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DIRECT PHOTON PRODUCTION IN PBARP COLLISIONS AT SQUARE-ROOT-S=630 GEV

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 41:3 (1988) 395-404

Authors:

R ANSARI, P BAGNAIA, M BANNER, R BATTISTON, K BERNLOHR, C BOOTH, K BORER, M BORGHINI, G CARBONI, V CAVASINNI, P CENCI, JC CHOLLET, AG CLARK, C CONTA, C CORONA, F COSTANTINI, P DARRIULAT, B DELOTTO, T DELPRETE, L DILELLA, JD HANSEN, K EINSWEILER, L FAYARD, R FERRARI, M FRATERNALI, D FROIDEVAUX, JM GAILLARD, O GILDEMEISTER, VG GOGGI, C GOSSLING, B HAHN, H HANNI, JR HANSEN, P HANSEN, K HARA, N HARNEW, H HUGENTOBLER, E IACOPINI, L ICONOMIDOUFAYARD, K JAKOBS, P JENNI, EE KLUGE, O KOFOEDHANSEN, S LAMI, E LANCON, P LARICCIA, M LIVAN, S LOUCATOS, B MADSEN, B MANSOULIE, GC MANTOVANI, L MAPELLI, K MEIER, B MERKEL, R MOLLERUD, M MONIEZ, R MONING, M MORGANTI, C ONIONS, T PAL, MA PARKER, G PARROUR, F PASTORE, M PEPE, C PETRIDOU, H PLOTHOWBESCH, M POLVEREL, L RASMUSSEN, JP REPELLIN, A ROUSSARIE, V RUHLMANN, G SAUVAGE, J SCHACHER, S STAPNES, F STOCKER, M SWARTZ, J TEIGER, WY TSANG, M VALDATANAPPI, V VERCESI, AR WEIDBERG, M WUNSCH, H ZACCONE
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Search for exotic processes at the CERN pp̄ collider

Physics Letters B 195:4 (1987) 613-622

Authors:

R Ansari, P Bagnala, M Banner, R Battiston, K Bernlöhr, CN Booth, K Borer, M Borghini, G Carboni, V Cavasinni, P Cenci, JC Chollet, AG Clark, C Conta, F Costantini, P Darriulat, B De Lotto, T Del Prete, L Di Lella, J Dines-Hansen, K Einsweiler, L Fayard, R Ferrari, M Fraternali, D Froidevaux, JM Gaillard, O Gildemeister, VG Goggi, C Gössling, B Hahn, H Hänni, JR Hansen, P Hansen, K Hara, N Harnew, E Hugentobler, E Iacopini, L Iconomidou-Fayard, K Jacobs, P Jenni, EE Kluge, O Kofoed-Hansen, E Lançon, P Lariccia, M Livan, S Loucatos, B Madsen, B Mansoulié, GC Mantovani, L Mapelli, K Meier, B Merkel, R Mollerud, M Moniez, R Moning, M Morganti, C Onions, T Pal, MA Parker, G Parrour, F Pastore, M Pepe, C Petridou, H Plothow-Besch, M Polverel, L Rasmussen, JP Repellin, A Roussarie, V Ruhlmann, G Sauvage, J Schacher, S Stapnes, F Stocker, M Swartz, J Teiger, WY Tsang, M Valdata-Nappi, V Vercesi, AR Weidberg, M Wunsch, H Zaccone

Abstract:

The total UA2 data sample at the CERN pp̄ Collider corresponds to an integrated luminosity of 910 nb-1. Limits on various hypothetical processes, such as production of excited electrons, additional charged or neutral vector bosons, or supersymmetric particles, are presented from the analysis of this sample. © 1987.
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Measurement of W and Z production properties at the CERN pp collider

Physics Letters B 194:1 (1987) 158-166

Authors:

R Ansari, P Bagnaia, M Banner, R Battiston, K Bernlöhr, C Booth, K Borer, M Borghini, G Carboni, V Cavasinni, P Cenci, JC Chollet, AG Clark, C Conta, F Costantini, P Darriulat, B de Lotto, T del Prete, L Dilella, J Dines-Hansen, K Einsweiler, L Fayard, R Ferrari, M Fraternali, D Froidevaux, JM Gaillard, O Gildemeister, VG Goggi, C Gössling, B Hahn, H Hänni, JR Hansen, P Hansen, K Hara, N Harnew, E Hugentobler, E Iacopini, L Iconomidou-Fayard, K Jakobs, P Jenni, EE Kluge, O Kofoed-Hansen, E Lançon, P Lariccia, M Livan, S Loucatos, B Madsen, B Mansoulié, GC Mantovani, L Mapelli, K Meier, B Merkel, R Möllerud, M Moniez, R Moning, M Morganti, C Onions, T Pal, MA Parker, G Parrour, F Pastore, M Pepe, C Petridou, H Plothow-Besch, M Polverel, L Rasmussen, JP Repellin, A Roussarie, V Ruhlmann, G Sauvage, J Schacher, F Stocker, M Swartz, J Teiger, K Tittel, SN Tovey, WY Tsang, M Valdata-Nappi, V Vercesi, AR Weidberg, M Wunsch, H Zaccone

Abstract:

A study has been made of the production characteristics of W and Z bosons produced at the CERN pp Collider. The event sample consists of 251 W→ev decays, and 39 Z→e+e- decays, identified by the UA2 detector, and corresponds to an integrated luminosity of 142 nb-1 at √s = 546 GeV, and 768 nb-1 at √s = 630 GeV. Measurements of W and Z production cross sections, of longitudinal and transverse momentum distributions, and of associated jet production, are presented. These measurements are compared with theoretical expectations, which include higher order QCD effects. © 1987.
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Hadron production in e+e- annihilation at sqrt s =29 GeV.

Phys Rev D Part Fields 35:9 (1987) 2639-2649

Authors:

M Derrick, E Fernandez, KK Gan, R Fries, L Hyman, P Kooijman, JS Loos, B Musgrave, LE Price, J Schlereth, K Sugano, JM Weiss, DE Wood, G Baranko, D Blockus, B Brabson, M Daigo, GE Forden, SW Gray, C Jung, H Neal, H Ogren, DR Rust, M Valdata-Nappi, C Akerlof, G Bonvicini, J Chapman, D Errede, N Harnew, P Kesten, S Kooijman, DI Meyer, D Nitz, D Rubin, AA Seidl, R Thun, T Trinko, M Willutzky, S Abachi, P Baringer, I Beltrami, BG Bylsma, De Bonte R, D Koltick, FJ Loeffler, EH Low, U Mallik, RL McIlwain, DH Miller, CR Ng, PP Ong, LK Rangan, EI Shibata, aR Wilson, B Cork, L Keller, J Va'vra
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Measurement of the standard model parameters from a study of W and Z bosons

Physics Letters B 186:3-4 (1987) 440-451

Authors:

R Ansari, P Bagnaia, M Banner, R Battiston, K Bernlöhr, CN Booth, K Borer, M Borghini, G Carboni, V Cavasinni, P Cenci, JC Chollet, AG Clark, C Conta, F Costantini, P Darriulat, B De Lotto, T Del Prete, L Di Lella, J Dines-Hansen, K Einsweiler, L Fayard, R Ferrari, M Fraternali, D Froidevaux, JM Gaillard, O Gildemeister, VG Goggi, C Gössling, B Hahn, H Hänni, JR Hansen, P Hansen, K Hara, N Harnew, E Hugentobler, E Iacopini, L Iconomidou-Fayard, K Jakobs, P Jenni, EE Kluge, O Kofoed-Hansen, E Lançon, P Lariccia, B Lisowski, M Livan, S Loucatos, B Madsen, B Mansoulié, GC Mantovani, L Mapelli, K Meier, B Merkel, R Möllerud, M Moniez, R Moning, M Morganti, C Onions, T Pal, MA Parker, G Parrour, F Pastore, M Pepe, C Petridou, H Plothowbesch, M Polverel, L Rasmussen, JP Repellin, A Roussarie, V Ruhlmann, G Sauvage, J Schacher, F Stocker, M Swartz, J Teiger, SN Tovey, WY Tsang, M Valdata-Nappi, V Vercesi, AR Weidberg, M Wunsch, H Zaccone, JA Zakrzewski

Abstract:

A study has been made of the decays W → ev and Z → e+e-, using the UA2 detector at the CERN p̄p Collider. The data correspond to an integrated luminosity of 142 nb-1 at a centre-of-mass collision energy √s=546 GeV, and 768 nb-1 at √s=630 GeV. Measurements of the standard model parameters from samples of 251 W decay and 39 Z decay candidates are compared with expectations of the standard electroweak model. © 1987.
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