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Direct photon production at the CERN p̄p collider

Physics Letters B 176:1-2 (1986) 239-246

Authors:

JA Appel, P Bagnaia, M Banner, R Battiston, K Bernlöhr, K Borer, M Borghini, G Carboni, V Cavasinni, P Cenci, JC Chollet, AG Clark, C Conta, P Darriulat, B De Lotto, T Del Prete, LD Dilella, J Dines-Hansen, K Einsweiler, R Engelmann, L Fayard, M Fraternali, D Froidevaux, JM Gaillard, O Gildemeister, VG Goggi, C Gössling, B Hahn, H Hänni, JR Hansen, P Hansen, N Harnew, T Himel, L Iconomidou-Fayard, K Jacobs, P Jenni, EE Kluge, O Kofoedo.Kofoed-Hansen, E Lançon, M Livan, S Loucatos, B Madsen, P Mani, B Mansoulié, GC Mantovani, L Mapelli, K Meier, B Merkel, R Mollerud, M Moniez, R Moning, M Morganti, C Onions, MA Parker, G Parrour, F Pastore, M Pepe, H Plothow-Besch, M Polverel, JP Repellin, AF Rothenberg, A Roussarie, V Ruhlmann, G Sauvage, J Schacher, M Schlötelburg, F Stocker, M Swartz, J Teiger, SN Tovey, WY Tsang, M Valdata-Nappi, V Vercesi, AR Weidberg, M Wunsch, H Zaccone

Abstract:

Using the UA2 apparatus, the inclusive cross section has been measured for production of high-pT direct photons in p̄p collisions at s=546 GeV and s=630 GeV. The results are in good agreement with QCD predictions. © 1986.
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Measurement of the F-meson lifetime.

Phys Rev Lett 56:17 (1986) 1775-1778

Authors:

C Jung, S Abachi, C Akerlof, P Baringer, I Beltrami, D Blockus, G Bonvicini, B Brabson, JM Brom, BG Bylsma, J Chapman, B Cork, R DeBonte, M Derrick, D Errede, KK Gan, SW Gray, J Guillaud, N Harnew, P Kesten, D Koltick, P Kooijman, FJ Loeffler, JS Loos, EH Low, RL McIlwain, DI Meyer, DH Miller, B Musgrave, H Neal, CR Ng, D Nitz, H Ogren, LE Price, LK Rangan, J Repond, DR Rust, J Schlereth, EI Shibata, K Sugano, R Thun, T Trinko, M Valdata-Nappi, JM Weiss, M Willutzky, DE Wood
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Lambda production in e+e- annihilations at 29 GeV: Comparison with Lund-model predictions.

Phys Rev Lett 56:13 (1986) 1346-1349

Authors:

P Baringer, S Abachi, C Akerlof, I Beltrami, D Blockus, G Bonvicini, B Brabson, JM Brom, BG Bylsma, J Chapman, B Cork, R DeBonte, M Derrick, M Daigo, D Errede, KK Gan, SW Gray, J Guillaud, N Harnew, C Jung, P Kesten, D Koltick, P Kooijman, FJ Loeffler, JS Loos, EH Low, RL McIlwain, DI Meyer, DH Miller, B Musgrave, H Neal, D Nitz, CR Ng, H Ogren, LE Price, LK Rangan, DR Rust, J Schlereth, AA Seidl, EI Shibata, K Sugano, R Thun, T Trinko, M Valdata-Nappi, JM Weiss, M Willutzky, DE Wood
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Upper limit on the tau-neutrino mass.

Phys Rev Lett 56:10 (1986) 1039-1042

Authors:

S Abachi, C Akerlof, P Baringer, I Beltrami, D Blockus, G Bonvicini, B Brabson, BG Bylsma, J Chapman, B Cork, R DeBonte, M Derrick, D Errede, KK Gan, SW Gray, N Harnew, C Jung, P Kesten, D Koltick, P Kooijman, FJ Loeffler, JS Loos, EH Low, RL McIlwain, DI Meyer, DH Miller, B Musgrave, H Neal, D Nitz, CR Ng, H Ogren, LE Price, LK Rangan, DR Rust, J Schlereth, AA Seidl, EI Shibata, K Sugano, R Thun, T Trinko, M Valdata-Nappi, JM Weiss, M Willutzky, DE Wood
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Rapidity dependence of the charged particle multiplicity distributions in e+e- annihilation at 29 GeV

Physics Letters B 168:3 (1986) 299-304

Authors:

M Derrick, KK Gan, P Kooijman, JS Loos, B Musgrave, LE Price, J Schlereth, K Sugano, JM Weiss, DE Wood, D Blockus, B Brabson, 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, DI Meyer, D Nitz, AA Seidl, R Thun, T Trinko, M Willutzky, S Abachi, P Baringer, I Beltrami, BG Bylsma, R Debonte, D Koltick, FJ Loeffler, EH Low, RL McIlwain, DH Miller, CR Ng, LK Rangan, EI Shibata, B Cork

Abstract:

The charged particle multiplicity distribution for e+e- annihilations at s = 29 GeV has been measured using the High Resolution Spectrometer at PEP. The multiplicity distribution, expressed as a function of the mean, shows KNO scaling when compared to e+e- data at other energies. Multiplicity distributions for particles selected in different central rapidity spans are presented. All of these are well presented by the Negative binomial distribution. As the rapidity span is narrowed, the distributions become broader and approach a constant value of the parameter k. © 1986.
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