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EnglishDijet production has been studied in neutral current Deep Inelastic ep Scattering for 470 < Q(2) < 20000 GeV2 with the ZEUS detector at HERA using 38 pb(-1). The jet search is performed in the Breit frame using the longitudinally invariant KI-cluster algorithm. Dijet differential cross sections and rates have been measured in a kinematic region where both theoretical and experimental uncertainties are small. NLO QCD calculations describe in shape and magnitude the measured, differential cross sections. A QCD fit to the dijet rate as a function of Q(2) allows a precise determination of the strong coupling constant.
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| Titolo: | Measurement of differential cross sections for dijet production in neutral current DIS at high Q(2) and determination of alpha(s) | |
| Autori: | ||
| Data di pubblicazione: | 1999 | |
| Rivista: | ||
| Abstract: | Dijet production has been studied in neutral current Deep Inelastic ep Scattering for 470 < Q(2) < 20000 GeV2 with the ZEUS detector at HERA using 38 pb(-1). The jet search is performed in the Breit frame using the longitudinally invariant KI-cluster algorithm. Dijet differential cross sections and rates have been measured in a kinematic region where both theoretical and experimental uncertainties are small. NLO QCD calculations describe in shape and magnitude the measured, differential cross sections. A QCD fit to the dijet rate as a function of Q(2) allows a precise determination of the strong coupling constant. | |
| Handle: | http://hdl.handle.net/20.500.11770/135085 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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