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

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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