Theory of Positron Creation in Supercritical Quasimolecules
作者： U. Müller , J. Reinhardt , T. Reus , P. Schlüter , G. Soff
DOI: 10.1007/978-1-4899-2139-0_9
关键词: Pair production 、 Positron 、 Coulomb barrier 、 Atomic physics 、 Physics 、 Electromagnetic field 、 Charge number 、 Supercritical fluid 、 Field (physics) 、 Electron
摘要: Collisions of very heavy ions at energies close to the Coulomb barrier are discussed as a unique tool study behaviour electron-positron field in presence strong external electromagnetic fields. Theoretical predictions for positron production rates compared with experimental results. Emphasize is laid on effects due nuclear time delay and influence electron screening both sub- supercritical collision systems. Internal pair from electric monopole transitions investigated atoms charge number up Z ≃ 170.
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