sin 2 θ eff lept and MW(indirect) extracted from 9 fb-1 μ+μ- event sample at CDF
Journal Article
·
· Nuclear and Particle Physics Proceedings
- Univ. of Rochester, Rochester, NY (United States)
Here, we report on the extraction of $$\sin^2\theta^{\rm lept}_{\rm eff}$$ and indirect measurement of the mass of the W boson from the forward-backward asymmetry of $$\mu^+\mu^-$$ events in the $$Z$$ boson mass region. The data sample collected by the CDF detector corresponds to the full 9 fb$$^{-1}$$ run II sample. We measure $$\sin^2 \theta^{\rm lept}_{\rm eff} = 0.2315 \pm 0.0010$$, $$ \sin^2 \theta_W = 0.2233 \pm 0.0009$$ and $$M_W ({\rm indirect}) = 80.365 \pm 0.047 \;{\rm GeV}/c^2$$, where each uncertainty includes both statistical and systematic contributions. Comparison with the results of the D0 collaboration are presented.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- CDF Collaboration
- Grant/Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1327269
- Report Number(s):
- FERMILAB-CONF-14-355-E; arXiv:1411.5549; 1328959
- Journal Information:
- Nuclear and Particle Physics Proceedings, Vol. 273-275, Issue C; Conference: 37th International Conference on High Energy Physics, Valencia (Spain), 2-9 Jul 2014; ISSN 2405-6014
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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