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:
Journal Article
Journal or Publication Title:
Physics Letters B
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
64088
Deposited By:
Deposited On:
08 May 2013 15:45
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 08:27