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Inclusive dijet production at low Bjorken-x in deep inelastic scattering

Aktas, A; Andreev, V; Anthonis, T; Asmone, A; Babaev, A; Backovic, S; Bahr, J; Baranov, P; Barrelet, E and Bartel, W, et al. (2004) In European Physical Journal C. Particles and Fields 33(4). p.477-493
Abstract
Dijet production in deep inelastic ep scattering is investigated in the region of low values of the Bjorken-variable x (10(-4) < x < 10(-2)) and low photon virtualities Q(2) (5 < Q(2) < 100 GeV2). The measured dijet cross sections are compared with perturbative QCD calculations in next-to-leading order. For most dijet variables studied, these calculations can provide a reasonable description of the data over the full phase space region covered, including the region of very low x. However, large discrepancies at low x and low Q(2) are observed for events with small separation in azimuth between the two highest transverse momentum jets. This region of phase space is described better by predictions based on the CCFM evolution... (More)
Dijet production in deep inelastic ep scattering is investigated in the region of low values of the Bjorken-variable x (10(-4) < x < 10(-2)) and low photon virtualities Q(2) (5 < Q(2) < 100 GeV2). The measured dijet cross sections are compared with perturbative QCD calculations in next-to-leading order. For most dijet variables studied, these calculations can provide a reasonable description of the data over the full phase space region covered, including the region of very low x. However, large discrepancies at low x and low Q(2) are observed for events with small separation in azimuth between the two highest transverse momentum jets. This region of phase space is described better by predictions based on the CCFM evolution equation, which incorporates k(t) factorized unintegrated parton distributions. A reasonable description can be also obtained using the Color Dipole Model or models incorporating virtual photon structure. (Less)
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European Physical Journal C. Particles and Fields
volume
33
issue
4
pages
477 - 493
publisher
Springer
external identifiers
  • wos:000220424200002
  • scopus:2442651531
ISSN
1434-6044
DOI
10.1140/epjc/s2004-01644-5
language
English
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yes
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bbafb219-2311-4965-810d-acaf668a5aa6 (old id 283688)
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2007-08-29 13:39:55
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@article{bbafb219-2311-4965-810d-acaf668a5aa6,
  abstract     = {Dijet production in deep inelastic ep scattering is investigated in the region of low values of the Bjorken-variable x (10(-4) &lt; x &lt; 10(-2)) and low photon virtualities Q(2) (5 &lt; Q(2) &lt; 100 GeV2). The measured dijet cross sections are compared with perturbative QCD calculations in next-to-leading order. For most dijet variables studied, these calculations can provide a reasonable description of the data over the full phase space region covered, including the region of very low x. However, large discrepancies at low x and low Q(2) are observed for events with small separation in azimuth between the two highest transverse momentum jets. This region of phase space is described better by predictions based on the CCFM evolution equation, which incorporates k(t) factorized unintegrated parton distributions. A reasonable description can be also obtained using the Color Dipole Model or models incorporating virtual photon structure.},
  author       = {Aktas, A and Andreev, V and Anthonis, T and Asmone, A and Babaev, A and Backovic, S and Bahr, J and Baranov, P and Barrelet, E and Bartel, W and Baumgartner, S and Becker, J and Beckingham, M and Behnke, O and Behrendt, O and Belousov, A and Berger, C and Berndt, T and Bizot, JC and Bohme, J and Boenig, MO and Boudry, V and Bracinik, J and Braunschweig, W and Brisson, V and Broker, HB and Brown, DP and Bruncko, D and Busser, FW and Bunyatyan, A and Buschhorn, G and Bystritskaya, L and Campbell, AJ and Caron, S and Cassol-Brunner, F and Chekelian, V and Clarke, D and Collard, C and Contreras, JG and Coppens, YR and Coughlan, JA and Cousinou, MC and Cox, BE and Cozzika, G and Cvach, J and Dainton, JB and Dau, WD and Daum, K and Delcourt, B and Delerue, N and Demirchyan, R and De Roeck, A and De Wolf, EA and Diaconu, C and Dingfelder, J and Dodonov, V and Dowell, JD and Dubak, A and Duprel, C and Eckerlin, G and Efremenko, V and Egli, S and Eichler, R and Eisele, F and Ellerbrock, M and Elsen, E and Erdmann, M and Erdmann, W and Faulkner, PJW and Favart, L and Fedotov, A and Felst, R and Ferencei, J and Fleischer, M and Fleischmann, P and Fleming, YH and Flucke, G and Flugge, G and Fomenko, A and Foresti, I and Formanek, J and Franke, G and Frising, G and Gabathuler, E and Gabathuler, K and Garvey, J and Gassner, J and Gayler, J and Gerhards, R and Gerlich, C and Ghazaryan, S and Goerlich, L and Gogitidze, N and Gorbounov, S and Grab, C and Grabski, V and Grassler, H and Greenshaw, T and Gregori, M and Grindhammer, G and Haidt, D and Hajduk, L and Haller, J and Heinzelmann, G and Henderson, RCW and Henschel, H and Henshaw, O and Heremans, R and Herrera, G and Herynek, I and Hildebrandt, M and Hiller, KH and Hladky, J and Hoting, P and Hoffmann, D and Horisberger, R and Hovhannisyan, A and Ibbotson, M and Jacquet, M and Janauschek, L and Janssen, X and Jemanov, V and Jönsson, Leif and Johnson, C and Johnson, DP and Jung, Hannes and Kant, D and Kapichine, M and Karlsson, Martin and Katzy, J and Keil, F and Keller, N and Kennedy, J and Kenyon, IR and Kiesling, C and Klein, M and Kleinwort, C and Kluge, T and Knies, G and Koblitz, B and Kolya, SD and Korbel, V and Kostka, P and Koutouev, R and Kropivnitskaya, A and Kroseberg, J and Kueckens, J and Kuhr, T and Landon, MPJ and Lange, W and Lastovicka, T and Laycock, P and Lebedev, A and Leissner, B and Lemrani, R and Lendermann, V and Levonian, S and List, B and Lobodzinska, E and Loktionova, N and Lopez-Fernandez, R and Lubimov, V and Lueders, H and Luders, S and Luke, D and Lytkin, L and Makankine, A and Malden, N and Malinovski, E and Mangano, S and Marage, P and Marks, J and Marshall, R and Martyn, HU and Martyniak, J and Maxfield, SJ and Meer, D and Mehta, A and Meier, K and Meyer, AB and Meyer, H and Meyer, J and Michine, S and Mikocki, S and Milstead, D and Moreau, F and Morozov, A and Morozov, I and Morris, JV and Muller, K and Murin, P and Nagovizin, V and Naroska, B and Naumann, J and Naumann, T and Newman, PR and Niebergall, F and Niebuhr, C and Nikitin, D and Nowak, G and Nozicka, M and Olivier, B and Olsson, JE and Ossoskov, G and Ozerov, D and Pascaud, C and Patel, GD and Peez, M and Perez, E and Petrukhin, A and Pitzl, D and Poschl, R and Povh, B and Raicevic, N and Rauschenberger, J and Reimer, P and Reisert, B and Risler, C and Rizvi, E and Robmann, P and Roosen, R and Rostovtsev, A and Rusakov, S and Rybicki, K and Sankey, DPC and Sauvan, E and Schatzel, S and Scheins, J and Schilling, FP and Schleper, P and Schmidt, S and Schmitt, S and Schneider, M and Schoeffel, L and Schoning, A and Schroder, V and Schultz-Coulon, HC and Schwanenberger, C and Sedlak, K and Sefkow, F and Sheviakov, I and Shtarkov, LN and Sirois, Y and Sloan, T and Smirnov, P and Soloviev, Y and South, D and Spaskov, V and Specka, A and Spitzer, H and Stamen, R and Stella, B and Stiewe, J and Strauch, I and Straumann, U and Thompson, G and Thompson, PD and Tomasz, F and Traynor, D and Truol, P and Tsipolitis, G and Tsurin, I and Turnau, J and Turney, JE and Tzamariudaki, E and Uraev, A and Urban, M and Usik, A and Valkar, S and Valkarova, A and Vallee, C and Van Mechelen, P and Trevino, AV and Vassiliev, S and Vazdik, Y and Veelken, C and Vest, A and Vichnevski, A and Vinokurova, S and Volchinski, V and Wacker, K and Wagner, J and Waugh, B and Weber, G and Weber, R and Wegener, D and Werner, C and Werner, N and Wessels, M and Wessling, B and Winde, M and Winter, GG and Wissing, C and Woehrling, EE and Wunsch, E and Zacek, J and Zalesak, J and Zhang, Z and Zhokin, A and Zomer, F and zur Nedden, M},
  issn         = {1434-6044},
  language     = {eng},
  number       = {4},
  pages        = {477--493},
  publisher    = {Springer},
  series       = {European Physical Journal C. Particles and Fields},
  title        = {Inclusive dijet production at low Bjorken-x in deep inelastic scattering},
  url          = {http://dx.doi.org/10.1140/epjc/s2004-01644-5},
  volume       = {33},
  year         = {2004},
}