Investigation of power corrections to event shape variables measured in deep-inelastic scattering

C. Adloff, V. Andreev, B. Andrieu, V. Arkadov, A. Astvatsatourov, I. Ayyaz, A. Babaev, J. Bähr, P. Baranov, E. Barrelet, W. Bartel, U. Bassler, P. Bate, O. Behnke, C. Beier, A. Belousov, T. Benisch, Ch Berger, G. Bernardi, T. BerndtG. Bertrand-Coremans, P. Biddulph, J. C. Bizot, K. Borras, V. Boudry, W. Braunschweig, V. Brisson, H. B. Bröker, D. P. Brown, W. Brückner, P. Bruel, D. Bruncko, J. Bürger, F. W. Büsser, A. Bunyatyan, S. Burke, H. Burkhardt, A. Burrage, G. Buschhorn, A. J. Campbell, J. Cao, T. Carli, E. Chabert, M. Charlet, D. Clarke, B. Clerbaux, C. Collard, J. G. Contreras, J. A. Coughlan, M. C. Cousinou, B. E. Cox, G. Cozzika, J. Cvach, J. B. Dainton, W. D. Dau, K. Daum, M. David, M. Davidsson, B. Delcourt, A. de Roeck, E. A. de Wolf, C. Diaconu, P. Dixon, V. Dodonov, K. T. Donovan, J. D. Dowell, A. Droutskoi, C. Duprel, J. Ebert, G. Eckerlin, D. Eckstein, V. Efremenko, S. Egli, R. Eichler, F. Eisele, E. Eisenhandler, M. Ellerbrock, E. Elsen, M. Erdmann, A. B. Fahr, P. J W Faulkner, L. Favart, A. Fedotov, R. Felst, J. Feltesse, J. Ferencei, F. Ferrarotto, S. Ferron, M. Fleischer, G. Flügge, A. Fomenko, I. Foresti, J. Formánek, J. M. Foster, G. Franke, E. Gabathuler, K. Gabathuler, J. Garvey, J. Gassner, J. Gayler, R. Gerhards, A. Glazov, L. Goerlich, N. Gogitidze, M. Goldberg, I. Gorelov, C. Grab, H. Grässler, T. Greenshaw, R. K. Griffiths, G. Grindhammer, T. Hadig, D. Haidt, L. Hajduk, V. Haustein, W. J. Haynes, B. Heinemann, G. Heinzelmann, R. C W Henderson, S. Hengstmann, H. Henschel, R. Heremans, G. Herrera, I. Herynek, M. Hilgers, K. H. Hiller, C. D. Hilton, J. Hladký, P. Höting, D. Hoffmann, R. Horisberger, S. Hurling, M. Ibbotson, C. Işsever, M. Jacquet, M. Jaffre, L. Janauschek, D. M. Jansen, X. Janssen, L. Jönsson, D. P. Johnson, M. Jones, H. Jung, H. K. Küstli, D. Kant, M. Kapichine, M. Karlsson, O. Karschnick, O. Kaufmann, M. Kausch, F. Keil, N. Keller, I. R. Kenyon, S. Kermiche, C. Kiesling, M. Klein, C. Kleinwort, G. Knies, H. Kolanoski, S. D. Kolya, V. Korbel, P. Kostka, S. K. Kotelnikov, M. W. Krasny, H. Krehbiel, J. Kroseberg, D. Krücker, K. Krüger, A. Küpper, T. Kuhr, T. Kurča, W. Lachnit, R. Lahmann, D. Lamb, M. P J Landon, W. Lange, A. Lebedev, F. Lehner, V. Lemaitre, R. Lemrani, V. Lendermann, S. Levonian, M. Lindstroem, G. Lobo, E. Lobodzinska, V. Lubimov, S. Lüders, D. Lüke, L. Lytkin, N. Magnussen, H. Mahlke-Krüger, N. Malden, E. Malinovski, I. Malinovski, R. Maraček, P. Marage, J. Marks, R. Marshall, H. U. Martyn, J. Martyniak, S. J. Maxfield, T. R. McMahon, A. Mehta, K. Meier, P. Merkel, F. Metlica, A. Meyer, H. Meyer, J. Meyer, P. O. Meyer, S. Mikocki, D. Milstead, R. Mohr, S. Mohrdieck, M. N. Mondragon, F. Moreau, A. Morozov, J. V. Morris, D. Müller, K. Müller, P. Murín, V. Nagovizin, B. Naroska, J. Naumann, Th Naumann, I. Negri, P. R. Newman, H. K. Nguyen, T. C. Nicholls, F. Niebergall, C. Niebuhr, O. Nix, G. Nowak, T. Nunnemann, J. E. Olsson, D. Ozerov, V. Panassik, C. Pascaud, S. Passaggio, G. D. Patel, E. Perez, J. P. Phillips, D. Pitzl, R. Pöschl, I. Potashnikova, B. Povh, K. Rabbertz, G. Rädel, J. Rauschenberger, P. Reimer, B. Reisert, D. Reyna, S. Riess, E. Rizvi, P. Robmann, R. Roosen, A. Rostovtsev, C. Royon, S. Rusakov, K. Rybicki, D. P C Sankey, J. Scheins, F. P. Schilling, S. Schleif, P. Schleper, D. Schmidt, L. Schoeffel, T. Schörner, A. Schoning, V. Schröder, H. C. Schultz-Coulon, F. Sefkow, V. Shekelyan, I. Sheviakov, L. N. Shtarkov, G. Siegmon, P. Sievers, Y. Sirois, T. Sloan, P. Smirnov, M. Smith, V. Solochenko, Y. Soloviev, V. Spaskov, A. Specka, H. Spitzer, R. Stamen, J. Steinhart, B. Stella, A. Stellberger, J. Stiewe, U. Straumann, W. Struczinski, J. P. Sutton, M. Swart, M. Taševský, V. Tchernyshov, S. Tchetchelnitski, G. Thompson, P. D. Thompson, N. Tobien, D. Traynor, P. Truöl, G. Tsipolitis, J. Turnau, J. E. Turney, E. Tzamariudaki, S. Udluft, A. Usik, S. Valkár, A. Valkárová, C. Vallée, P. van Mechelen, Y. Vazdik, G. Villet, S. von Dombrowski, K. Wacker, R. Wallny, T. Walter, B. Waugh, G. Weber, M. Weber, D. Wegener, A. Wegner, T. Wengler, M. Werner, L. R. West, G. White, S. Wiesand, T. Wilksen, M. Winde, G. G. Winter, Ch Wissing, M. Wobisch, H. Wollatz, E. Wünsch, J. Žáček, J. Zálešák, Z. Zhang, A. Zhokin, P. Zini, F. Zomer, J. Zsembery, M. zur Nedden

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Deep-inelastic ep scattering data, taken with the H1 detector at HERA, are used to study the event shape variables thrust, jet broadening, jet mass, C parameter and two kinds of differential two-jet rate. The data cover a large range of the four-momentum transfer Q, which is considered to be the relevant energy scale, between 7 GeV and 100 GeV. The Q dependences of the mean values are compared with second order calculations of perturbative QCD applying power law corrections proportional to 1/Qp to account for hadronization effects. The concept of power corrections is investigated by fitting simultaneously a non-perturbative parameter ᾱp-1 and the strong coupling constant αs.
    Original languageEnglish
    Pages (from-to)255-269
    Number of pages14
    JournalEuropean Physical Journal C
    Volume14
    Issue number2
    DOIs
    Publication statusPublished - 2000

    Keywords

    • High Energy Physics - Experiment

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