Bounds on g5
Z from precision LEP measurements

S. Dawson; G. Valencia

doi:10.1016/0370-2693(94)91031-6

Bounds on g5 Z from precision LEP measurements

S. Dawson, G. Valencia

Research output: Contribution to journal › Article › Research › peer-review

15 Citations (Scopus)

Abstract

The parity violating but CP conserving anomalous three-gauge-boson coupling g₅ ^Z lnduces a universal contribution to the left-handed coupling of the Z boson to fermions. We find that the LEP measurements of the partial Z widths and lepton forward-backward asymmetries are sufficiently precise to place a bound of order |g₅ ^Z| less than ∼4%. This bound is significantly better than what can be obtained at present from rare K and B meson decays.

Original language	English
Pages (from-to)	207-211
Number of pages	5
Journal	Physics Letters B
Volume	333
Issue number	1-2
DOIs	https://doi.org/10.1016/0370-2693(94)91031-6
Publication status	Published - 28 Jul 1994
Externally published	Yes

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10.1016/0370-2693(94)91031-6

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Cite this

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title = "Bounds on g5 Z from precision LEP measurements",

abstract = "The parity violating but CP conserving anomalous three-gauge-boson coupling g5 Z lnduces a universal contribution to the left-handed coupling of the Z boson to fermions. We find that the LEP measurements of the partial Z widths and lepton forward-backward asymmetries are sufficiently precise to place a bound of order |g5 Z| less than ∼4%. This bound is significantly better than what can be obtained at present from rare K and B meson decays.",

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AB - The parity violating but CP conserving anomalous three-gauge-boson coupling g5 Z lnduces a universal contribution to the left-handed coupling of the Z boson to fermions. We find that the LEP measurements of the partial Z widths and lepton forward-backward asymmetries are sufficiently precise to place a bound of order |g5 Z| less than ∼4%. This bound is significantly better than what can be obtained at present from rare K and B meson decays.

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