Acciarri, M. ; Adriani, O. ; Aguilar-Benitez, M. ; Gurtu, A. ; et., al (1998) QCD results from studies of hadronic events produced in e+e- annihilations at √s= 183 GeV Physics Letters B, 444 (3-4). pp. 569-582. 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(98)01404-X
Abstract
We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at a centre-of-mass energy of 183 GeV. The data sample corresponds to an integrated luminosity of 55.3 pb−1. The distributions of event shape variables and the energy dependence of their mean values are measured. From a comparison with resummed View the MathML source(αs2) QCD calculations, we determine the strong coupling constant αs (183 GeV) = 0.1086 ± 0.0026 (exp) ± 0.0054 (th). The charged particle multiplicity distribution and momentum spectrum are studied and the energy dependence of the peak position of the ξ(=-lnxp) distribution is compared with lower energy measurements and QCD expectations.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 83546 |
| Deposited On: | 21 Feb 2012 12:51 |
| Last Modified: | 21 Feb 2012 12:51 |
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