Recent Advances in Electron-Electron Coincidence Experiments

Stefani, Giovanni

doi:10.1007/978-1-4615-4721-1_2

Cited by 4 publications

(2 citation statements)

References 29 publications

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“…In this letter, the fine details of atomic electron correlation are investigated through transferionization collisions. Information on correlation of target electrons from differential cross sections of single ionization, such as photo-ionization, Compton scattering or (e, 2e) ( Åberg 1976, Bergstrom et al 1993, Whelan 1999, Stefani 1999) is readily available. In recent times it has become clear that much detailed information on correlated target states can be found by studying double electron transitions.…”

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confidence: 99%

Fully differential cross sections for transfer ionization—a sensitive probe of high level correlation effects in atoms

Godunov¹,

Whelan²,

Walters³

2004

J. Phys. B: At. Mol. Opt. Phys.

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The transfer ionization process offers a unique opportunity to study radial and angular electron correlations in the helium atom. We report calculations for the multiple differential cross sections of the transfer ionization process p + He → H + He ++ + e −. The results of these calculations demonstrate the strong sensitivity of the fully differential cross sections to fine details of electron correlation in the target atom. Specifically, angular electron correlation in the ground state of helium results in a broad peak in the electron emission spectra in the backward direction, relative to the incoming beam. Our model explains some of the key effects observed in measurements of multiple differential cross sections using the COLTRIMS technique.

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confidence: 99%

Fully differential cross sections for transfer ionization—a sensitive probe of high level correlation effects in atoms

Godunov¹,

Whelan²,

Walters³

2004

J. Phys. B: At. Mol. Opt. Phys.

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“…In a similar way AR-APECS is expected to add an important level of discrimination to the APECS technique. This capability has been extensively applied to investigate atoms and molecules in the gas phase, and the extra discrimination originated by resolving in angle, the electron pair probability distribution, has given access to fine details of the core ionization dynamics such as core state polarization, post collisional electron-electron interaction, and quantum interference between continuum final states [1]. The main goal of the present chapter is to show that a similar level of discrimination can also be achieved in solids.…”

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confidence: 94%