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

Professor Amanda Cooper-Sarkar

Emeritus Professor

Research theme

  • Fundamental particles and interactions

Sub department

  • Particle Physics

Research groups

  • ATLAS
Amanda.Cooper-Sarkar@physics.ox.ac.uk
Telephone: 01865 (2)73406
Denys Wilkinson Building, room 659
  • About
  • Publications

Observation of direct processes in photoproduction at HERA

Physics Letters B 322:3 (1994) 287-300

Authors:

M Derrick, D Krakauer, S Magill, B Musgrave, J Repond, S Repond, R Stanek, RL Talaga, J Thron, F Arzarello, R Ayad, G Bari, M Basile, L Bellagamba, D Boscherini, A Bruni, G Bruni, P Bruni, G Cara Romeo, G Castellini, M Chiarini, L Cifarelli, F Cindolo, F Ciralli, A Contin, C Del Papa, S D'Auria, F Frasconi, P Giusti, G Iacobucci, G Laurenti, G Levi, Q Lin, G Maccarrone, A Margotti, T Massam, R Nania, C Nemoz, F Palmonari, G Sartorelli, R Timellini, Y Zamora Garcia, A Zichichi, A Bargende, J Crittenden, K Desch, B Diekmann, T Doeker, L Feld, A Frey, M Geerts, G Geitz, H Hartmann, D Haun, K Heinloth, E Hilger, HP Jakob, UF Katz, S Kramarczyk, M Kückes, A Mass, S Mengel, J Mollen, H Müsch, E Paul, R Schattevoy, JL Schneider, D Schramm, R Wedemeyer, A Cassidy, DG Cussans, N Dyce, B Foster, S George, R Gilmore, GP Heath, HF Heath, M Lancaster, TJ Llewellyn, CJS Morgado, JA O'Mara, RJ Tapper, SS Wilson, R Yoshida, RR Rau, M Arneodo, M Schioppa, G Susinno, A Bernstein, A Caldwell, I Gialas, JA Parsons, S Ritz, F Sciulli, PB Straub, L Wai, S Yang, P Borzemski, J Chwastowski, A Eskreys

Abstract:

Jets in photoproduction events have been studied with the ZEUS detector for γp centre-of-mass energies ranging from 130 to 250 GeV. The inclusive jet distributions give evidence for the dominance of resolved photon interactions. In the di-jet sample the direct processes are for the first time clearly isolated. Di-jet cross sections for the resolved and direct processes are given in a restricted kinematic range. © 1994.
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Summary of the activities of the structure function working group

Journal of Physics G: Nuclear and Particle Physics 19:10 (1993) 1601-1603

Authors:

AM Cooper-Sarkar, WJ Stirling

Abstract:

The main areas covered in the sessions of the structure function working group are summarized as an introduction to the subsequent articles.
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Measurement of the proton structure function F2 in ep scattering at HERA

Physics Letters B 316:2-3 (1993) 412-426

Authors:

M Derrick, D Krakauer, S Magill, B Musgrave, J Repond, S Repond, R Stanek, RL Talaga, J Thron, F Arzarello, R Ayad, G Bari, M Basile, L Bellagamba, D Boscherini, A Bruni, G Bruni, P Bruni, G Cara Romero, G Castellini, M Chiarini, L Cifarelli, F Cindolo, F Ciralli, A Contin, S D'Auria, C Del Papa, F Frasconi, P Giusti, G Iacobucci, G Laurenti, G Levi, O Lin, B Losowski, G Maccarrone, A Margotti, T Massam, D Monaldi, R Nania, C Nemoz, F Palmonari, G Sartorelli, R Timellini, Y Zamora Garcia, A Zichini, A Bargende, J Crittenden, K Desch, B Diekmann, T Doeker, A Frey, M Geerts, G Geitz, H Hartmann, D Haun, K Heinloth, E Hilger, HP Jacob, S Kramaczyk, M Kückes, A Mass, S Mengel, J Mollen, H Müsch, E Paul, R Schattevoy, JL Schneider, D Schramm, R Wedemeyer, A Cassidy, DG Cussans, N Dyce, B Foster, S George, R Gilmore, GP Heath, HF Heath, M Lancaster, TJ Llwellyn, CJS Morgado, JA O'Mara, RJ Tapper, SS Wilson, R Yoshida, RR Rau, M Arneodo, M Schioppa, G Susinno, A Bernstein, A Caldwell, I Gialas, JA Parsons, S Ritz, F Sciulli, PB Straub, L Wai, S Yang, P Borzemski, J Chwastowski, A Dwuraźny

Abstract:

This paper presents our first measurement of the F2 structure function in neutral-current, deep inelastic scattering using the ZEUS detector at HERA, the ep colliding beam facility at DESY. The data correspond to an integrated luminosity of 24.7 nb-1. Results are presented for data in range of Q2 from 10 GeV2 to 4700 GeV2 and Bjorken x down to 3.0 × 10-4. The F2 structure function increases rapidly as x decreases. © 1993.
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Search for excited electrons using the ZEUS detector

Physics Letters B 316:1 (1993) 207-218

Authors:

M Derrick, D Krakauer, S Magill, B Musgrave, J Repond, S Repond, R Stanek, RL Talaga, J Thron, F Arzarello, R Ayad, G Bari, M Basile, L Bellagamba, D Boscherini, A Bruni, G Bruni, P Bruni, G Cara Romeo, G Castellini, M Chiarini, L Cifarelli, F Cindolo, F Ciralli, A Contin, S D'Auria, C Del Papa, F Frasconi, P Giusti, G Iacobucci, G Laurenti, G Levi, Q Lin, B Lisowski, G Maccarrone, A Margotti, T Massam, R Nania, C Memoz, F Palmonari, G Sartorelli, R Timellini, Y Zamora Garcia, A Zichichi, A Bargende, J Crittenden, H Dabbous, K Desch, B Diekmann, T Doeker, M Geerts, G Geitz, H Hartmann, D Haun, K Heinloth, E Hilger, HP Jakob, S Kramarczyk, M Kückes, A Mass, S Mengel, J Mollen, D Monaldi, H Müsch, E Paul, R Schattevoy, JL Schneider, D Schramm, R Wedemeyer, A Cassidy, DG Cussans, N Dyce, B Foster, R Gilmore, GP Heath, HF Heath, M Lancaster, TJ Llewellyn, J Malos, CJS Morgado, RJ Tapper, SS Wilson, R Yoshida, RR Rau, M Arneodo, T Barillari, M Schioppa, G Susinno, A Bernstein, A Caldwell, I Gialas, JA Parsons, S Ritz, F Sciulli, PB Straub, L Wai, S Yang, J Chwastowski, A Dwuraźny, A Eskreys

Abstract:

This paper reports a search for excited electrons at the HERA electron-proton collider. In a sample corresponding to an integrated luminosity of 26 nb-, no evidence was found for any resonant state decaying into e-γ, νW- or e-Z0. Limits on the coupling strength of an excited electron have been determined for masses between 45 and 225 GeV. This study also reports the observation of the wide-angle eγ Compton scattering process. © 1993.
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Observation of events with a large rapidity gap in deep inelastic scattering at HERA

Physics Letters B Elsevier 315:3-4 (1993) 481-493

Authors:

ZEUS Collaboration, M Derrick, D Krakauer, S Magill, B Musgrave, J Repond, S Repond, R Stanek, RL Talaga, J Thron, F Arzarello, R Ayad, G Bari, M Basile, L Bellagamba, D Boscherini, A Bruni, G Bruni, P Bruni, G Cara Romeo, G Castellini, M Chiarini, L Cifarelli, F Cindolo, F Ciralli, A Contin, S D'Auria, C Del Papa, F Frasconi, P Giusti, G Iacobucci, G Laurenti, G Levi, Q Lin, B Lisowski, G Maccarrone, A Margotti, T Massam, R Nania, C Nemoz, F Palmonari, G Sartorelli, R Timellini, Y Zamora Garcia, A Zichichi, A Bargende, J Crittenden, K Desch, B Diekmann, T Doeker, A Frey, M Geerts, G Geitz, H Hartmann, D Haun, K Heinloth, E Hilger, H-P Jakob, S Kramarczyk, M Kückes, A Mass, S Mengel, J Mollen, D Monaldi, H Müsch, E Paul, R Schattevoy, J-L Schneider, D Schramm, R Wedemeyer, A Cassidy, DG Cussans, N Dyce, B Foster, R Gilmore, GP Heath, HF Heath, M Lancaster, TJ Llewellyn, J Malos, CJS Morgado, RJ Tapper, SS Wilson, R Yoshida, RR Rau, M Arneodo, M Schioppa, G Susinno, A Bernstein, A Caldwell, I Gialas, JA Parsons, S Ritz, F Sciulli, PB Straub, L Wai, S Yang, P Borzemski, J Chwastowski, A Dwuraźny, A Eskreys, Z Jakubowski, B Niziol, K Piotrzkowski, M Zachara, L Zawiejski, L Adamczyk, B Bednarek, K Eskreys, K Jeleń, D Kisielewska, T Kowalski, E Rulikowska-Zarȩbska, L Suszycki, J Zaja̧c, T Kȩdzieski, A Kotański, M Przybycień, LAT Bauerdick, U Behrens, JK Bienlein, S Böttcher, C Coldewey, A Dannemann, G Drews, P Erhard, M Flasiński, I Fleck, R Gläser, P Göttlicher, B Gutjahr, T Haas, L Hagge, W Hain, D Hasell, H Hultschig, G Jahnen, P Joos, M Kasemann, R Klanner, W Koch, L Köpke, U Kötz, H Kowalski, W Kröger, J Krüger, J Labs, A Ladage, B Löhr, M Löwe, D Lüke, J Mainusch, O Manczak, M Momayezi, JST Ng, S Nickel, D Notz, K-U Pösnecker, M Rohde, J Roldán, E Ros, U Schneekloth, J Schroeder, W Schulz, F Selonke, E Stiliaris, E Tscheslog, T Tsurugai, W Vogel, G Wolf, C Youngman, HJ Grabosch, A Leich, A Meyer, C Rethfeldt, S Schlenstedt, G Barbagli, A Francescato, M Nuti, P Pelfer, G Anzivino, R Casaccia, S De Pasquale, S Qian, L Votano, A Bamberger, A Freidhof, T Poser, S Söldner-Rembold, G Theisen, T Trefzger, NH Brook, PJ Bussey, AT Doyle, JR Forbes, VA Jamieson, C Raine, DH Saxon, H Brückmann, G Gloth, U Holm, H Kammerlocher, B Krebs, T Neumann, K Wick, A Fürtjes, E Lohrmann, J Milewski, M Nakahata, N Pavel, G Poelz, W Schott, J Terron, F Zetsche, TC Bacon, R Beuselinck, I Butterworth, E Gallo, VL Harris, DB Miller, A Prinias, JK Sedgbeer, A Vorvolakos, A Whitfield, T Bienz, H Kreutzmann, U Mallik, E McCliment, M Roco, MZ Wang, P Cloth, D Filges, SH An, SM Hong, CO Kim, TY Kim, SW Nam, SK Park, MH Suh, SH Yon, R Imlay, S Kartik, H-J Kim, RR McNeil, W Metcalf, VK Nadendla, F Barreiro, G Cases, L Hervás, L Labarga, J del Peso, JF de Trocóniz, F Ikraiam, JK Mayer, GR Smith, F Corriveau, DJ Gilkinson, DS Hanna, J Hartmann, LW Hung, JN Lim, R Meijer Drees, JW Mitchell, PM Patel, LE Sinclair, DG Stairs, M St.Laurent, R Ullmann, GL Bashindzhagyan, PF Ermolov, LK Gladilin, YA Golubkov, VA Kuzmin, EN Kuznetsov, AA Savin, AG Voronin, NP Zotov, S Bentvelsen, M Botje, A Dake, J Engelen, P de Jong, M de Kamps, P Kooijman, A Kruse, H van der Lugt, V O'Dell, A Tenner, H Tiecke, H Uijterwaal, M Vreeswijk, L Wiggers, E de Wolf, R van Woudenberg, B Bylsma, LS Durkin, K Honscheid, C Li, TY Ling, KW McLean, WN Murray, IH Park, TA Romanowski, R Seidlein, GA Blair, A Byrne, RJ Cashmore, AM Cooper-Sarkar, RCE Devenish, DM Gingrich, PM Hallam-Baker, N Harnew, T Khatri, KR Long, P Luffman, I McArthur, P Morawitz, J Nash, SJP Smith, NC Roocroft, FF Wilson, G Abbiendi, R Brugnera, R Carlin, F Dal Corso, M De Giorgi, U Dosselli, F Gasparini, S Limentani, M Morandin, M Posocco, L Stanco, R Stroili, C Voci, JM Butterworth, J Bulmahn, G Feild, BY Oh, J Whitmore, U Contino, G D'Agostini, M Guida, M Iori, SM Mari, G Marini, M Mattioli, A Nigro, JC Hart, NA McCubbin, K Prytz, TP Shah, TL Short, E Barberis, N Cartiglia, C Heusch, B Hubbard, J Leslie, W Lockman, K O'Shaughnessy, HF Sadrozinski, A Seiden, D Zer-Zion, E Badura, J Biltzinger, RJ Seifert, AH Walenta, G Zech, S Dagan, A Levy, T Hasegawa, M Hazumi, T Ishii, S Kasai, M Kuze, S Mine, Y Nagasawa, T Nagira, M Nakao, H Okuno, I Suzuki, K Tokushuku, S Yamada, Y Yamazaki, M Chiba, R Hamatsu, T Hirose, S Kitamura, S Nagayama, Y Nakamitsu, R Cirio, M Costa, MI Ferrero, L Lamberti, S Maselli, C Peroni, A Solano, A Staiano, M Dardo, DC Bailey, D Bandyopadhyay, F Bernard, S Bhadra, M Brkic, BD Burow, FS Chlebana, MB Crombie, GF Hartner, GM Levman, JF Martin, RS Orr, JD Prentice, CR Sampson, GG Stairs, RJ Teuscher, T-S Yoon, FW Bullock, CD Catterall, JC Giddings, TW Jones, AM Khan, JB Lane, PL Makkar, D Shaw, J Shulman, K Blankenship, J Kochocki, B Lu, LW Mo, K Charchuła, J Ciborowski, J Gajewski, G Grzelak, M Kasprzak, M Krzyżanowski, K Muchorowski, RJ Nowak, JM Pawlak, A Stopczyński, T Tymieniecka, R Walczak, AK Wróblewski, JA Zakrzewski, AF Żarnecki, M Adamus, H Abramowicz, Y Eisenberg, C Glasman, U Karshon, A Montag, D Revel, A Shapira, C Foudas, C Fordham, RJ Loveless, A Goussiou, I Ali, B Behrens, S Dasu, DD Reeder, WH Smith, S Silverstein, WR Frisken, KM Furutani, Y Iga
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