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Insertion of STC into TRT at the Department of Physics, Oxford
Credit: CERN

Cigdem Issever

Visiting Professor in Physics

Sub department

  • Particle Physics
Cigdem.Issever@physics.ox.ac.uk
Denys Wilkinson Building, room 602
  • About
  • Publications

Measurement of event shape variables in deep inelastic e p scattering

PHYSICS LETTERS B 406:3 (1997) 256-270

Authors:

C Adloff, S Aid, M Anderson, V Andreev, B Andrieu, V Arkadov, C Arndt, I Ayyaz, A Babaev, J Bahr, J Ban, P Baranov, E Barrelet, R Barschke, W Bartel, U Bassler, HP Beck, M Beck, HJ Behrend, A Belousov, C Berger, G Bernardi, G BertrandCoremans, R Beyer, P Biddulph, JC Bizot, K Borras, F Botterweck, V Boudry, S Bourov, A Braemer, W Braunschweig, V Brisson, DP Brown, W Bruckner, P Bruel, D Bruncko, C Brune, J Burger, FW Busser, A Buniatian, S Burke, G Buschhorn, D Calvet, AJ Campbell, T Carli, M Charlet, D Clarke, B Clerbaux, S Cocks, JG Contreras, C Cormack, JA Coughlan, MC Cousinou, BE Cox, G Cozzika, DG Cussans, J Cvach, S Dagoret, JB Dainton, WD Dau, K Daum, M David, A DeRoeck, EA DeWolf, B Delcourt, M Dirkmann, P Dixon, W Dlugosz, C Dollfus, KT Donovan, JD Dowell, HB Dreis, A Droutskoi, J Ebert, TR Ebert, G Eckerlin, V Efremenko, S Egli, R Eichler, F Eisele, E Eisenhandler, E Elsen, M Erdmann, AB Fahr, L Favart, A Fedotov, R Felst, J Feltesse, J Ferencei, F Ferrarotto, K Flamm, M Fleischer, M Flieser, G Flugge, A Fomenko, J Formanek, JM Foster, G Franke, E Gabathuler, K Gabathuler, F Gaede, J Garvey, J Gayler, M Gebauer, R Gerhards, A Glazov, L Goerlich, N Gogitidze, M Goldberg, B GonzalezPineiro, I Gorelov, C Grab, H Grassler, T Greenshaw, RK Griffiths, G Grindhammer, A Gruber, C Gruber, T Hadig, D Haidt, L Hajduk, T Haller, M Hampel, WJ Haynes, B Heinemann, G Heinzelmann, RCW Henderson, S Hengstmann, H Henschel, I Herynek, MF Hess, K Hewitt, KH Hiller, CD Hilton, J Hladky, M Hoppner, D Hoffmann, T Holtom, R Horisberger, VL Hudgson, M Hutte, M Ibbotson, C Issever, H Itterbeck, M Jacquet, M Jaffre, J Janoth, DM Jansen, L Jonsson, DP Johnson, H Jung, PIP Kalmus, M Kander, D Kant, U Kathage, J Katzy, HH Kaufmann, O Kaufmann, M Kausch, S Kazarian, IR Kenyon, S Kermiche, C Keuker, C Kiesling, M Klein, C Kleinwort, G Knies, T Kohler, JH Kohne, H Kolanoski, SD Kolya, V Korbel, P Kostka, SK Kotelnikov, T Kramerkamper, MW Krasny, H Krehbiel, D Krucker, A Kupper, H Kuster, M Kuhlen, T Kurca, B Laforge, MPJ Landon, W Lange, U Langenegger, A Lebedev, F Lehner, V Lemaitre, S Levonian, M Lindstroem, F Linsel, J Lipinski, B List, G Lobo, GC Lopez, V Lubimov, D Luke, L Lytkin, N Magnussen, H MahlkeKruger, E Malinovski, R Maracek, P Marage, J Marks, R Marshall, J Martens, G Martin, R Martin, HU Martyn, J Martyniak, T Mavroidis, SJ Maxfield, SJ McMahon, A Mehta, K Meier, P Merkel, F Metlica, A Meyer, A Meyer, H Meyer, J Meyer, PO Meyer, A Migliori, S Mikocki, D Milstead, J Moeck, F Moreau, JV Morris, E Mroczko, D Muller, K Muller, P Murin, V Nagovizin, R Nahnhauer, B Naroska, T Naumann, I Negri, PR Newman, D Newton, HK Nguyen, TC Nicholls, F Nibergall, C Niebuhr, C Niedzballa, H Niggli, G Nowak, T Nunnemann, H Oberlack, JE Olsson, D Ozerov, P Palmen, E Panaro, A Panitch, C Pascaud, S Passaggio, GD Patel, H Pawletta, E Peppel, E Perez, JP Phillips, A Pieuchot, D Pitzl, R Poschl, G Pope, B Povh, K Rabbertz, P Reimer, H Rick, S Riess, E Rizvi, P Robmann, R Roosen, K Rosenbauer, A Rostovtsev, F Rouse, C Royon, K Ruter, S Rusakov, K Rybicki, DPC Sankey, P Schacht, S Schiek, S Schleif, P Schleper, W vonSchlippe, D Schmidt, G Schmidt, L Schoeffel, A Schoning, V Schroder, E Schuhmann, B Schwab, F Sefkow, A Semenov, V Shekelyan, I Sheviakov, LN Shtarkov, G Siegmon, U Siewert, Y Sirois, IO Skillicorn, T Sloan, P Smirnov, M Smith, V Solochenko, Y Soloviev, A Specka, J Spiekermann, S Spielman, H Spitzer, F Squinabol, P Steffen, R Steinberg, J Steinhart, B Stella, A Stellberger, J Stiewe, U Stosslein, K Stolze, U Straumann, W Struczinski, JP Sutton, S Tapprogge, M Tasevsky, V Tchernyshov, S Tchetchelnitski, J Theissen, G Thompson, PD Thompson, N Tobien, R Todenhagen, P Truol, G Tsipolitis, J Turnau, E Tzamariudaki, P Uelkes, A Usik, S Valkar, A Valkarova, C Vallee, P VanEsch, P VanMechelen, D Vandenplas, Y Vazdik, P Verrecchia, G Villet, K Wacker, A Wagener, M Wagener, R Wallny, T Walter, B Waugh, G Weber, M Weber, D Wegener, A Wegner, T Wengler, M Werner, LR West, S Wiesand, T Wilksen, S Willard, M Winde, GG Winter, C Wittek, M Wobisch, H Wollatz, E Wunsch, J Zacek, D Zarbock, Z Zhang, A Zhokin, P Zini, F Zomer, J Zsembery, M zurNedden
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Observation of events at very high Q(2) in ep collisions at HERA

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 74:2 (1997) 191-205

Authors:

C Adloff, S Aid, M Anderson, V Andreev, B Andrieu, V Arkadov, C Arndt, I Ayyaz, A Babaev, J Bahr, J Ban, Y Ban, P Baranov, E Barrelet, R Barschke, W Bartel, U Bassler, HP Beck, M Beck, HJ Behrend, A Belousov, C Berger, G Bernardi, G BertrandCoremans, R Beyer, P Biddulph, P Bispham, JC Bizot, K Borras, F Botterweck, V Boudry, S Bourov, A Braemer, W Braunschweig, V Brisson, W Bruckner, P Bruel, D Bruncko, C Brune, R Buchholz, L Bungener, J Burger, FW Busser, A Buniatian, S Burke, G Buschhorn, D Calvet, AJ Campbell, T Carli, M Charlet, D Clarke, B Clerbaux, S Cocks, JG Contreras, C Cormack, JA Coughlan, A Courau, MC Cousinou, BD Cox, G Cozzika, L Criegee, DG Cussans, J Cvach, S Dagoret, JB Dainton, WD Dau, K Daum, M David, CL Davis, A DeRoeck, EA DeWolf, B Delcourt, M Dirkmann, P Dixon, W Dlugosz, C Dollfus, KT Donovan, JD Dowell, HB Dreis, A Droutskoi, O Dunger, J Ebert, TR Ebert, G Eckerlin, V Efremenko, S Egli, R Eichler, F Eisele, E Eisenhandler, E Elsen, M Erdmann, AB Fahr, L Favart, A Fedotov, R Felst, J Feltesse, J Ferencei, F Ferrarotto, K Flamm, M Fleischer, M Flieser, G Flugge, A Fomenko, J Formanek, JM Foster, G Franke, E Fretwurst, E Gabathuler, K Gabathuler, F Gaede, J Garvey, J Gayler, M Gebauer, H Genzel, R Gerhards, A Glazov, L Goerlich, N Gogitidze, M Goldberg, D Goldner, K GolecBiernat, B GonzalezPineiro, I Gorelov, C Grab, H Grassler, T Greenshaw, RK Griffiths, G Grindhammer, A Gruber, C Gruber, T Hadig, D Haidt, L Hajduk, T Haller, M Hampel, WJ Haynes, B Heinemann, G Heinzelmann, RCW Henderson, H Henschel, I Herynek, MF Hess, K Hewitt, KH Hiller, CD Hilton, J Hladky, M Hoppner, D Hoffmann, T Holtom, R Horisberger, VL Hudgson, M Hutte, M Ibbotson, C Issever, H Itterbeck, A Jacholkowska, C Jacobsson, M Jacquet, M Jaffre, J Janoth, DM Jansen, T Jansen, L Jonsson, DP Johnson, H Jung, PIP Kalmus, M Kander, D Kant, R Kaschowitz, U Kathage, J Katzy, HH Kaufmann, O Kaufmann, M Kausch, S Kazarian, IR Kenyon, S Kermiche, C Keuker, C Kiesling, M Klein, C Kleinwort, G Knies, T Kohler, JH Kohne, H Kolanoski, SD Kolya, V Korbel, P Kostka, SK Kotelnikov, T Kramerkamper, MW Krasny, H Krebbiel, D Krucker, A Kupper, H Kuster, M Kuhlen, T Kurca, J Kurzhofer, B Laforge, MPJ Landon, W Lange, U Langenegger, A Lebedev, F Lehner, V Lemaitre, S Levonian, G Lindstrom, M Lindstroem, F Linsel, J Lipinski, B List, G Lobo, GC Lopez, V Lubimov, D Luke, L Lytkin, N Magnussen, H MahlkeKruger, E Malinovski, R Maracek, P Marage, J Marks, R Marshall, J Martens, G Martin, R Martin, HU Martyn, J Martyniak, T Mavroidis, SJ Maxfield, SJ McMahon, A Mehta, K Meier, P Merkel, F Metlica, A Meyer, A Meyer, H Meyer, J Meyer, PO Meyer, A Migliori, S Mikocki, D Milstead, J Moeck, F Moreau, JV Morris, E Mroczko, D Muller, K Muller, P Murin, V Nagovizin, R Nahnhauer, B Naroska, T Naumann, I Negri, PR Newman, D Newton, HK Nguyen, TC Nicholls, F Niebergall, C Niebuhr, C Niedzballa, H Niggli, G Nowak, T Nunnemann, M NybergWerther, H Oberlack, JE Olsson, D Ozerov, P Palmen, E Panaro, A Panitch, C Pascaud, S Passaggio, GD Patel, H Pawletta, E Peppel, E Perez, JP Phillips, A Pieuchot, D Pitzl, R Poschl, G Pope, B Povh, S Prell, K Rabbertz, P Reimer, H Rick, S Riess, E Rizvi, P Robmann, R Roosen, K Rosenbauer, A Rostovtsev, F Rouse, C Royon, K Ruter, S Rusakov, K Rybicki, DPC Sankey, P Schacht, S Schiek, S Schleif, P Schleper, W vonSchlippe, D Schmidt, G Schmidt, L Schoeffel, A Schoning, V Schroder, E Schuhmann, B Schwab, F Sefkow, A Semenov, V Shekelyan, I Sheviakov, LN Shtarkov, G Siegmon, U Siewert, Y Sirois, IO Skillicorn, T Sloan, P Smirnov, M Smith, V Solochenko, Y Soloviev, A Specka, J Spiekermann, S Spielman, H Spitzer, F Squinabol, P Steffen, R Steinberg, J Steinhart, B Stella, A Stellberger, J Stier, J Stiewe, U Stosslein, K Stolze, U Straumann, W Struczinski, JP Sutton, S Tapprogge, M Tasevsky, V Tchernyshov, S Tchetchelnitski, J Theissen, C Thiebaux, G Thompson, PD Thompson, N Tobien, R Todenhagen, P Truol, G Tsipolitis, J Turnau, E Tzamariudaki, P Uelkes, A Usik, S Valkar, A Valkarova, C Vallee, P VanEsch, P VanMechelen, D Vandenplas, Y Vazdik, P Verrecchia, G Villet, K Wacker, A Wagener, M Wagener, R Wallny, B Waugh, G Weber, M Weber, D Wegener, A Wegner, T Wengler, M Werner, LR West, S Wiesand, T Wilksen, S Willard, M Winde, GG Winter, C Wittek, M Wobisch, H Wollatz, E Wunsch, J Zacek, D Zarbock, Z Zhang, A Zhokin, P Zini, F Zomer, J Zsembery, K Zuber, M zurNedden
More details from the publisher

Photoproduction of K-0 and Lambda at HERA and a comparison with deep inelastic scattering

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 76:2 (1997) 213-221

Authors:

C Adloff, S Aid, M Anderson, V Andreev, B Andrieu, V Arkadov, C Arndt, I Ayyaz, A Babaev, J Bahr, J Ban, Y Ban, P Baranov, E Barrelet, R Barschke, W Bartel, U Bassler, HP Beck, M Beck, HJ Behrend, A Belousov, C Berger, G Bernardi, G BertrandCoremans, R Beyer, P Biddulph, P Bispham, JC Bizot, K Borras, F Botterweck, V Boudry, S Bourov, A Braemer, W Braunschweig, V Brisson, W Bruckner, P Bruel, D Bruncko, C Brune, R Buchholz, L Bungener, J Burger, FW Busser, A Buniatian, S Burke, MJ Burton, G Buschhorn, D Calvet, AJ Campbell, T Carli, M Charlet, D Clarke, B Clerbaux, S Cocks, JG Contreras, C Cormack, JA Coughlan, A Courau, MC Cousinou, BE Cox, G Cozzika, DG Cussans, J Cvach, S Dagoret, JB Dainton, WD Dau, K Daum, M David, CL Davis, A DeRoeck, EA DeWolf, B Delcourt, M Dirkmann, P Dixon, W Dlugosz, C Dollfus, KT Donovan, JD Dowell, HB Dreis, A Droutskoi, J Ebert, TR Ebert, G Eckerlin, V Efremenko, S Egli, R Eichler, F Eisele, E Eisenhandler, E Elsen, M Erdmann, AB Fahr, L Favart, A Fedotov, R Felst, J Feltesse, J Ferencei, F Ferrarotto, K Flamm, M Fleischer, M Flieser, G Flugge, A Fomenko, J Formanek, JM Foster, G Franke, E Gabathuler, K Gabathuler, F Gaede, J Garvey, J Gayler, M Gebauer, R Gerhards, A Glazov, L Goerlich, N Gogitidze, M Goldberg, D Goldner, K GolecBiernat, B GonzalezPineiro, I Gorelov, C Grab, H Grassler, T Greenshaw, RK Griffiths, G Grindhammer, A Gruber, C Gruber, T Hadig, D Haidt, L Hajduk, T Haller, M Hampel, WJ Haynes, B Heinemann, G Heinzelmann, RCW Henderson, H Henschel, I Herynek, MF Hess, K Hewitt, KH Hiller, CD Hilton, J Hladky, M Hoppner, D Hoffmann, T Holtom, R Horisberger, VL Hudgson, M Hutte, M Ibbotson, C Issever, H Itterbeck, A Jacholkowska, C Jacobsson, M Jacquet, M Jaffre, J Janoth, DM Jansen, L Jonsson, K Johannsen, DP Johnson, H Jung, PIP Kalmus, M Kander, D Kant, U Kathage, J Katzy, HH Kaufmann, O Kaufmann, M Kausch, S Kazarian, IR Kenyon, S Kermiche, C Keuker, C Kiesling, M Klein, C Kleinwort, G Knies, T Kohler, JH Kohne, H Kolanoski, SD Kolya, V Korbel, P Kostka, SK Kotelnikov, T Kramerkamper, MW Krasny, H Krehbiel, D Krucker, A Kupper, H Kuster, M Kuhlen, T Kurca, J Kurzhofer, B Laforge, MPJ Landon, W Lange, U Langenegger, A Lebedev, F Lehner, V Lemaitre, S Levonian, M Lindstroem, F Linsel, J Lipinski, B List, G Lobo, JW Lomas, GC Lopez, V Lubimov, D Luke, L Lytkin, N Magnussen, H MahlkeKruger, E Malinovski, R Maracek, P Marage, J Marks, R Marshall, J Martens, G Martin, R Martin, HU Martyn, J Martyniak, T Mavroidis, SJ Maxfield, SJ McMahon, A Mehta, K Meier, P Merkel, F Metlica, A Meyer, A Meyer, H Meyer, J Meyer, PO Meyer, A Migliori, S Mikocki, D Milstead, J Moeck, F Moreau, JV Morris, E Mroczko, D Muller, T Walter, K Muller, P Murin, V Nagovizin, R Nahnhauer, B Naroska, T Naumann, I Negri, PR Newman, D Newton, HK Nguyen, TC Nicholls, F Niebergall, C Niebuhr, C Niedzballa, H Niggli, G Nowak, T Nunnemann, M NybergWerther, H Oberlack, JE Olsson, D Ozerov, P Palmen, E Panaro, A Panitch, C Pascaud, S Passaggio, GD Patel, H Pawletta, E Peppel, E Perez, JP Phillips, A Pieuchot, D Pitzl, R Poschl, G Pope, B Povh, S Prell, K Rabbertz, P Reimer, H Rick, S Riess, E Rizvi, P Robmann, R Roosen, K Rosenbauer, A Rostovtsev, F Rouse, C Royon, K Ruter, S Rusakov, K Rybicki, DPC Sankey, P Schacht, S Schiek, S Schleif, P Schleper, W vonSchlippe, D Schmidt, G Schmidt, L Schoeffel, A Schoning, V Schroder, E Schuhmann, B Schwab, F Sefkow, A Semenov, V Shekelyan, I Sheviakov, LN Shtarkov, G Siegmon, U Siewert, Y Sirois, IO Skillicorn, T Sloan, P Smirnov, M Smith, V Solochenko, Y Soloviev, A Specka, J Spiekermann, S Spielman, H Spitzer, F Squinabol, P Steffen, R Steinberg, J Steinhart, B Stella, A Stellberger, J Stier, J Stiewe, U Stosslein, K Stolze, U Straumann, W Struczinski, JP Sutton, S Tapprogge, M Tasevsky, V Tchernyshov, S Tchetchelnitski, J Theissen, G Thompson, PD Thompson, N Tobien, R Todenhagen, P Truol, G Tsipolitis, J Turnau, E Tzamariudaki, P Uelkes, A Usik, S Valkar, A Valkarova, C Vallee, P VanEsch, P VanMechelen, D Vandenplas, Y Vazdik, P Verrecchia, G Villet, K Wacker, A Wagener, M Wagener, R Wallny, B Waugh, G Weber, M Weber, D Wegener, A Wegner, T Wengler, M Werner, LR West, S Wiesand, T Wilksen, S Willard, M Winde, GG Winter, C Wittek, M Wobisch, H Wollatz, E Wunsch, J Zacek, D Zarbock, Z Zhang, A Zhokin, P Zini, F Zomer, J Zsembery, M zurNedden
More details from the publisher

Proton dissociative rho and elastic phi electroproduction at HERA

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 75:4 (1997) 607-618

Authors:

C Adloff, S Aid, M Anderson, V Andreev, B Andrieu, V Arkadov, C Arndt, I Ayyaz, A Babaev, J Bahr, J Ban, P Baranov, E Barrelet, R Barschke, W Bartel, U Bassler, HP Beck, M Beck, HJ Behrend, A Belousov, C Berger, G Bernardi, G BertrandCoremans, R Beyer, P Biddulph, JC Bizot, K Borras, F Botterweck, V Boudry, S Bourov, A Braemer, W Braunschweig, V Brisson, DP Brown, W Bruckner, P Bruel, D Bruncko, C Brune, J Burger, FW Busser, A Buniatian, S Burke, G Buschhorn, D Calvet, AJ Campbell, T Carli, M Charlet, D Clarke, B Clerbaux, S Cocks, JG Contreras, C Cormack, JA Coughlan, MC Cousinou, BE Cox, G Cozzika, DG Cussans, J Cvach, S Dagoret, JB Dainton, WD Dau, K Daum, M David, CL Davis, A DeRoeck, EA DeWolf, B Delcourt, M Dirkmann, P Dixon, W Dlugosz, C Dollfus, KT Donovan, JD Dowell, HB Dreis, A Droutskoi, J Ebert, TR Ebert, G Eckerlin, V Efremenko, S Egli, R Eichler, F Eisele, E Eisenhandler, E Elsen, M Erdmann, AB Fahr, L Favart, A Fedotov, R Felst, J Feltesse, J Ferencei, F Ferrarotto, K Flamm, M Fleischer, M Flieser, G Flugge, A Fomenko, J Formanek, JM Foster, G Franke, E Gabathuler, K Gabathuler, F Gaede, J Garvey, J Gayler, M Gebauer, R Gerhards, A Glazov, L Goerlich, N Gogitidze, M Goldberg, K GolecBiernat, B GonzalezPineiro, I Gorelov, C Grab, H Grassler, T Greenshaw, RK Griffiths, G Grindhammer, A Gruber, C Gruber, T Hadig, D Haidt, L Hajduk, T Haller, M Hampel, WJ Haynes, B Heinemann, G Heinzelmann, RCW Henderson, H Henschel, I Herynek, MF Hess, K Hewitt, KH Hiller, CD Hilton, J Hladky, M Hoppner, D Hoffmann, T Holtom, R Horisberger, VL Hudgson, M Hutte, M Ibbotson, C Issever, H Itterbeck, M Jacquet, M Jaffre, J Janoth, DM Jansen, L Jonsson, DP Johnson, H Jung, PIP Kalmus, M Kander, D Kant, U Kathage, J Katzy, HH Kaufmann, O Kaufmann, M Kausch, S Kazarian, IR Kenyon, S Kermiche, C Keuker, C Kiesling, M Klein, C Kleinwort, G Knies, T Kohler, JH Kohne, H Kolanoski, SD Kolya, V Korbel, P Kostka, SK Kotelnikov, T Kramerkamper, MW Krasny, H Krehbiel, D Krucker, A Kupper, H Kuster, M Kuhlen, T Kurca, B Laforge, MPJ Landon, W Lange, U Langenegger, A Lebedev, F Lehner, V Lemaitre, S Levonian, M Lindstroem, F Linsel, J Lipinski, B List, G Lobo, GC Lopez, V Lubimov, J Marks, D Luke, L Lytkin, N Magnussen, H MahlkeKruger, E Malinovski, R Maracek, P Marage, R Marshall, J Martens, G Martin, R Martin, HU Martyn, J Martyniak, T Mavroidis, SJ Maxfield, SJ McMahon, A Mehta, K Meier, P Merkel, F Metlica, A Meyer, A Meyer, H Meyer, J Meyer, PO Meyer, A Migliori, S Mikocki, D Milstead, J Moeck, F Moreau, JV Morris, E Mroczko, D Muller, K Muller, P Murin, V Nagovizin, R Nahnhauer, B Naroska, T Naumann, I Negri, PR Newman, D Newton, HK Nguyen, TC Nicholls, F Niebergall, C Niebuhr, C Niedzballa, H Niggli, G Nowak, T Nunnemann, H Oberlack, JE Olsson, D Ozerov, P Palmen, E Panaro, A Panitch, C Pascaud, S Passaggio, GD Patel, H Pawletta, E Peppel, E Perez, JP Phillips, A Pieuchot, D Pitzl, R Poschl, G Pope, B Povh, K Rabbertz, P Reimer, H Rick, S Riess, E Rizvi, P Robmann, R Roosen, K Rosenbauer, A Rostovtsev, F Rouse, C Royon, K Ruter, S Rusakov, K Rybicki, DPC Sankey, P Schacht, S Schiek, S Schleif, P Schleper, W vonSchlippe, D Schmidt, G Schmidt, L Schoeffel, A Schoning, V Schroder, E Schuhmann, B Schwab, F Sefkow, A Semenov, V Shekelyan, I Sheviakov, LN Shtarkov, G Siegmon, U Siewert, Y Sirois, IO Skillicorn, T Sloan, P Smirnov, M Smith, V Solochenko, Y Soloviev, A Specka, J Spiekermann, S Spielman, H Spitzer, F Squinabol, P Steffen, R Steinberg, J Steinhart, B Stella, A Stellberger, J Stiewe, U Stosslein, K Stolze, U Straumann, W Struczinski, JP Sutton, S Tapprogge, M Tasevsky, V Tchernyshov, S Tchetchelnitski, J Theissen, G Thompson, PD Thompson, N Tobien, R Todenhagen, P Truol, G Tsipolitis, J Turnau, E Tzamariudaki, P Uelkes, A Usik, S Valkar, A Valkarova, C Vallee, P VanEsch, P VanMechelen, D Vandenplas, Y Vazdik, P Verrecchia, G Villet, K Wacker, A Wagener, M Wagener, R Wallny, T Walter, B Waugh, G Weber, M Weber, D Wegener, A Wegner, T Wengler, M Werner, LR West, S Wiesand, T Wilksen, S Willard, M Winde, GG Winter, C Wittek, M Wobisch, H Wollatz, E Wunsch, J Zacek, D Zarbock, Z Zhang, A Zhokin, P Zini, F Zomer, J Zsembery, M zurNedden
More details from the publisher

A search for ttbar resonances in the lepton plus jets final state with ATLAS using 4.7 fb^{-1} of pp collisions at sqrt{s} = 7 TeV

Abstract:

A search for new particles that decay into top quark pairs (ttbar) is performed with the ATLAS experiment at the LHC using an integrated luminosity of 4.7 fb^-1 of proton-proton (pp) collision data collected at a center-of-mass energy sqrt(s)=7 TeV. In the ttbar --> WbWb decay, the lepton plus jets final state is used, where one W boson decays leptonically and the other hadronically. The ttbar system is reconstructed using both small-radius and large-radius jets, the latter being supplemented by a jet substructure analysis. A search for local excesses in the number of data events compared to the Standard Model expectation in the ttbar invariant mass spectrum is performed. No evidence for a ttbar resonance is found and 95% credibility-level limits on the production rate are determined for massive states predicted in two benchmark models. The upper limits on the cross section times branching ratio of a narrow Z' resonance range from 5.1 pb for a boson mass of 0.5 TeV to 0.03 pb for a mass of 3 TeV. A narrow leptophobic topcolor Z' resonance with a mass below 1.74 TeV is excluded. Limits are also derived for a broad color-octet resonance with Gamma/m = 15.3%. A Kaluza-Klein excitation of the gluon in a Randall-Sundrum model is excluded for masses below 2.07 TeV.
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