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>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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Author:Gerhard SoffGND, Joachim ReinhardtGND, Berndt MüllerORCiDGND, Walter GreinerGND
Parent Title (German):Physical review letters
Document Type:Article
Date of Publication (online):2006/06/28
Year of first Publication:1977
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2006/06/28
Page Number:4
First Page:592
Last Page:595
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht