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Search for ZZ and Zγ* production in pp̄ collisions at s=1.96TeV and limits on anomalous ZZZ and ZZγ* couplings

Abstract:

We present a study of μμμμ, eeee, and μμee events using 1fb-1 of data collected with the D0 detector at the Fermilab Tevatron pp̄ Collider at s=1.96TeV. Requiring the lepton pair masses to be greater than 30 GeV, we observe one event, consistent with the expected background of 0.13±0.03 events and with the predicted standard model ZZ and Zγ* production of 1.71±0.15 events. We set an upper limit on the ZZ and Zγ* cross section of 4.4 pb at the 95% C.L. We also derive limits on anomalous neutra...

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Journal:
Physical Review Letters
Volume:
100
Issue:
13
Publication date:
2008-04-02
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:95e60c21-1bb5-41a4-b6d7-5afe372f0a81
Source identifiers:
103483
Local pid:
pubs:103483
Language:
English

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