Acciarri, M. ; Achard, P. ; Adriani, O. ; Aguilar-Benitez, M. ; Gurtu, A. ; et., al (1999) Study of Z boson pair production in e+e− collisions at LEP at √s=189 GeV Physics Letters B, 465 (1-4). pp. 363-375. 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(99)01065-5
Abstract
The pair production of Z bosons is studied using the data collected by the L3 detector at LEP in 1998 in e+e− collisions at a centre-of-mass energy of 189 GeV. All the visible final states are considered and the cross section of this process is measured to be 0.74+0.15−0.14(stat.) ±0.04(syst.) pb. Final states containing b quarks are enhanced by a dedicated selection and their production cross section is found to be 0.18+0.09−0.07(stat.) ±0.02(syst.). Both results are in agreement with the Standard Model predictions. Limits on anomalous couplings between neutral gauge bosons are derived from these measurements.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 83553 |
| Deposited On: | 21 Feb 2012 12:51 |
| Last Modified: | 21 Feb 2012 12:51 |
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