Abazov, V. M. ; Mondal, N. K. ; et., al (2009) Measurement of trilinear gauge boson couplings from WW+WZ→lνjj events in pp‾ collisions at √s=1.96 TeV Physical Review D - Particles, Fields, Gravitation and Cosmology, 80 (5). 053012_1-053012_13. ISSN 1550-7998
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Official URL: http://prd.aps.org/abstract/PRD/v80/i5/e053012
Related URL: http://dx.doi.org/10.1103/PhysRevD.80.053012
Abstract
We present a direct measurement of trilinear gauge boson couplings at γWW and ZWW vertices in WW and WZ events produced in pp‾ collisions at √s=1.96 TeV. We consider events with one electron or muon, missing transverse energy, and at least two jets. The data were collected using the D0 detector and correspond to 1.1fb-1of integrated luminosity. Considering two different relations between the couplings at the γWW and ZWW vertices, we measure these couplings at 68% C.L. to be κγ=1.07-0.29+0.26, λ=0.00-0.06+0.06, and g1Z=1.04-0.09+0.09 in a scenario respecting SU(2)L∅U(1)Y gauge symmetry and κ=1.04-0.11+0.11and λ=0.00-0.06+0.06 in an "equal couplings" scenario.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 66919 |
| Deposited On: | 27 Oct 2011 11:42 |
| Last Modified: | 27 Oct 2011 11:42 |
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