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Vacuum Structure in Intense Fields (Paperback, Softcover reprint of the original 1st ed. 1991)
Loot Price: R1,549
Discovery Miles 15 490
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Vacuum Structure in Intense Fields (Paperback, Softcover reprint of the original 1st ed. 1991)
Series: NATO Science Series B:, 255
Expected to ship within 10 - 15 working days
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This Advanced Study Institute (ASI) brought together two distinct
."schools of approach" to Quantum Electrodynamics (QED) in the
presence of intense, external, electromagnetic fields, in an effort
to lay a joint foundation for a needed theoretical explanation of
the sharp e+ e- "resonances" observed in the scattering of very
heavy IOns. These (GSI/Darmstadt) experiments, whose history,
latest reconfirmations, and most recent data were presented in
three opening sessions (Bokemeyer, Koenig), show a smooth
background of positron (e+) production, as a function of e+ kinetic
energy. Superimposed upon this background are four very sharp
peaks, of narrow widths ( 30 KeV) and of clear experimental
significance ('" 5 standard deviations). Most ofthese peaks
correspond to sharp, essentially back-to-back electron-positron
emission in the ions' center of mass. Following the approach of
"supercritical" potential theory (SPT), where the total ionic
charge unit Z satisfies Z > 137, it has been possible to provide
a detailed and apparently correct understanding of the smooth e+ e-
background; a coherent description of different facets of this
approach, emphasizing the nature of the charged, supercritical
vacuum, was described by the authors responsible for the invention
of SPT (Greiner, Muller, Rafelski). In addition, predictions for
related phenomena were outlined by other lecturers using the SPT
approach (Bawin, Soff, SsJrensen)."
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