Induced Decay of the Neutral Vaccum in Overcritical Fields Occurring in Heavy-Ion Collisions
作者： Kent Smith , Heinrich Peitz , Berndt Müller , Walter Greiner
DOI: 10.1103/PHYSREVLETT.32.554
关键词: Continuum (set theory) 、 Physics 、 Nuclear physics 、 Electron pair 、 Atomic physics 、 Heavy ion 、 Spectrum (functional analysis) 、 Positron
摘要: In critical or nearly heavy-ion collisions, induced as well spontaneous energyless ${e}^{\ensuremath{-}}{e}^{+}$ pair creation result in the decay of neutral vacuum. Induced transitions from negative-energy continuum into a vacant molecular $1s$ level can occur even absence diving and produce substantial enhancement broadening previously considered positron spectrum. Total cross sections 5 b have been calculated for U-U collisions.
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