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Multi-electron production at high transverse momenta in ep collisions at HERA

Aktas, A; Andreev, V; Anthonis, T; Asmone, A; Babaev, A; Backovic, S; Bahr, J; Baranov, P; Barrelet, E and Bartel, W, et al. (2003) In European Physical Journal C. Particles and Fields 31(1). p.17-29
Abstract
Multi-electron production is studied at high electron transverse momentum in positron- and electron-proton collisions using the H1 detector at HERA. The data correspond to an integrated luminosity of 115 pb(-1). Di-electron and tri-electron event yields are measured. Cross sections are derived in a restricted phase space region dominated by photon-photon collisions. In general good agreement is found with the Standard Model predictions. However, for electron pair invariant masses above 100 GeV, three di-electron events and three tri-electron events are observed, compared to Standard Model expectations of 0.30 +/- 0.04 and 0.23 +/- 0.04, respectively.
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European Physical Journal C. Particles and Fields
volume
31
issue
1
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17 - 29
publisher
Springer
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  • wos:000186604400002
  • scopus:1242334939
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1434-6044
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English
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yes
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dd7eefcc-1e26-454a-9795-17ffd5aaa433 (old id 295116)
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2007-08-22 08:23:38
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2018-05-29 10:33:26
@article{dd7eefcc-1e26-454a-9795-17ffd5aaa433,
  abstract     = {Multi-electron production is studied at high electron transverse momentum in positron- and electron-proton collisions using the H1 detector at HERA. The data correspond to an integrated luminosity of 115 pb(-1). Di-electron and tri-electron event yields are measured. Cross sections are derived in a restricted phase space region dominated by photon-photon collisions. In general good agreement is found with the Standard Model predictions. However, for electron pair invariant masses above 100 GeV, three di-electron events and three tri-electron events are observed, compared to Standard Model expectations of 0.30 +/- 0.04 and 0.23 +/- 0.04, respectively.},
  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 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 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, SS 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 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       = {1},
  pages        = {17--29},
  publisher    = {Springer},
  series       = {European Physical Journal C. Particles and Fields},
  title        = {Multi-electron production at high transverse momenta in ep collisions at HERA},
  url          = {http://dx.doi.org/},
  volume       = {31},
  year         = {2003},
}