Rotationally resolved photoionization of O2+ near threshold

Russell G. Tonkyn; Jerry W. Winniczek; Michael G. White

doi:10.1016/0009-2614(89)85005-5

Rotationally resolved photoionization of O₂⁺ near threshold

Russell G. Tonkyn
, Jerry W. Winniczek
, Michael G. White

Chemistry

Stony Brook University

Brookhaven National Laboratory

Research output: Contribution to journal › Article › peer-review

165 Scopus citations

Abstract

A delayed, pulsed field ionization technique is used in combination with a high-resolution VUV radiation source to measure the rotational structure associated with the X̃²Π_g←X³Σ_g^- (0, 0) ionizing transition in O₂. The data have been fit to theoretical expressions derived by Buckingham, Orr and Sichel (1970) for rotationally resolved one-photon ionization cross sections. From the fit we obtain an accurate ionization potential for O₂ (97348±2 cm^-1), as well as evidence that the outgoing l=3 continuum channel is important in the threshold ionization of O₂.

Original language	English
Pages (from-to)	137-142
Number of pages	6
Journal	Chemical Physics Letters
Volume	164
Issue number	2-3
DOIs	https://doi.org/10.1016/0009-2614(89)85005-5
State	Published - Dec 8 1989

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title = "Rotationally resolved photoionization of O2+ near threshold",

abstract = "A delayed, pulsed field ionization technique is used in combination with a high-resolution VUV radiation source to measure the rotational structure associated with the {\~X}2Πg←X3Σg- (0, 0) ionizing transition in O2. The data have been fit to theoretical expressions derived by Buckingham, Orr and Sichel (1970) for rotationally resolved one-photon ionization cross sections. From the fit we obtain an accurate ionization potential for O2 (97348±2 cm-1), as well as evidence that the outgoing l=3 continuum channel is important in the threshold ionization of O2.",

author = "Tonkyn, \{Russell G.\} and Winniczek, \{Jerry W.\} and White, \{Michael G.\}",

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T1 - Rotationally resolved photoionization of O2+ near threshold

AU - Tonkyn, Russell G.

AU - Winniczek, Jerry W.

AU - White, Michael G.

PY - 1989/12/8

Y1 - 1989/12/8

N2 - A delayed, pulsed field ionization technique is used in combination with a high-resolution VUV radiation source to measure the rotational structure associated with the X̃2Πg←X3Σg- (0, 0) ionizing transition in O2. The data have been fit to theoretical expressions derived by Buckingham, Orr and Sichel (1970) for rotationally resolved one-photon ionization cross sections. From the fit we obtain an accurate ionization potential for O2 (97348±2 cm-1), as well as evidence that the outgoing l=3 continuum channel is important in the threshold ionization of O2.

AB - A delayed, pulsed field ionization technique is used in combination with a high-resolution VUV radiation source to measure the rotational structure associated with the X̃2Πg←X3Σg- (0, 0) ionizing transition in O2. The data have been fit to theoretical expressions derived by Buckingham, Orr and Sichel (1970) for rotationally resolved one-photon ionization cross sections. From the fit we obtain an accurate ionization potential for O2 (97348±2 cm-1), as well as evidence that the outgoing l=3 continuum channel is important in the threshold ionization of O2.

UR - https://www.scopus.com/pages/publications/0000843127

U2 - 10.1016/0009-2614(89)85005-5

DO - 10.1016/0009-2614(89)85005-5

M3 - Article

SN - 0009-2614

VL - 164

SP - 137

EP - 142

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 2-3

ER -

Rotationally resolved photoionization of O₂⁺ near threshold

Abstract

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