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Strong evidence for ZZ production in pp̄ collisions at s=1.96TeV

Abstract:

We report the first evidence of Z boson pair production at a hadron collider with a significance exceeding 4 standard deviations. This result is based on a data sample corresponding to 1.9fb-1 of integrated luminosity from pp̄ collisions at s=1.96TeV collected with the Collider Detector at Fermilab II detector. In the ′ ′ channel, we observe three ZZ candidates with an expected background of 0.096-0.063+0.092 events. In the νν channel, we use a leading-order calculation of the relative ZZ and...

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Journal:
Physical Review Letters
Volume:
100
Issue:
20
Publication date:
2008-05-22
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:acd28e34-4f94-4a89-836c-1d0198db9a1c
Source identifiers:
117323
Local pid:
pubs:117323
Language:
English

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