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Elsevier, Physics Letters B, 1-2(475), p. 198-205, 2000

DOI: 10.1016/s0370-2693(00)00082-4

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Hard-photon production and tests of QED at LEP

Journal article published in 2000 by M. Acciarri, P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M. G. Alviggi, G. Ambrosi, H. Anderhub, V. P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Data provided by SHERPA/RoMEO

Abstract

The total and differential cross sections of the process e+e−→nγ with n≥2 are measured using data collected by the L3 experiment at centre-of-mass energies of and . The results are in agreement with the Standard Model expectations. Limits are set on deviations from QED, contact interaction cut-off parameters and masses of excited electrons.