In view of a quantum electrodynamics test, a "double" free-electron laser configuration is proposed. The device is conceived in order to produce two laser beams in the same cavity by two counterpropagating electron beams. The latter are in turn exploited to produce gamma photons by backward Compton scattering of the intracavity FEL radiation itself. The collision rate of the backscattered photons is investigated in some detail in the low-energy region for the photon-photon cross section as well as at the relevant peak.



Titolo: A double FEL oscillator for photon-photon collisions
Autori: 
MILOTTI, EDOARDO
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Data di pubblicazione: 2013
Rivista: 
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA. B, OPTICAL PHYSICS  
Abstract: In view of a quantum electrodynamics test, a "double" free-electron laser configuration is proposed. The device is conceived in order to produce two laser beams in the same cavity by two counterpropagating electron beams. The latter are in turn exploited to produce gamma photons by backward Compton scattering of the intracavity FEL radiation itself. The collision rate of the backscattered photons is investigated in some detail in the low-energy region for the photon-photon cross section as well as at the relevant peak.
Handle: http://hdl.handle.net/11368/2706644
Digital Object Identifier (DOI): 10.1364/JOSAB.30.002906
URL: http://dx.doi.org/10.1364/JOSAB.30.002906
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