Banerjee, Sunanda ; Bhattacharyya, Gautam ; Roy, Probir (1992) Oblique electroweak corrections and new physics Physical Review D, 45 (3). R729-R733. ISSN 0556-2821
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Official URL: http://prd.aps.org/abstract/PRD/v45/i3/pR729_1
Related URL: http://dx.doi.org/10.1103/PhysRevD.45.R729
Abstract
Oblique electroweak parameters S˜, T˜, and Ũ, defined so as to be nonvanishing only for physics beyond the standard model, are determined by direct use of high-statistics data from the CERN e+e- collider LEP at different energy points around the Z peak. Additional information from related electroweak measurements are used as constraints. The results are S˜=-0.76±0.71, T˜=-0.70±0.49, and Ũ=-0.11±1.07. The consequent restrictions on extra fermion generations and an extra neutral gauge boson are discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 20780 |
| Deposited On: | 20 Nov 2010 13:34 |
| Last Modified: | 12 Jan 2011 06:08 |
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