Z' search in e(+)e(-) annihilation

被引:19
|
作者
Leike, A [1 ]
Riemann, S [1 ]
机构
[1] DESY,INST HOCHENERGIEPHYS,D-15738 ZEUTHEN,GERMANY
来源
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D O I
10.1007/s002880050477
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
Expectations for constraints on extra Z bosons are derived for LEP 2 and future linear e(+)e(-) colliders. For typical GUTs, a Z' with M-Z' less than or equal to 3 to 6 root s may cause observable effects. The Z' discovery limits are dominated by statistical errors. However, if a Z' signal is observed, the discrimination between different models becomes much worse if systematic errors are taken into account. Discrimination between models is possible for M-Z' < 3 root s. A determination of Z'f (f) over bar couplings independently of models becomes attractive with future colliders. Anticipated bounds are determined.
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页码:341 / 348
页数:8
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