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Four jet final state production in e+ e- collisions at center-of-mass energies of 130-GeV and 136-GeV

Buskulic, D. and Finch, Alexander (1996) Four jet final state production in e+ e- collisions at center-of-mass energies of 130-GeV and 136-GeV. Zeitschrift für Physik C Particles and Fields, 71 (1). pp. 179-197. ISSN 0170-9739

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Abstract

The four-jet final state is analyzed to search for hadronic decays of pair-produced heavy particles. The analysis uses the ALEPH data collected at LEP in November 1995 at centre-of-mass energies of 130 and 136 GeV, corresponding to a total integrated luminosity of 5.7 pb−1. An excess of four-jet events is observed with respect to the standard model predictions. In addition, these events exhibit an enhancement in the sum of the two di-jet masses around 105 GeV/c2. The properties of these events are studied and compared to the expectations from standard processes and to pair production hypotheses.

Item Type: Article
Journal or Publication Title: Zeitschrift für Physik C Particles and Fields
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 64049
Deposited By: ep_importer_pure
Deposited On: 09 May 2013 15:47
Refereed?: Yes
Published?: Published
Last Modified: 21 Nov 2017 18:32
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/64049

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