PRECISION TEST OF QED BY DIRECT COMPARISON OF E+E--]GAMMA-GAMMA AND E+E-]E+E-AT 29 GEV

The ratio of differential cross sections for the reactions e+e- → γγ and e+e- → e+e- is measured at s = 29 GeV in the central polar angle region, |cos θ| < 0.55, and compared to the same ratio calculated by QED to order α3. The ratio of these ratios, integrated over this angular region, is 1....

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Bibliographic Details
Main Authors:	Derrick, M, Gan, K, Kooijman, P, Loos, J, Musgrave, B, Price, L, Schlereth, J, Sugano, K, Weiss, J, Wood, D, Blockus, D, Brabson, B, Gray, S, Jung, C, Neal, H, Ogren, H, Rust, D, Valdatanappi, M, Akerlof, C, Bonvicini, G, Chapman, J, Errede, D, Harnew, N, Kesten, P, Meyer, D
Format:	Journal article
Language:	English
Published:	1986

PRECISION TEST OF QED BY DIRECT COMPARISON OF E+E--]GAMMA-GAMMA AND E+E-]E+E-AT 29 GEV

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