Journal article
Measurement of αs from jet rates in deep inelastic scattering at HERA
Physics letters. B, Vol.363(3), pp.201-216
1995
DOI: 10.1016/0370-2693(95)01284-W
Abstract
Jet production in deep inelastic scattering for 120 < Q2< 3600 GeV2has been studied using data from an integrated luminosity of 3.2 pb-1collected with the ZEUS detector at HERA. Jets are identified with the JADE algorithm. A cut on the angular distribution of parton emission in the γ*-parton centre-of-mass system minimises the experimental and theoretical uncertainties in the determination of the jet rates. The jet rates, when compared to O(αs2) perturbative QCD calculations, allow a precise determination of αs(Q) in three Q2-intervals. The values are consistent with a running of ifαs(Q), as expected from QCD. Extrapolating to Q = MZ0αs(MZ0) = 0.117 ± 0.005 (stat)-0.005+0.004(systexp) ± 0.007 (systtheory).
Details
- Title: Subtitle
- Measurement of αs from jet rates in deep inelastic scattering at HERA
- Creators
- ZEUS CollaborationJ. Repond (Contributor)U. Mallik (Contributor)E. McCliment (Contributor)
- Resource Type
- Journal article
- Publication Details
- Physics letters. B, Vol.363(3), pp.201-216
- Publisher
- Elsevier B.V
- DOI
- 10.1016/0370-2693(95)01284-W
- ISSN
- 0370-2693
- eISSN
- 1873-2445
- Language
- English
- Date published
- 1995
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984627316102771
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