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Study Z gamma event...
Study Z gamma events and limits on anomalous ZZ gamma and Z gamma gamma couplings in pp(-) collisions at root s=1.96 Tev
- Article/chapterEnglish2005
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LIBRIS-ID:oai:DiVA.org:kth-37829
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-37829URI
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https://doi.org/10.1103/PhysRevLett.95.051802DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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We present a measurement of the Z gamma production cross section and limits on anomalous ZZ gamma and Z gamma gamma couplings for form-factor scales of Lambda=750 and 1000 GeV. The measurement is based on 138 (152) candidates in the ee gamma (mu mu gamma) final state using 320(290) pb(-1) of p (p) over bar collisions at root s=1.96 TeV. The 95% C.L. limits on real and imaginary parts of individual anomalous couplings are vertical bar h(10,30)(Z)vertical bar < 0.23, vertical bar h(20,40)(Z)vertical bar < 0.020, vertical bar h(10,30)(gamma)vertical bar < 0.23, and vertical bar h(20,40)(gamma)vertical bar < 0.019 for Lambda=1000 GeV.
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Åsman, Barbro
(author)
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Clément, Christophe
(author)
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Lager, Sara
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Strandberg, Jonas
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Zverev, E. G.
(author)
Related titles
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In:Physical Review Letters95:5, s. 051802-0031-90071079-7114
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