. Gilbert, L. D. Barnes, J. P. Sullivan, and C. M. Surko
Phys. Rev. Lett. 88, 079901 (2002)

Authors & Affiliations

S. J. Gilbert, L. D. Barnes, J. P. Sullivan, and C. M. Surko

  • Department of Physics, University of California, San Diego, California 92093-0319

References (Subscription Required)

Click to Expand
Issue

Vol. 88, Iss. 4 — 28 January 2002

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review Letters

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×