Positron annihilation in large polyatomic molecules. The role of vibrational Feshbach resonances and binding

G. F. Gribakin; C. M. R. Lee

doi:10.1140/epjd/e2008-00188-9

Positron annihilation in large polyatomic molecules. The role of vibrational Feshbach resonances and binding

G. F. Gribakin, C. M. R. Lee

School of Mathematics and Physics

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24 Citations (Scopus)

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Abstract

We analyse the process of rapid positron annihilation in large polyatomic molecules due to positron capture into vibrational Feshbach resonances. Resonant annihilation occurs in molecules which can bind positrons, and we analyse positron binding to alkanes using zero-range potentials. Related questions of spectra of annihilation gamma quanta and molecular fragmentation following annihilation, are discussed briefly.

Original language	English
Pages (from-to)	51-61
Number of pages	11
Journal	European Physical Journal D
Volume	51
Issue number	1
Early online date	03 Oct 2008
DOIs	https://doi.org/10.1140/epjd/e2008-00188-9
Publication status	Published - 02 Jan 2009

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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Positron annihilation in large polyatomic molecules. The role of vibrational Feshbach resonances and binding
Copyright 2008 Springer. This work is made available online in accordance with the publisher’s policies. Please refer to any applicable terms of use of the publisher.
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abstract = "We analyse the process of rapid positron annihilation in large polyatomic molecules due to positron capture into vibrational Feshbach resonances. Resonant annihilation occurs in molecules which can bind positrons, and we analyse positron binding to alkanes using zero-range potentials. Related questions of spectra of annihilation gamma quanta and molecular fragmentation following annihilation, are discussed briefly.",

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AB - We analyse the process of rapid positron annihilation in large polyatomic molecules due to positron capture into vibrational Feshbach resonances. Resonant annihilation occurs in molecules which can bind positrons, and we analyse positron binding to alkanes using zero-range potentials. Related questions of spectra of annihilation gamma quanta and molecular fragmentation following annihilation, are discussed briefly.

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DO - 10.1140/epjd/e2008-00188-9

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JO - European Physical Journal D

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Positron annihilation in large polyatomic molecules. The role of vibrational Feshbach resonances and binding

Abstract

ASJC Scopus subject areas

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