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journal id: "physicsxlettersxb"
| Authors | H. Abramowicz, . et al., G. Grigorescu, A. Keramidas, E. Koffeman, P. Kooijman, A. Pellegrino, H. Tiecke, M. Vázquez, L. Wiggers | | Title | Inclusive-jet cross sections in NC DIS at HERA and a comparison of the kT, anti-kT and SIScone jet algorithms |
| Journal | Physics Letters B |
| Volume | 691 |
| Year | 2010 |
| Issue | 3 |
| Pages | 127-137 |
| ISSN | 03702693 |
| Faculty | Faculty of Science |
| Institute/dept. | FNWI: Institute for High Energy Physics (IHEF) |
| Abstract | For the first time, differential inclusive-jet cross sections have been measured in neutral current deep inelastic ep scattering using the anti-k(T) and SIScone algorithms. The measurements were made for boson virtualities Q(2) > 125 GeV2 with the ZEUS detector at HERA using an integrated luminosity of 82 pb(-1) and the jets were identified in the Breit frame. The performance and suitability of the jet algorithms for their use in hadron-like reactions were investigated by comparing the measurements to those performed with the k(T) algorithm. Next-to-leading-order QCD calculations give a good description of the measurements. Measurements of the ratios of cross sections using different jet algorithms are also presented; the measured ratios are well described by calculations including up to O(alpha(3)(s)) terms. Values of alpha(s)(M-z) were extracted from the data; the results are compatible with and have similar precision to the value extracted from the kT analysis. |
| Document type | Article |
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