Hallo Timm,
Zitat:
Zitat von Timm
Dein Link ist interessant, er trifft allerdings nicht die Fragestellung, es geht darin um Compton-Streuprozesse, SCR.
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Zitat:
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Zitat von McDonald - Positron production by laser light
A signal of 106 14 positrons above background has been observed in collisions of a low-emittance 46.6-GeV electron beam with terawatt pulses from a Nd:glass laser at 527 nm wavelengths in an experiment at the Final Focus Test Beam at SLAC.
The positrons are interpreted as arising from a two-step process in which laser photons are backscattered to GeV energies by the electron beam, followed by a collision between the high-energy photon and several laser photons to produce an electron-positron pair.
These results are the first laboratory evidence for inelastic light-by-light scattering involving only real photons.
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Da muß ich mich wohl getäuscht haben - Mein Englisch ist halt auch schon etwas eingerostet. Ich dachte da steht was anderes.
