Mode-channel interdependence of the vibrational excitations associated with K-shell photoionization of CO2

Yury S. Krivosenko and Andrey A. Pavlychev
Phys. Rev. A 89, 032517 – Published 31 March 2014

Abstract

It is shown that the direction of the photoelectron recoil momentum transferred to the photoion influences molecular photoionization dynamics, resulting in the appearance of a specific mode–channel interdependence. We disclose the interdependence and the interplay of the core-hole- and photoelectron-induced recoil effects by passing to normal mass-dependent modes in both coordinate and momentum spaces. As an example, the vibrational structure of the 1s1 photoelectron line of CO2 is investigated in detail. The intensity of bending and symmetric and asymmetric stretching vibrational and rotational excitations is found to differ substantially in the ΣΣ and ΣΠ photoionization channels.

  • Figure
  • Received 28 November 2013

DOI:https://doi.org/10.1103/PhysRevA.89.032517

©2014 American Physical Society

Authors & Affiliations

Yury S. Krivosenko* and Andrey A. Pavlychev

  • V. A. Fock Institute of Physics, St. Petersburg State University, 198504 St. Petersburg, Petrodvorets, Ulianovskaya 3, Russia

  • *y.krivosenko@gmail.com
  • andrey.pavlychev@gmail.com

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Issue

Vol. 89, Iss. 3 — March 2014

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