Achard, P. ; Adriani, O. ; Aguilar-Benite, M. ; Gurtu, A. ; et., al (2002) The e+e-→Zγγ→qq̅γγ reaction at LEP and constraints on anomalous quartic gauge boson couplings Physics Letters B, 540 (1-2). pp. 43-51. ISSN 0370-2693
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0370-2693(02)02127-5
Abstract
The cross section of the process e+e-→Zγγ→qq̅γγ is measured with 215 pb-1 of data collected with the L3 detector during the final LEP run at centre-of-mass energies around 205 GeV and 207 GeV. No deviation from the Standard Model expectation is observed. The full data sample of 713 pb-1, collected above the Z resonance, is used to constrain the coefficients of anomalous quartic gauge boson couplings to: -0.02GeV-2<a0/Λ2<0.03 GeV-2, -0.07 GeV-2<a0/Λ2<0.05 GeV-2 at 95% confidence level.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 84629 |
| Deposited On: | 27 Feb 2012 03:44 |
| Last Modified: | 27 Feb 2012 03:44 |
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