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Search for exclusive Z-boson production and observation of high-mass pp[over ]-->pgammagammap[over ]-->pl;{+}l;{-}p[over ] events in pp[over ] collisions at sqrt[s]=1.96 TeV.

Abstract:

This Letter presents a search for exclusive Z boson production in proton-antiproton collisions at sqrt[s]=1.96 TeV, using the CDF II detector. No exclusive Z-->l;{+}l;{-} candidates are observed and the first upper limit on the exclusive Z cross section in hadron collisions is found to be sigma_{excl}(Z)<0.96 pb at 95% confidence level. In addition, eight candidate exclusive dilepton events from the process pp[over ]-->pgammagammap[over ]-->pl;{+}l;{-}p[over ] are observed, and a ...

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Authors


Aaltonen, T More by this author
Adelman, J More by this author
Akimoto, T More by this author
Albrow, MG More by this author
Alvarez González, B More by this author
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Journal:
Physical review letters
Volume:
102
Issue:
22
Pages:
222002
Publication date:
2009-06-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:7efcb49c-38c7-4251-8d1e-6825296fccfc
Source identifiers:
124773
Local pid:
pubs:124773
Language:
English
Keywords:

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