Multiplicity distribution of electron-positron pairs created by strong external fields

We discuss the multiplicity distribution of electron-positron pairs created in the strong electromagnetic fields of ultrarelativistic heavy-ion transits. Based on nonperturbative expressions for the N-pair creation amplitudes, the Poisson distribution is derived by neglecting interference terms. The source of unitarity violation is identified in the vacuum-to-vacuum amplitude, and a perturbative expression for the mean number of pairs is given.

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Metadaten
Author:Christoph Best, Walter Greiner, Gerhard Soff
URN:urn:nbn:de:hebis:30-29879
Document Type:Article
Language:English
Date of Publication (online):11.07.2006
Year of first Publication:1992
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Source:Phys. Rev. A 46, 261~V269 (1992), ©1992 The American Physical Society, http://link.aps.org/abstract/PRA/v46/p261
HeBIS PPN:190090731
Institutes:Physik
Dewey Decimal Classification:530 Physik
PACS-Classification:34.10.+x General theories and models of atomic and molecular collisions and interactions (including statistical theories, transition state, stochastic and trajectory models, etc.)
34.90.+q Other topics in atomic and molecular collision processes and interactions (restricted to new topics in section 34)
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen ohne Print on Demand

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