Charged Particle Production in High Q2 Deep-Inelastic Scattering at HERA
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- Aktas, A.
- Alexa, C.
- Andreev, V.
- Antunovic, B.
- Aplin, S.
- Asmone, A.
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- Feltesse, J.
- Ferencei, J.
- Finke, L.
- Fleischer, M.
- Fomenko, A.
- Franke, G.
- Frisson, T.
- Gabathuler, E.
- Gayler, J.
- Ghazaryan, Samvel
- Ginzburgskaya, S.
- Glazov, A.
- Glushkov, I.
- Goerlich, L.
- Goettlich, M.
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- Heinzelmann, G.
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- Hoffmann, D.
- Horisberger, R.
- Hovhannisyan, A.
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- Jacquet, M.
- Janssen, M.E.
- Janssen, X.
- Jemanov, V.
- Jonsson, L.
- Johnson, D.P.
- Jung, Andreas Werner
- Jung, H.
- Kapichine, M.
- Katzy, J.
- Kenyon, I.R.
- Kiesling, Christian M.
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- Kleinwort, C.
- Klimkovich, T.
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- Korbel, V.
- Kostka, P.
- Kraemer, M.
- Krastev, K.
- Kretzschmar, J.
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- Kruger, K.
- Landon, M.P.J.
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- Lastovicka-Medin, G.
- Laycock, P.
- Lebedev, A.
- Leibenguth, G.
- Lendermann, V.
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- Li, G.
- Lindfeld, L.
- Lipka, K.
- Liptaj, A.
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- List, J.
- Loktionova, N.
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- Wegener, D.
- Werner, C.
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- Wissing, Ch.
- Wolf, R.
- Wunsch, E.
- Xella, S.
- Yeganov, V.
- Zacek, J.
- Zalesak, J.
- Zhang, Z.
- Zhelezov, A.
- Zhokin, A.
- Zhu, Y.C.
- Zimmermann, T.
- Zohrabyan, H.
- Zomer, F.
DOIAbstract
The average charged track multiplicity and the normalised distribution of the scaled momentum, $\xp$, of charged final state hadrons are measured in deep-inelastic $\ep$ scattering at high $Q^2$ in the Breit frame of reference. The analysis covers the range of photon virtuality $100 < Q^2 < 20 000 \GeV^{2}$. Compared with previous results presented by HERA experiments this analysis has a significantly higher statistical precision and extends the phase space to higher $Q^{2}$ and to the full range of $\xp$. The results are compared with $e^+e^-$ annihilation data and with various calculations based on perturbative QCD using different models of the hadronisation process.The average charged track multiplicity and the normalised distribution of...
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