Z → bb̄ and Z → cc̄ as tests of the standard model and the mass of the Higgs Boson

Autor: Mark A. Samuel
Rok vydání: 1997
Předmět:
Zdroj: Nuclear Physics B - Proceedings Supplements. 55:184-187
ISSN: 0920-5632
DOI: 10.1016/s0920-5632(97)00172-2
Popis: We consider the decays Z → bb and Z → cc as tests of the Standard Model (SM). We find that R b = 0.2145 and R c = 0.1719. Comparing with recent experimental measurements, we find that R b exp is too high by only (1.4 σ) and R c exp is too low by only (0.1 σ).
Databáze: OpenAIRE