Direct photon production in $$\bar pp$$ in collisions at $$\sqrt s = 630$$ GeV

R. Ansari, P. Bagnaia,M. Banner,R. Battiston,K. Bernlöhr,C. Booth,K. Borer,M. Borghini, G. Carboni,V. Cavasinni,P. Cenci,J.-C. Chollet,A. G. Clark, C. Conta,C. Corona,F. Costantini,P. Darriulat,B. Lotto,T. Prete,L. Lella,J. Dines Hansen, K. Einsweiler,L. Fayard,R. Ferrari, M. Fraternali, D. Froidevaux,J.-M. Gaillard,O. Gildemeister,V. G. Goggi,C. Gössling,B. Hahn, H. Hänni,J. R. Hansen,P. Hansen, K. Hara, N. Harnew, H. Hugentobler,E. Iacopini,L. Iconomidou-Fayard, K. Jakobs,P. Jenni,E. E. Kluge,O. Kofoed-Hansen,S. Lami,E. Lançon, P. Lariccia,M. Livan,S. Loucatos,B. Madsen,B. Mansoulié,G. C. Mantovani, L. Mapelli,K. Meier,B. Merkel,R. Møllerud,M. Moniez,R. Moning,M. Morganti,C. Onions,T. Pal,M. A. Parker,G. Parrour,F. Pastore,M. Pepe, C. Petridou,H. Plothow-Besch,M. Polverel,L. Rasmussen, J.-P. Repellin, A. Roussarie,V. Ruhlmann, G. Sauvage,J. Schacher, S. Stapnes,F. Stocker,M. Swartz,J. Teiger,W. Y. Tsang,M. Valdata-Nappi,V. Vercesi,A. R. Weidberg,M. Wunsch,H. Zaccone

European Physical Journal C（1988）

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摘要

A measurement of the direct production of photons with high transverse momentum from$\bar pp$ collisions at$\sqrt s = 630$ GeV is presented. The structure of events containing a high transverse momentum photon is studied. The results support predictions from QCD theory.

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关键词

Field Theory, Elementary Particle, Quantum Field Theory, Transverse Momentum, Direct Production

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