Long-lived parent negative ions in p-benzoquinone formed by electron capture in the field of the ground and excited states

L. G. Christophorou; J. G. Carter; A. A. Christodoulides

doi:10.1016/0009-2614(69)80037-0

Long-lived parent negative ions in p-benzoquinone formed by electron capture in the field of the ground and excited states

L. G. Christophorou, J. G. Carter, A. A. Christodoulides

Sensors and Electronics

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Abstract

Two separate processes for nondissociative electron attachment to p-benzoquinone have been observed: the first peaks at thermal energies and the second, qhich is much stronger, peaks at 2.1 eV. The second process has a peak cross section of 6.7 × 10^-17 cm² and is attributed to electron capture in the field of the lowest n → π^* transition. The unstable parent negative ion at 2.1 eV has a mean autoionization lifetime of ≈ 30 μsec.

Original language	English
Pages (from-to)	237-240
Number of pages	4
Journal	Chemical Physics Letters
Volume	3
Issue number	4
DOIs	https://doi.org/10.1016/0009-2614(69)80037-0
State	Published - Apr 1969

Funding

$ Research sponsored by the U. S. Atomic Energy Commission under contract with Union Carbide

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title = "Long-lived parent negative ions in p-benzoquinone formed by electron capture in the field of the ground and excited states",

abstract = "Two separate processes for nondissociative electron attachment to p-benzoquinone have been observed: the first peaks at thermal energies and the second, qhich is much stronger, peaks at 2.1 eV. The second process has a peak cross section of 6.7 × 10-17 cm2 and is attributed to electron capture in the field of the lowest n → π* transition. The unstable parent negative ion at 2.1 eV has a mean autoionization lifetime of ≈ 30 μsec.",

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AU - Christophorou, L. G.

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AU - Christodoulides, A. A.

PY - 1969/4

Y1 - 1969/4

N2 - Two separate processes for nondissociative electron attachment to p-benzoquinone have been observed: the first peaks at thermal energies and the second, qhich is much stronger, peaks at 2.1 eV. The second process has a peak cross section of 6.7 × 10-17 cm2 and is attributed to electron capture in the field of the lowest n → π* transition. The unstable parent negative ion at 2.1 eV has a mean autoionization lifetime of ≈ 30 μsec.

AB - Two separate processes for nondissociative electron attachment to p-benzoquinone have been observed: the first peaks at thermal energies and the second, qhich is much stronger, peaks at 2.1 eV. The second process has a peak cross section of 6.7 × 10-17 cm2 and is attributed to electron capture in the field of the lowest n → π* transition. The unstable parent negative ion at 2.1 eV has a mean autoionization lifetime of ≈ 30 μsec.

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ER -

Long-lived parent negative ions in p-benzoquinone formed by electron capture in the field of the ground and excited states

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