Experimental investigation of strong field trident production
Oct 1, 201012 pages
Published in:
- Phys.Rev.D 82 (2010) 072002
- Published: Oct 6, 2010
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Abstract: (APS)
We show by experiment that an electron impinging on an electric field that is of critical magnitude in its rest frame, may produce an electron-positron pair. Our measurements address higher-order QED, using the strong electric fields obtainable along particular crystallographic directions in single crystals. For the amorphous material our data are in good agreement with theory, whereas a discrepancy with theory on the magnitude of the trident enhancement is found in the precisely aligned case where the strong electric field acts.- 12.20.Fv
- 41.75.Ht
- 41.60.-m
- electron nucleus: interaction
- electric field: high
- electron: pair production
- germanium: crystal
- crystal: alignment
- positron: momentum spectrum
- electron: momentum spectrum
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