Search for compositeness, leptoquarks and large extra dimensions in eq contact interactions at HERA

Authors
Adloff, C Andreev, V Andrieu, B Arkadov, V Astvatsatourov, A Ayyaz, I Babaev, A Bahr, J Baranov, P Barrelet, E Bartel, W Bassler, U Bate, P Beglarian, A Behnke, O Beier, C Belousov, A Benisch, T Berger, C Bernardi, G Berndt, T Bertrand-Coremans, G Bizot, JC Borras, K Boudry, V Braunschweig, W Brisson, V Broker, HB Brown, DP Bruckner, W Bruel, P Bruncko, D Burger, J Busser, FW Bunyatyan, A Burkhardt, H Burrage, A Buschhorn, G Campbell, AJ Cao, J Carli, T Caron, S Chabert, E Clarke, D Clerbaux, B Collard, C Contreras, JG Coughlan, JA Cousinou, MC Cox, BE Cozzika, G Cvach, J Dainton, JB Dau, WD Daum, K David, M Davidsson, M Delcourt, B Delerue, N Demirchyan, R De Roeck, A De Wolf, EA Diaconu, C Dixon, P Dodonov, V Donovan, KT Dowell, JD Droutskoi, A Duprel, C Ebert, J Eckerlin, G Eckstein, D Efremenko, V Egli, S Eichler, R Eisele, F Eisenhandler, E Ellerbrock, M Elsen, E Erdmann, M Erdmann, W Faulkner, PJW Favart, L Fedotov, A Felst, R Ferencei, J Ferrarotto, F Ferron, S Fleischer, M Flugge, G Fomenko, A Foresti, I Formanek, J Foster, JM Franke, G Gabathuler, E Gabathuler, K Garvey, J Gassner, J Gayler, J Gerhards, R Ghazaryan, S Goerlich, L Gogitidze, N Goldberg, M Goodwin, C Grab, C Grassler, H Greenshaw, T Grindhammer, G Hadig, T Haidt, D Hajduk, L Haustein, V Haynes, WJ Heinemann, B Heinzelmann, G Henderson, RCW Hengstmann, S Henschel, H Heremans, R Herrera, G Herynek, I Hilgers, M Hiller, KH Hilton, CD Hladky, J Hoting, P Hoffmann, D Hoprich, W Horisberger, R Hurling, S Ibbotson, M Issever, C Jacquet, M Jaffre, M Janauschek, L Jansen, DM Janssen, X Jemanov, V Jonsson, L Johnson, DP Jones, MAS Jung, H Kastli, HK Kant, D Kapichine, M Karlsson, M Karschnick, O Kaufmann, O Kausch, M Keil, F Keller, N Kennedy, J Kenyon, IR Kermiche, S Kiesling, C Klein, M Kleinwort, C Knies, G Koblitz, B Kolanoski, H Kolya, SD Korbel, V Kostka, P Kotelnikov, SK Krasny, MW Krehbiel, H Kroseberg, J Krucker, D Kruger, K Kupper, A Kuhr, T Kurca, T Kutuev, R Lachnit, W Lahmann, R Lamb, D Landon, MPJ Lange, W Lastovicka, T Lebedev, A Leissner, B Lemrani, R Lendermann, V Levonian, S Lindstroem, M Lobo, G Lobodzinska, E Lobodzinski, B Loktionova, N Lubimov, V Luders, S Luke, D Lytkin, L Magnussen, N Mahlke-Kruger, H Malden, N Malinovski, E Malinovski, I Maracek, R Marage, P Marks, J Marshall, R Martyn, HU Martyniak, J Maxfield, SJ Mehta, A Meier, K Merkel, P Metlica, F Meyer, A Meyer, H Meyer, J Meyer, PO Mikocki, S Milstead, D Mkrtchyan, T Mohr, R Mohrdieck, S Mondragon, MN Moreau, F Morozov, A Morris, JV Muller, D Muller, K Murin, P Nagovizin, V Naroska, B Naumann, J Naumann, T Negri, I Nellen, G Newman, PR Nicholls, TC Niebergall, F Niebuhr, C Nix, O Nowak, G Nunnemann, T Olsson, JE Ozerov, D Panassik, V Pascaud, C Patel, GD Perez, E Phillips, JP Pitzl, D Poschl, R Potachnikova, I Povh, B Rabbertz, K Radel, G Rauschenberger, J Reimer, P Reisert, B Reyna, D Riess, S Rizvi, E Robmann, P Roosen, R Rostovtsev, A Royon, C Rusakov, S Rybicki, K Sankey, DPC Scheins, J Schilling, FP Schleif, S Schleper, P Schmidt, D Schmidt, D Schoeffel, L Schoning, A Schorner, T Schroder, V Schultz-Coulon, HC Sedlak, K Sefkow, F Shekelyan, V Sheviakov, I Shtarkov, LN Siegmon, G Sievers, P Sirois, Y Sloan, T Smirnov, P Smith, M Solochenko, V Soloviev, Y Spaskov, V Specka, A Spitzer, H Stamen, R Steinhart, J Stella, B Stellberger, A Stiewe, J Straumann, U Struczinski, W Swart, M Tasevsky, M Tchernyshov, V Tchetchelnitski, S Thompson, G Thompson, PD Tobien, N Traynor, D Truol, P Tsipolitis, G Turnau, J Turney, JE Tzamariudaki, E Udluft, S Usik, A Valkar, S Valkarova, A Vallee, C Van Mechelen, P Vazdik, Y von Dombrowski, S Wacker, K Wallny, R Walter, T Waugh, B Weber, G Weber, M Wegener, D Wegner, A Wengler, T Werner, M White, G Wiesand, S Wilksen, T Winde, M Winter, GG Wissing, C Wobisch, M Wollatz, H Wunsch, E Wyatt, AC Zacek, J Zalesak, J Zhang, Z Zhokin, A Zomer, F Zsembery, J zur Nedden, M
Citation
C. Adloff et al., Search for compositeness, leptoquarks and large extra dimensions in eq contact interactions at HERA, PHYS LETT B, 479(4), 2000, pp. 358-370
Citations number
38
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Physics
Journal title
PHYSICS LETTERS B
ISSN journal
0370-2693 → ACNP
Volume
479
Issue
4
Year of publication
2000
Pages
358 - 370
Database
ISI
SICI code
0370-2693(20000427)479:4<358:SFCLAL>2.0.ZU;2-U
Abstract
The reaction e(+)p --> e(+)X is studied with the H1 detector at HERA. The d ata cover momentum transfers Q(2) between 200 GeV2 and 30 000 GeV2 and corr espond to an integrated luminosity of 35.6 pb(-1). The differential cross s ection d sigma/dQ(2) is compared to the Standard Model expectation for neut ral current scattering and analysed to search for ((e) over bar e)((q) over bar q) contact interactions. No evidence for new phenomena is observed. Th e results are used to set limits on scales within models of electron-quark compositeness, quark form factors and the exchange of virtual heavy leptoqu arks. A search for gravitational effects mediated through the exchange of v irtual gravitons which propagate into large extra dimensions is presented. (C) 2000 Elsevier Science B.V. All rights reserved.