Measurement of event shape variables in deep inelastic e p scattering

Adloff, C.; Aïd, S.; Anderson, M.; Andreev, V. A.; Andrieu, Bernard; Arkadov, V.; Arndt, C.; Ayyaz, I.; Babaev, A.; Bähr, J.; Bán, J.; Baranov, P.; Barrelet, E.; Barschke, R.; Bartel, W.; Bassler, U.; Beck, H. P.; Beck, M.; Behrend, H. J.; Belousov, A.; Berger, Ch.; Bernardi, G.; Bertrand-Coremans, G.; Beyer, R.; Biddulph, P.; Bizot, J.C.; Borras, K.; Botterweck, F.; Boudry, V.; Bourov, S.; Braemer, A.; Braunschweig, W.; Brisson, V.; Brown, D.; Brückner, W.; Bruel, P.; Bruncko, D.; Brune, C. R.; Bürger, J.; Büsser, F.W.; Buniatian, A.; Bürke, S.; Buschhorn, G.; Calvet, D.; Campbell, A. J.; Carli, T.; Charlet, M.; Clarke, Danielle; Clerbaux, B.; Cocks, S.; Contreras, J. G.; Cormack, C. M.; Coughlan, J. A.; Cousinou, M. C.; Cox, B.; Cozzika, G.; Cussans, D.; Cvach, J.; Dagoret, S.; Dainton, J. B.; Dau, W.D.; Daum, K.; David, M.; Roeck, A. De; Wolf, E. A. De; Delcourt, B.; Dirkmann, M.; Dixon, P.; Długosz, W.; Dollfus, C.; Donovan, K.T.; Dowell, J. D.; Dreis, H. B.; Droutskoi, A.; Ebert, J.; Ebert, T. R.; Eckerlin, G.; Efremenko, V.; Egli, S.; Eichler, R.; Eisele, F.; Eisenhandler, E.; Elsen, E.; Erdmann, M.; Fahr, A.B.; Favart, L.; Fedotov, A.; Felst, R.; Feltesse, J.; Ferencei, J.; Ferrarotto, F.; Flamm, K.; Fleischer, M.; Flieser, M.; Flügge, G.; Fomenko, A.; Formánek, J.; Foster, J. M.; Franke, G.; Gabathuler, E.; Gabathuler, K.; Gaede, F.; Garvey, J.; Gayler, J.; Gebauer, M.; Gerhards, R.; Glazov, A.; Goerlich, L.; Gogitidze, N.; Goldberg, M.; González-Pineiro, B.; Gorelov, I.; Grab, C.; Grässler, H.; Greenshaw, T.; Griffiths, R.K.; Grindhammer, G.; Gruber, A.; Grüber, C.; Hadig, T.; Haidt, D.; Hajduk, L.; Haller, T.; Hampel, Matías Rolf; Haynes, W.J.; Heinemann, B.; Heinzelmann, G.; Henderson, R. C. W.; Hengstmann, S.; Henschel, H.; Herynek, I.; Heß, M.; Hewitt, K.; Hiller, K. H.; Hilton, C.D.; Hladký, J.; Höppner, M.; Hoffmann, D.; Holtom, T.; Horisberger, R.; Hudgson, V. L.; Hütte, M.; Ibbotson, M.; İşsever, Ç.; Itterbeck, H.; Jacquet, M.; Jaffré, M.; Janoth, J.; Jansen, D. M.; Jönsson, L.; Johnson, D.P.; Jung, H.; Kalmus, P. I. P.; Kander, M.; Kant, D.; Kathage, U.; Katzy, J.; Kaufmann, H. H.; Kaufmann, O.; Kausch, M.; Kazarian, Shahé S.; Kenyon, I. R.; Kermiche, S.; Keuker, C.; Kiesling, C.; Klein, M.; Kleinwort, C.; Knies, G.; Köhler, Thomas; Köhne, J. H.; Kolanoski, H.; Kolya, S. D.; Korbel, V.; Kostka, P.; Kotelnikov, S.K.; Krämerkämper, T.; Krasny, M. W.; Krehbiel, H.; Krücker, D.; Küpper, A.; Küster, H.; Kuhlen, M.; Kurča, T.; Laforge, B.; Landon, M. P. J.; Lange, W.; Langenegger, U.; Lebedev, A.; Lehner, F.; Lemaı̂tre, V.; Levonian, S.; Lindstroem, M.; Linsel, F.; Lipiński, J.; List, B.; Lobo, G.; Lopez, G. C.; Lubimov, V.; Lüke, D.; Lytkin, L.; Magnussen, N.; Mahlke-Krüger, H.; Malinovski, E.; Maraček, R.; Marage, P.; Marks, J.; Marshall, R.; Martens, J.; Martin, G.; Martin, R.; Martyn, H. U.; Martyniak, J.; Mavroidis, T.; Maxfield, S. J.; McMahon, S. J.; Mehta, A.; Meier, K.; Merkel, P.; Metlica, F.; Meyer, Andreas Bernhard; Meyer, H.; Meyer, J.; Meyer, P.-O.; Migliori, A.; Mikocki, S.; Milstead, D.; Moeck, J.; Moreau, F.; Morris, J. V.; Mroczko, E.; Müller, D.; Müller, K.; Мурін, П.; Nagovizin, V.; Nahnhauer, R.; Naroska, B.; Naumann, T.; Négri, I.; Newman, P. R.; Newton, D.; Nguyen, H. K.; Nicholls, T. C.; Niebergall, F.; Niebuhr, C.; Niedzballa, Ch.; Niggli, H.; Nowak, G.; Nunnemann, T.; Oberlack, H.; Olsson, J. E.; Ozerov, D.; Palmen, P.; Panaro, E.; Panitch, A.; Pascaud, C.; Passaggio, S.; Patel, G. D.; Pawletta, H.; Peppel, E.; Perez, E.; Phillips, J. P.; Pieuchot, A.; Pitzl, D.; Pöschl, R.; Pope, G.; Povh, Bogdan; Rabbertz, K.; Reimer, P.; Rick, H.; Rieß, S.; Rizvi, E.; Robmann, P.; Roosen, R.; Rosenbauer, K.; Rostovtsev, A.; Rouse, F.; Royon, C.; Rüter, K.; Rusakov, S. V.; Rybicki, K.; Sankey, D. P. C.; Schacht, P.; Schiek, S.; Schleif, S.; Schleper, P.; Schlippe, W. von; Schmidt, D.; Schmidt, G.; Schoeffel, L.; Schöning, A.; Schröder, V.; Schuhmann, E.; Schwab, B.; Sefkow, F.; Semenov, A.; Shekelyan, V.; Sheviakov, I.; Shtarkov, L. N.; Siegmon, G.; Siewert, U.; Sirois, Y.; Skillicorn, I. O.; Sloan, T.; Smirnov, P.; Smith, M. N. K.; Solochenko, V.; Soloviev, Y.; Specka, A.; Spiekermann, J.; Spielman, S.; Spitzer, H.; Squinabol, F.; Steffen, P.; Steinberg, R.; Steinhart, J.; Stella, B.; Stellberger, A.; Stiewe, J.; Stößlein, U.; Stolze, K.; Straumann, U.; Struczinski, W.; Sutton, J. P.; Tapprogge, S.; Taševský, M.; Tchernyshov, V.; Tchetchelnitski, S.; Theissen, J.; Thompson, G.; Thompson, P. D.; Tobien, N.; Todenhagen, R.; Truöl, P.; Tsipolitis, G.; Turnau, J.; Tzamariudaki, E.; Uelkes, P.; Usik, A.; Valkár, Š.; Valkárová, A.; Vallée, Claude; Esch, Patrick van; Mechelen, P. Van; Vandenplas, D.; Vazdik, Y.; Verrecchia, P.; Villet, G.; Wacker, K.; Wagener, Aurélie; Wagener, M.; Wallny, R.; Walter, T.; Waugh, B. M.; Weber, G.; Weber, M.; Wegener, D.; Wegner, A.; Wengler, T.; Werner, M.; West, L.R.; Wiesand, S.; Wilksen, T.; Willard, S.; Winde, M.; Winter, G. G.; Wittek, C.; Wobisch, M.; Wollatz, H.; Wünsch, E.; Žáček, J.; Zarbock, D.; Zhang, Z; Zhokin, A.; Zini, P.; Zomer, F.; Zsembery, J.; zurNedden, M.

doi:10.1016/s0370-2693(97)00754-5

Cited by 51 publications

(33 citation statements)

References 21 publications

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“…In addition, because many observables have been proposed only in the last ten or so years and owing to the particular interest (see below) in data at moderate centre of mass energies, the JADE data have been re-analysed [105][106][107][108][109]. Results in DIS come from both H1 [114][115][116] (mean values and distributions) and ZEUS [117] (means), [118] (means and distributions in rapidity gap events). Let us start our discussion of the data by examining mean values (distributions are left until section 5).…”

Section: Mean Values Hadronisation Corrections and Comparisons To Exmentioning

confidence: 99%

Event shapes in e⁺eannihilation and deep inelastic scattering

Dasgupta

Salam

2004

J. Phys. G: Nucl. Part. Phys.

160

239

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Section: Mean Values Hadronisation Corrections and Comparisons To Exmentioning

confidence: 99%

Event shapes in e⁺eannihilation and deep inelastic scattering

Dasgupta

Salam

2004

J. Phys. G: Nucl. Part. Phys.

160

239

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“…Alternatively, DJANGO in combination with LEPTO [12] without soft colour interactions has been used to investigate the model dependence. 3 The hadronization of partons uses the JETSET [13] string fragmentation. QED radiation on the lepton side, including real photons and virtual 1-loop corrections, is treated by HERACLES [14].…”

Section: Event Simulationmentioning

confidence: 99%

“…Alternatively, the matrix method employed in the previous publication [3] and simple correction factors applied either bin-by-bin to the distributions or directly to the mean values have been used. They serve to estimate systematic effects.…”

Section: Data Correction Proceduresmentioning

confidence: 99%

“…First results on an analysis of mean event shape variables as a function of Q in terms of power corrections and the strong coupling constant α s (M Z ) have been published by the H1 collaboration [3]. It could be shown that power corrections can be successfully applied to the variables thrust and jet mass, but they failed to describe the observed jet broadening.…”

Section: Introductionmentioning

confidence: 99%

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

2000

Eur. Phys. J. C

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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/Q p to account for hadronization effects. The concept of power corrections is investigated by fitting simultaneously a nonperturbative parameter α p−1 and the strong coupling constant α s .

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“…In the past few years the H1 and ZEUS experiments at HERA have embarked on analogous studies of DIS current-hemisphere event shapes [8][9][10]. Compared to most e + e − results, a feature of the DIS measurements is that a wide range of Q values is probed by the same experiment.…”

Section: Introductionmentioning

confidence: 99%

Resummation of the jet broadening in DIS

Dasgupta¹,

Salam

2002

Eur. Phys. J. C

123

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We calculate the leading and next-to-leading logarithmic resummed distribution for the jet broadening in deep inelastic scattering, as well as the power correction for both the distribution and mean value. A truncation of the answer at NLL accuracy, as is standard, leads to unphysical divergences. We discuss their origin and show how the problem can be resolved. We then examine DIS-specific procedures for matching to fixed-order calculations and compare our results to data. One of the tools developed for the comparison is an NLO parton distribution evolution code. When compared to PDF sets from MRST and CTEQ it reveals limited discrepancies in both.

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Measurement of event shape variables in deep inelastic e p scattering

Cited by 51 publications

References 21 publications

Event shapes in e⁺eannihilation and deep inelastic scattering

Event shapes in e⁺eannihilation and deep inelastic scattering

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

Resummation of the jet broadening in DIS

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Measurement of event shape variables in deep inelastic e p scattering

Cited by 51 publications

References 21 publications

Event shapes in e+e annihilation and deep inelastic scattering

Event shapes in e+e annihilation and deep inelastic scattering

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

Resummation of the jet broadening in DIS

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Event shapes in e⁺eannihilation and deep inelastic scattering

Event shapes in e⁺eannihilation and deep inelastic scattering