Shakeoff of the vacuum polarization in quasimolecular collisions of very heavy ions

The theory of direct electron-positron pair production in the collision of heavy ions is formulated in the framework of the quasimolecular model. The pair production process acquires a collective nature for (Z1+Z2)α
The theory of direct electron-positron pair production in the collision of heavy ions is formulated in the framework of the quasimolecular model. The pair production process acquires a collective nature for (Z1+Z2)α>1 and can be understood as the shakeoff of the strong vacuum polarization cloud formed in the quasimolecule. The total cross section is, e.g., 76 μb for Pb + Pb at Coulomb barrier energies.
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Metadaten
Author:Gerhard Soff, Joachim Reinhardt, Berndt Müller, Walter Greiner
URN:urn:nbn:de:hebis:30-28964
Document Type:Article
Language:English
Date of Publication (online):2006/06/28
Year of first Publication:1977
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2006/06/28
Source:Phys. Rev. Lett. 38, 592 - 595 (1977), ©1977 The American Physical Society, http://link.aps.org/abstract/PRL/v38/p592
HeBIS PPN:187210373
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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