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:
Journal Article
Journal or Publication Title:
Zeitschrift für Physik C Particles and Fields
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3101
Subjects:
ID Code:
64049
Deposited By:
Deposited On:
09 May 2013 14:47
Refereed?:
Yes
Published?:
Published
Last Modified:
11 Mar 2020 03:52