Excitation of molecular vibrations by positron impact
JP Sullivan, SJ Gilbert, CM Surko - Physical Review Letters, 2001 - APS
JP Sullivan, SJ Gilbert, CM Surko
Physical Review Letters, 2001•APSAbsolute cross sections for the vibrational excitation of CO, CO 2, and H 2 by positron impact
are presented for incident positron energies from 0.5 eV to several electron volts. The
measurements use a novel technique that exploits the adiabatic motion of a positron beam
in a strong magnetic field. This work is the first systematic experimental study of vibrational
excitation by positron impact, and extends to energies where positron measurements have
traditionally been difficult. The measured cross sections are compared with available …
are presented for incident positron energies from 0.5 eV to several electron volts. The
measurements use a novel technique that exploits the adiabatic motion of a positron beam
in a strong magnetic field. This work is the first systematic experimental study of vibrational
excitation by positron impact, and extends to energies where positron measurements have
traditionally been difficult. The measured cross sections are compared with available …
Abstract
Absolute cross sections for the vibrational excitation of CO, CO 2, and H 2 by positron impact are presented for incident positron energies from 0.5 eV to several electron volts. The measurements use a novel technique that exploits the adiabatic motion of a positron beam in a strong magnetic field. This work is the first systematic experimental study of vibrational excitation by positron impact, and extends to energies where positron measurements have traditionally been difficult. The measured cross sections are compared with available theoretical calculations.
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