Abstract
We have measured the resonance parameters of the Z boson using 480 Hadronic and Leptonic Z decays collected by the Mark II Detector at the Stanford Linear Collider. We find the Mass to be 91.14±0.12 GeV/c2, and width to be 2.42-0.35+0.45 GeV. If we constrain the visible width to its Standard Model value, we find a partial width to invisible decay modes corresponding to 2.8±0.6 nèutrino species with a 95% confidence level limit of 3.9.
| Original language | English |
|---|---|
| Pages (from-to) | 201-204 |
| Number of pages | 4 |
| Journal | Nuclear Physics B - Proceedings Supplements |
| Volume | 16 |
| Issue number | C |
| DOIs | |
| Publication status | Published - 1990 |
| Externally published | Yes |
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