Study of multiphoton final states and tests of QED in e+e- collisions at √s up to 209 GeV

Achard, P. ; Adriani, O. ; Aguilar-Benite, M. ; Gurtu, A. ; et., al (2002) Study of multiphoton final states and tests of QED in e+e- collisions at √s up to 209 GeV Physics Letters B, 531 (1-2). pp. 28-38. ISSN 0370-2693

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/S0370-2693(02)01339-4

Abstract

The process e+e-→nγ with n-2 is studied at centre-of-mass energies ranging from √s =192 to 209 GeV. The data sample corresponds to a total integrated luminosity of 427 pb-1. The total and differential cross sections are found to be in agreement with the QED expectations. Using all the data collected with the L3 detector above the Z pole, limits on deviations from QED, excited electrons, contact interactions, extra space dimensions and excited spin-3/2 leptons are set.

Item Type:Article
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ID Code:84624
Deposited On:27 Feb 2012 03:42
Last Modified:27 Feb 2012 03:42

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