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Measurement and interpretation of fermion-pair production at LEP energies of 183 and 189 GeV

Journal article published in 2000 by K. Österberg, Wim de Boer, P. Abreu, W. Adam, T. Adye, Apel Wd, P. Adzic, Z. Albrecht, T. Alderweireld, D. Yu Bardin, Gd D. Alekseev, R. Alemany, T. Allmendinger, Meyer Wt, Pp P. Allport and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

An analysis of the data collected in 1997 and 1998 with the DELPHI detector at e(+)e(-) collision energies close to 183 and 189 GeV was performed in order to extract the hadronic and leptonic fermion-pair cross-sections, as well as the leptonic forward-backward asymmetries and angular distributions. The data are used to put limit on contact interactions between fermions, the exchange of R-parity violating SUSY sneutrinos, Z' bosons and the existence of gravity in extra dimensions. (C) 2000 Published by Elsevier Science B.V.