Pion pair production in photon-photon interactions

Ch Berger*, A. Deuter, H. Genzel, W. Lackas, J. Pielorz, F. Raupach, W. Wagner, A. Llovning, 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, 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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The process γγπ+π- has been measured with complete particle identification. Cross-sections are presented from near threshold up to the region of the f(1270). In the mass range 0.5-0.7 GeV, crosssections are lower than the Born term predictions and show no evidence for an ε(600). The two-photon width of the f(1270) is found to be in agreement with previous results.

Original languageEnglish
Pages (from-to)199-207
Number of pages9
JournalEuropean Physical Journal C
Volume26
Issue number2
DOIs
StatePublished - Jun 1984

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