Spectra of light emitted during slow ion-atom collisions

Herbert F.M. DaCosta; David A. Micha; Keith Runge

doi:10.1103/PhysRevA.56.R3334

Spectra of light emitted during slow ion-atom collisions

Herbert F.M. DaCosta, David A. Micha, Keith Runge

Materials Science and Engineering

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

Abstract

We study the spectra of light emitted during slow ion-atom collisions due to repeated electron transfer during the interactions, using the power radiated per unit solid angle by the diatomic time-dependent dipole. We present results relevant to experiments where the emitted light would be collected from all collisions, irrespective of their deflection angle or impact parameter. We calculate the spectra of polarized light emitted in [Formula Presented] collisions, at a projectile energy of 100 eV, integrated over impact parameters, versus the light detector angle. Emitted light frequencies are distributed over the uv and near uv ranges. We also estimate the rate of photon emission for typical experimental ion and atom densities.

Original language	English (US)
Pages (from-to)	R3334-R3337
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	56
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevA.56.R3334
State	Published - 1997

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.56.R3334

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abstract = "We study the spectra of light emitted during slow ion-atom collisions due to repeated electron transfer during the interactions, using the power radiated per unit solid angle by the diatomic time-dependent dipole. We present results relevant to experiments where the emitted light would be collected from all collisions, irrespective of their deflection angle or impact parameter. We calculate the spectra of polarized light emitted in [Formula Presented] collisions, at a projectile energy of 100 eV, integrated over impact parameters, versus the light detector angle. Emitted light frequencies are distributed over the uv and near uv ranges. We also estimate the rate of photon emission for typical experimental ion and atom densities.",

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AU - DaCosta, Herbert F.M.

AU - Micha, David A.

AU - Runge, Keith

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AB - We study the spectra of light emitted during slow ion-atom collisions due to repeated electron transfer during the interactions, using the power radiated per unit solid angle by the diatomic time-dependent dipole. We present results relevant to experiments where the emitted light would be collected from all collisions, irrespective of their deflection angle or impact parameter. We calculate the spectra of polarized light emitted in [Formula Presented] collisions, at a projectile energy of 100 eV, integrated over impact parameters, versus the light detector angle. Emitted light frequencies are distributed over the uv and near uv ranges. We also estimate the rate of photon emission for typical experimental ion and atom densities.

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Spectra of light emitted during slow ion-atom collisions

Abstract

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