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A search for monojet events produced by virtual Z0 bosons in e+e− annihalation at petra

Bartel, W. and Finch, Alexander (1985) A search for monojet events produced by virtual Z0 bosons in e+e− annihalation at petra. Physics Letters B, 155 (4). pp. 288-294. ISSN 0370-2693

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Abstract

A search was performed for the associated production of two different Higgs bosons via a virtual Z0 in e+e− annihilation (e+e− → h10h20) using the JADE detector at PETRA. This was motivated by the interpretation of the monojet events observed at the CERN p collider as anomalous Z0 decays into two neutral Higgs bosons (h10 and h20), where h10 is stable and escapes detection while h20 decays into hadrons. Single- or di-jet events with large momentum imbalance are then expected at PETRA energies. No evidence for such events was found in our data; this excludes h20 masses in the range of 1 to 21 GeV with 95% CL, if the branching fraction for Z0 → h10h20 is a larger than one half that for . The possibility that the monojets could originate from supersymmetric higgsino production from Z0 decay is also examined.

Item Type: Article
Journal or Publication Title: Physics Letters B
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 63853
Deposited By: ep_importer_pure
Deposited On: 01 May 2013 16:33
Refereed?: Yes
Published?: Published
Last Modified: 30 Aug 2017 14:05
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/63853

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