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SEARCH FOR A Z' AT THE Z RESONANCE

Abstract:

The search for an additional heavy gauge boson Z′ is described. The models considered are based on either a superstring-motivated E6 or on a left-right symmetry and assume a minimal Higgs sector. Cross sections and asymmetries measured with the L3 detector in the vicinity of the Z resonance during the 1990 and 1991 running periods are used to determine limits on the Z-Z′ gauge boson mixing angle and on the Z′ mass. For Z′ masses above the direct limits, we obtain the following allowed ranges ...

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Publication status:
Published

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Authors


ADRIANI, O More by this author
AGUILARBENITEZ, M More by this author
ALCARAZ, J More by this author
ALOISIO, A More by this author
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Journal:
PHYSICS LETTERS B
Volume:
306
Issue:
1-2
Pages:
187-196
Publication date:
1993-05-27
DOI:
ISSN:
0370-2693
URN:
uuid:865c1688-b3df-45ce-b67d-06571242765c
Source identifiers:
4202
Local pid:
pubs:4202

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