Z Boson Asymmetry Measurements at the Tevatron
Conference
·
OSTI ID:1296907
- Mississippi U.
We present measurements of the forward-backward asymmetry (A_fb) in dilepton pair decays of Z bosons produced in ppbar collisions using the full Tevatron dataset. The CDF experiment extracts a value for the effective weak mixing angle parameter sin^{2}\theta^{l}_{eff} of 0.2315 +/- 0.0010 from the A_fb distribution of dimuon events in 9.2 fb^{-1} of integrated luminosity. From dielectron events in 9.7 fb^{-1} of data, the D0 experiment finds sin^{2}\theta^{l}_{eff} = 0.23106 +/- 0.00053, the world's most precise measurement of sin^{2}\theta^{l}_{eff} from hadron colliders and with light quark couplings.
- 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; D0
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1296907
- Report Number(s):
- FERMILAB-CONF-14-311-E; arXiv:1409.0600; 1313593
- Resource Relation:
- Conference: 49th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 03/15-03/22/2014
- Country of Publication:
- United States
- Language:
- English
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