The back-to-back region in \(e^{+}e^{ - }\) energy--energy correlation

DOI10.1016/J.NUCLPHYSB.2004.10.051zbMATH Open1119.81404arXivhep-ph/0407241OpenAlexW2168045596WikidataQ59315065 ScholiaQ59315065MaRDI QIDQ874530

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Publication date: 10 April 2007

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Abstract: We consider the back-to-back region in the energy--energy correlation in e^+e^- collisions. We present the explicit expression of the O(as^2) logarithmically enhanced contributions up to next-to-next-to-leading logarithmic accuracy. We study the impact of the results in a detailed comparison with precise LEP and SLC data. We find that, when hadronization effects are taken into account as is customarily done in QCD analysis in e^+e^- annihilations, the extracted value of as(M_Z) is in good agreement with the current world average.

Full work available at URL: https://arxiv.org/abs/hep-ph/0407241

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