A measurement of the Q2 and W dependence of the γγ total cross section for hadron production

Ch Berger*, A. Deuter, H. Genzel, W. Lackas, J. Pielorz, F. Raupach, W. Wagner, A. Klovning, E. Lillestöl, J. Bürger, L. Criegee, F. Ferrarotto, G. Franke, M. Gaspero, Ch Gerke, G. Knies, B. Lewendel, J. Meyer, U. Michelsen, K. H. PapeB. Stella, U. Timm, G. G. Winter, M. Zachara, W. Zimmermann, P. J. Bussey, S. L. Cartwright, J. B. Dainton, B. T. King, C. Raine, J. M. Scarr, I. O. Skillicorn, K. M. Smith, 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, A. 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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A measurement of the γγ total cross section, σγγ(Q2W), is presented for the Q2 range 0.1 to 100 GeV2, and for the mass W of the hadronic final state between 1.5 and 10 GeV. The dependence of σγγ on both Q2 and W is measured. The results are compared with theoretical predictions. It is found that the data are well described by a sum of quarkparton model and vector dominance contributions.

Original languageEnglish
Pages (from-to)353-358
Number of pages6
JournalEuropean Physical Journal C
Volume26
Issue number3
DOIs
StatePublished - Sep 1984

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