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The timing and control system of the ZEUS Tracking Detector data acquisition electronics

IEEE Transactions on Nuclear Science Institute of Electrical and Electronics Engineers (IEEE) 41:4 (1994) 1255-1259

Authors:

SB Galagedera, D Allen, SA Baird, I Church, P Hardy, PA Hawthorne, S Jaroslawski, J Jarrett, MS Madani Bozorg, R Matson, SPH Quinton, A Cassidy, D Cussans, HF Heath, B Foster, CJS Morgado, RJ Tapper
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APC3-A CHARGE SAMPLING, STORAGE AND READOUT CHIP FOR SILICON DETECTOR READOUT

IEEE T NUCL SCI 41:4 (1994) 1091-1094

Authors:

K BORER, DJ MUNDAY, MA PARKER, F ANGHINOLFI, P ASPELL, M CAMPBELL, P JARRON, EHM HEIJNE, JC SANTIARD, H VERWEIJ, C GOSSLING, A REICHOLD, R BONINO, AG CLARK, H KAMBARA, D LAMARRA, A LEGER, JP RICHEAUX, X WU, F FARES, J BIBBY, A WEIDBERG, D CAMPBELL, P MURRAY, P SELLER, M ROUGET, J TEIGER
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THE PERFORMANCE OF THE FADC SYSTEM FOR THE ZEUS CENTRAL TRACKING DETECTOR

IEEE T NUCL SCI 41:4 (1994) 1250-1254

Authors:

CJS MORGADO, A CASSIDY, D CUSSANS, B FOSTER, R GILMORE, HF HEATH, J MALOS, RJ TAPPER, SA BAIRD, SB GALAGADERA, P HARDY, S JAROSLAWSKI, R MATSON, SPH QUINTON
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Observation of jet production in deep inelastic scattering with a large rapidity gap at HERA

Physics Letters B 332:1-2 (1994) 228-243

Authors:

M Derrick, D Krakauer, S Magill, B Musgrave, J Repond, J Schlereth, R Stanek, RL Talaga, J Thron, F Arzarello, R Ayad, G Bari, M Basile, L Bellagamba, D Boscherini, A Bruni, G Bruni, P Bruni, GC 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, G Maccarrone, A Margotti, T Massam, R Nania, C Nemoz, F Palmonari, G Sartorelli, R Timellini, YZ 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, A Mass, S Mengel, J Mollen, E Paul, C Rembser, R Schattevoy, JL Schneider, D Schramm, J Stamm, R Wedemeyer, S Campbell-Robson, A Cassidy, N Dyce, B Foster, S George, R Gilmore, GP Heath, HF Heath, TJ Llewellyn, CJS Morgado, DJP Norman, 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, K Piotrzkowski

Abstract:

Events with a large rapidity gap in deep inelastic scattering with Q2 ≥ 10 GeV2 have been studied in the ZEUS detector. The properties of these events with W > 140 GeV are consistent with a leading twist diffractive production mechanism. In the laboratory frame, with ETjet ≥ 4 GeV, 15% of the events are of the 1-jet type with negligible 2-jet production. The single jet is back-to-back in azimuth with the scattered electron. No energy flow is observed between the jet and the proton direction. With a lower jet transverse energy cut 2-jet production is observed both in the laboratory and the γ* p centre-of-mass systems, demonstrating the presence of hard scattering in the virtual photon proton interactions that give rise to large rapidity gap events. © 1994.
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Evidence for top quark production in p-barp collisions at sqrt s =1.8 TeV.

Physical review letters 73:2 (1994) 225-231

Authors:

F Abe, MG Albrow, SR Amendolia, D Amidei, J Antos, C Anway-Wiese, G Apollinari, H Areti, P Auchincloss, M Austern, F Azfar, P Azzi, N Bacchetta, W Badgett, MW Bailey, J Bao, de Barbaro P, A Barbaro-Galtieri, VE Barnes, BA Barnett, P Bartalini, G Bauer, T Baumann, F Bedeschi, S Behrends, S Belforte, G Bellettini, J Bellinger, D Benjamin, J Benlloch, J Bensinger, D Benton, A Beretvas, JP Berge, S Bertolucci, A Bhatti, K Biery, M Binkley, F Bird, D Bisello, RE Blair, C Blocker, A Bodek, V Bolognesi, D Bortoletto, C Boswell, T Boulos, G Brandenburg, E Buckley-Geer, HS Budd, K Burkett, G Busetto, A Byon-Wagner, KL Byrum, C Campagnari, M Campbell, A Caner, W Carithers, D Carlsmith, A Castro, Y Cen, F Cervelli, J Chapman, M Cheng
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