The Coulomb explosion of the hydrogen molecule, after absorption of a 76 eV photon, has been studied by momentum imaging the two electrons and the two protons. Absolute fully differential cross sections of high statistical quality are obtained. A subset of the overall data, namely, equal electron-energy sharing, is used to investigate the effects of molecular orientation on the photoelectron angular distribution. Departures from the first-order heliumlike model are evident in detection geometries where electronelectron correlation is ''frozen.''
Photodouble Ionization Dynamics for Fixed-in-Space H2
P Bolognesi;L Avaldi;
2006
Abstract
The Coulomb explosion of the hydrogen molecule, after absorption of a 76 eV photon, has been studied by momentum imaging the two electrons and the two protons. Absolute fully differential cross sections of high statistical quality are obtained. A subset of the overall data, namely, equal electron-energy sharing, is used to investigate the effects of molecular orientation on the photoelectron angular distribution. Departures from the first-order heliumlike model are evident in detection geometries where electronelectron correlation is ''frozen.''File in questo prodotto:
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