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Measurement of the angular distribution of electrons from −→Weν decays observed in p¯p collisions at √s=1.8 TeV

DØ collaboration (2001) Measurement of the angular distribution of electrons from −→Weν decays observed in p¯p collisions at √s=1.8 TeV. Physical Review D, 63, [072001].

Record type: Article

Abstract

We present the first measurement of the electron angular distribution parameter α2 in −→Weν events produced in proton-antiproton collisions as a function of the W boson transverse momentum. Our analysis is based on data collected using the DØ detector during the 1994–1995 Fermilab Tevatron run. We compare our results with next-to-leading order perturbative QCD, which predicts an angular distribution of (1±α1cosθ*+α2cos2θ*), where θ* is the polar angle of the electron in the Collins-Soper frame. In the presence of QCD corrections, the parameters α1 and α2 become functions of pWT, the W boson transverse momentum. This measurement provides a test of next-to-leading order QCD corrections which are a non-negligible contribution to the W boson mass measurement.

Full text not available from this repository.

Published date: 5 March 2001
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 411382
URI: http://eprints.soton.ac.uk/id/eprint/411382
ISSN: 2470-0010
PURE UUID: 0e2a44f4-d79d-4164-8995-97cfdbc00182
ORCID for Alexander Belyaev: orcid.org/0000-0002-1733-4408

Catalogue record

Date deposited: 19 Jun 2017 16:31

Contributors

Author: B. Abbott
Corporate Author: DØ collaboration