Search for Z' ---> e+ e- using dielectron mass and angular distribution
Journal Article
·
· Phys.Rev.Lett.96:211801,2006
The authors search Z{prime} bosons in dielectron events produced in p{bar p} collisions at {radical}s = 1.96 TeV, using a 0.45 fb{sup -1} dataset accumulated with the CDF II detector at the Fermilab Tevatron. To identify the Z{prime} {yields} e{sup +}e{sup -} signal, both the dielectron invariant mass distribution and the angular distribution of the electron pair are used. No evidence of a signal is found, and 95% confidence level lower limits are set on the Z{prime} mass for several models. Limits are also placed on the mass and gauge coupling of a generic Z{prime}, as well as on the contact interaction mass scales for different helicity structure scenarios.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 892444
- Report Number(s):
- FERMILAB-PUB-06-038-E; arXiv eprint number hep-ex/0602045; TRN: US0701552
- Journal Information:
- Phys.Rev.Lett.96:211801,2006, Journal Name: Phys.Rev.Lett.96:211801,2006
- Country of Publication:
- United States
- Language:
- English
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