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Two-center interferences in dielectronic transitions in H2(+) + He collisions
S F Zhang1, D Fischer2, M Schulz3
1Institute of Modern Physics, Chinese Academy of Sciences, 730000 Lanzhou, China and Max-Planck-Institute for Nuclear Physics, Saupfercheckweg 1, D-69117 Heidelberg, Germany.
Abstract:
Molecular two-center interferences in a collision induced excitation of H2(+) projectile ions, with simultaneous ionization of helium target atoms, are investigated in a kinematically complete experiment. In the process under investigation, the helium atom is singly ionized and simultaneously the molecular hydrogen ion is dissociated. Different collision mechanisms are identified and interference fringes emerging from a correlated first-order mechanism and from an independent second-order process are observed.
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