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A general search for new phenomena in ep scattering at HERA

  • A. Aktas
  • , V. Andreev
  • , T. Anthonis
  • , A. Asmone
  • , A. Babaev
  • , S. Backovic
  • , J. Bähr
  • , P. Baranov
  • , E. Barrelet
  • , W. Bartel
  • , S. Baumgartner
  • , J. Becker
  • , M. Beckingham
  • , O. Behnke
  • , O. Behrendt
  • , A. Belousov
  • , C. Berger
  • , N. Berger
  • , T. Berndt
  • , J. C. Bizot
  • J. Böhme, M. O. Boenig, V. Boudry, J. Bracinik, V. Brisson, H. B. Bröker, D. P. Brown, D. Bruncko, F. W. Büsser, A. Bunyatyan, G. Buschhorn, L. Bystritskaya, A. J. Campbell, S. Caron, F. Cassol-Brunner, K. Cerny, V. Chekelian, J. G. Contreras, Y. R. Coppens, J. A. Coughlan, B. E. Cox, G. Cozzika, J. Cvach, J. B. Dainton, W. D. Dau, K. Daum, B. Delcourt, R. Demirchyan, A. de Roeck, K. Desch, E. A. de Wolf, C. Diaconu, J. Dingfelder, V. Dodonov, A. Dubak, C. Duprel, G. Eckerlin, V. Efremenko, S. Egli, R. Eichler, F. Eisele, M. Ellerbrock, E. Elsen, M. Erdmann, W. Erdmann, P. J.W. Faulkner, L. Favart, A. Fedotov, R. Felst, J. Ferencei, M. Fleischer, P. Fleischmann, Y. H. Fleming, G. Flucke, G. Flügge, A. Fomenko, I. Foresti, J. Formánek, G. Franke, G. Frising, E. Gabathuler, K. Gabathuler, E. Garutti, J. Garvey, J. Gayler, R. Gerhards, C. Gerlich, S. Ghazaryan, S. Ginzburgskaya, L. Goerlich, N. Gogitidze, S. Gorbounov, C. Grab, H. Grässler, T. Greenshaw, M. Gregori, G. Grindhammer, C. Gwilliam, D. Haidt, L. Hajduk, J. Haller, M. Hansson, G. Heinzelmann, R. C.W. Henderson, H. Henschel, O. Henshaw, G. Herrera, I. Herynek, R. D. Heuer, M. Hildebrandt, K. H. Hiller, P. Höting, D. Hoffmann, R. Horisberger, A. Hovhannisyan, M. Ibbotson, M. Ismail, M. Jacquet, L. Janauschek, X. Janssen, V. Jemanov, L. Jönsson, D. P. Johnson, H. Jung, D. Kant, M. Kapichine, M. Karlsson, J. Katzy, N. Keller, J. Kennedy, I. R. Kenyon, C. Kiesling, M. Klein, C. Kleinwort, T. Klimkovich, T. Kluge, G. Knies, A. Knutsson, B. Koblitz, V. Korbel, P. Kostka, R. Koutouev, A. Kropivnitskaya, J. Kroseberg, K. Krüger, J. Kückens, T. Kuhr, M. P.J. Landon, W. Lange, T. Laštovicka, P. Laycock, A. Lebedev, B. Leißner, R. Lemrani, V. Lendermann, S. Levonian, L. Lindfeld, K. Lipka, B. List, E. Lobodzinska, N. Loktionova, R. Lopez-Fernandez, V. Lubimov, H. Lueders, D. Lüke, T. Lux, L. Lytkin, A. Makankine, N. Malden, E. Malinovski, S. Mangano, P. Marage, J. Marks, R. Marshall, M. Martisikova, H. U. Martyn, S. J. Maxfield, D. Meer, A. Mehta, K. Meier, A. B. Meyer, H. Meyer, J. Meyer, S. Mikocki, I. Milcewicz-Mika, D. Milstead, A. Mohamed, F. Moreau, A. Morozov, I. Morozov, J. V. Morris, M. U. Mozer, K. Müller, P. Murín, V. Nagovizin, K. Nankov, B. Naroska, J. Naumann, T. Naumann, P. R. Newman, C. Niebuhr, A. Nikiforov, D. Nikitin, G. Nowak, M. Nozicka, R. Oganezov, B. Olivier, J. E. Olsson, G. Ossoskov, D. Ozerov, A. Paramonov, C. Pascaud, G. D. Patel, M. Peez, E. Perez, A. Perieanu, A. Petrukhin, D. Pitzl, R. Plačakyte, R. Pöschl, B. Portheault, B. Povh, N. Raicevic, P. Reimer, B. Reisert, A. Rimmer, C. Risler, E. Rizvi, P. Robmann, B. Roland, R. Roosen, A. Rostovtsev, Z. Rurikova, S. Rusakov, K. Rybicki, D. P.C. Sankey, E. Sauvan, S. Schätzel, J. Scheins, F. P. Schilling, P. Schleper, S. Schmidt, S. Schmitt, M. Schneider, L. Schoeffel, A. Schöning, V. Schröder, H. C. Schultz-Coulon, C. Schwanenberger, K. Sedlák, F. Sefkow, I. Sheviakov, L. N. Shtarkov, Y. Sirois, T. Sloan, P. Smirnov, Y. Soloviev, D. South, V. Spaskov, A. Specka, H. Spitzer, R. Stamen, B. Stella, J. Stiewe, I. Strauch, U. Straumann, V. Tchoulakov, G. Thompson, P. D. Thompson, F. Tomasz, D. Traynor, P. Truöl, G. Tsipolitis, I. Tsurin, J. Turnau, E. Tzamariudaki, A. Uraev, M. Urban, A. Usik, D. Utkin, S. Valkár, A. Valkárová, C. Vallée, P. van Mechelen, N. van Remortel, A. Vargas Trevino, Y. Vazdik, C. Veelken, A. Vest, S. Vinokurova, V. Volchinski, K. Wacker, J. Wagner, G. Weber, R. Weber, D. Wegener, C. Werner, N. Werner, M. Wessels, B. Wessling, G. G. Winter, C. Wissing, E. E. Woehrling, R. Wolf, E. Wünsch, S. Xella, W. Yan, V. Yeganov, J. Žáček, J. Zálešák, Z. Zhang, A. Zhelezov, A. Zhokin, H. Zohrabyan, F. Zomer
  • c/o DESY
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • Inter-University Institute for High Energies ULB-VUB
  • University of Antwerp
  • University Roma Tre
  • Institute for Theoretical and Experimental Physics
  • Universités Paris VI and VII
  • ETH Zurich
  • Physik-Institut der Universität Zürich
  • University of Manchester
  • University of Heidelberg
  • University of Dortmund
  • RWTH Aachen University
  • Laboratoire de l'Accélérateur Linéaire
  • Max-Planck-Institut für Physik
  • Institute of Experimental Physics Slovak Academy of Sciences
  • Universität Hamburg
  • Max-Planck-Institut für Kernphysik
  • Yerevan Physics Institute
  • Université Paris-Sud
  • Charles University
  • Dept. Fis. Ap. CINVESTAV
  • University of Birmingham
  • CCLRC Rutherford Appleton Laboratory
  • Institut Pierre Simon Laplace, CNRS and CEA
  • Institute of Physics of the Czech Academy of Sciences
  • University of Liverpool
  • Christian-Albrechts-University Kiel
  • Bergische Universität Gesamthochschule Wuppertal
  • Paul Scherrer Institut
  • Institute for Nuclear Physics
  • Queen Mary University of London
  • Lund University
  • Lancaster University
  • CINVESTAV-IPN
  • Joint Institute for Nuclear Research, Dubna
  • Ip Paris

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

Résumé

A model-independent search for deviations from the Standard Model prediction is performed in e+ p and e- p collisions at HERA using H1 data corresponding to an integrated luminosity of 117 pb -1. For the first time all event topologies involving isolated electrons, photons, muons, neutrinos and jets with high transverse momenta are investigated in a single analysis. Events are assigned to exclusive classes according to their final state. A statistical algorithm is developed to search for deviations from the Standard Model in the distributions of the scalar sum of transverse momenta or invariant mass of final state particles and to quantify their significance. A good agreement with the Standard Model prediction is observed in most of the event classes. The most significant deviation is found for a topology containing an isolated muon, missing transverse momentum and a jet, consistent with a previously reported observation.

langue originaleAnglais
Pages (de - à)14-30
Nombre de pages17
journalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume602
Numéro de publication1-2
Les DOIs
étatPublié - 18 nov. 2004

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