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Observation of monojet events and tentative interpretation

Buskulic, D. and Finch, Alexander (1994) Observation of monojet events and tentative interpretation. Physics Letters B, 334 (1-2). pp. 244-252. ISSN 0370-2693

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Abstract

A data sample corresponding to almost two million hadronic Z decays collected by the ALEPH detector at LEP has been searched for monojet events. Three events were found, in agreement with the expectation from the process , with . Two events are hadronic, the third one being an e+e− pair. All monojet masses are in excess of 3 GeV/c2, and two of the event have large transverse momenta: 18.5 and 20.3 GeV/c. These kinematic characteristics are quite unlikely in the process . The probability of their occurence increases substantially when processes involving further Z or W exchanges are taken into account, but still remains at the 5% level.

Item Type: Article
Journal or Publication Title: Physics Letters B
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 64088
Deposited By: ep_importer_pure
Deposited On: 08 May 2013 16:45
Refereed?: Yes
Published?: Published
Last Modified: 30 Aug 2017 14:06
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/64088

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