Adeva, B. ; Adriani, O. ; Aguilar-Benitez, M. ; Gurtu, A. ; et., al (1990) Measurement of gA and gv, the neutral current coupling constants to leptons Physics Letters B, 236 (1). pp. 109-115. ISSN 0370-2693
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0370-2693(90)90603-4
Abstract
We have measured both the rates and the forward-backward asymmetry of ℓ+ℓ− from Z0→ℓ+ℓ− (where ℓ=μ , τ) with the L3 detector. We obtained γℓℓ=88± 4±3 MeV and the vector neutral current coupling constant, gv=0.00±0.07 and the axial vector neutral current coupling constant, gA=-0.515±0.015.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 83634 |
| Deposited On: | 21 Feb 2012 14:47 |
| Last Modified: | 21 Feb 2012 14:47 |
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