Jet Production in Photon-Photon Interactions

PLUTO Collaboration,Ch. berger,H. Genzel,W. Lackas,J. Pielorz,F. Raupach,W. Wagner,A. Klovning,E. Lillestöl,J. Bürger,L. Criegee,A. Deuter,F. Ferrarotto,G. Franke,M. Gaspero,Ch. Gerke,G. Knies,B. Lewendel,J. Meyer, U. Michelson,K. H. Pape,B. Stella,U. Timm,G. G. Winter,M. Zachara,W. Zimmermann,P. J. Bussey,S. L. Cartwright,J. B. Dainton,D. Hendry,B. T. King,C. Raine,J. M. Scarr,I. O. Skillicorn, K. M. Poppe,J. C. Thomson,O. Achterberg,V. Blobel,D. Burkart,K. Diehlmann,M. Feindt,H. Kapitza,B. Koppitz,M. Krüger, M. Poppe,H. Spitzer,R. van Staa,C. Y. Chang,R. G. Glasser,R. G. Kellogg,S. J. Maxfield,R. O. Polvado,B. Sechi-Zorn,J. A. Skard,A. Skuja,A. J. Tylka,G. E. Welch,G. T. Zorn,F. Almeida,A. Bäcker,F. Barreiro,S. Brandt,K. Derikum,C. Grupen,H. J. Meyer,H. Müller,B. Neumann,M. Rost,K. Stupperich,G. Zech,G. Alexander,G. Bella,Y. Gnat,J. Grunhaus,H. Junge,K. Kraski,C. Maxeiner,H. Maxeiner,H. Meyer,D. Schmidt

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS（1987）

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摘要

We present results on jet production in γγ interactions where both photons are quasi-real. The invariant masses of the hadronnic system are limited to the range 4≦Wvis≦12 GeV/c2. The data approach the quark-Parton-Model (QPM) expectation at the highestp T jet values (≧4 GeV/c). Jet production at lowp T (≦1 GeV/c) can be described by a Vector Dominance derived model. The data also have a component with no apparent jet structure in the range, 1.0 ≦P T jet ≦4.0 GeV/c which can be described by phase space or by models of the QCD hard scattering processes cesses\(\gamma \gamma \to q\bar qg\) and\(\gamma \gamma \to q\bar qq\bar q\)

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关键词

Field Theory,Phase Space,Elementary Particle,Quantum Field Theory,Invariant Masse

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