Evidence for exclusive ηc production in γγ interactions

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. Michelsen, K. H. PapeB. 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. 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

We observe for evidence for γγ → ηc production in the reaction e+e- → e+e-KS 0K± π. The product Γγγc)·B(ηc → KS 0K±π) is measured to be 0.5-0.15 +0.2±0.1 keV.

Original languageEnglish
Pages (from-to)120-126
Number of pages7
JournalPhysics Letters B
Volume167
Issue number1
DOIs
StatePublished - 30 Jan 1986

Funding

FundersFunder number
Basic Research Foundation
Israeli Academy of Sciences and Humanities
Norwegian Council for Science and the Humanities
Sezione di Roma
UK Science and Engineering Research Council
U.S. Department of Energy
Instituto Nazionale di Fisica Nucleare
Bundesministerium für Forschung und Technologie

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