A spin-parity analysis of γγ→ϱ+ϱ-

H. Albrecht, H. Ehrlichmann, T. Hamacher, A. Krüger, A. Nau, A. Nippe, M. Reidenbach, M. Schäfer, H. Schröder, H. D. Schulz, F. Sefkow, R. Wurth, R. D. Appuhn, C. Hast, G. Herrera, H. Kolanoski, A. Lange, A. Lindner, R. Mankel, M. SchieberG. Schweda, T. Siegmund, B. Spaan, H. Thurn, A. Walther, D. Wegener, M. Paulini, K. Reim, U. Volland, H. Wegener, R. Mundt, T. Oest, W. Schmidt-Parzefall, W. Funk, J. Stiewe, S. Werner, S. Ball, J. C. Gabriel, C. Geyer, A. Hölscher, W. Hofmann, B. Holzer, S. Khan, K. T. Knöpfle, J. Spengler, D. I. Britton, C. E.K. Charlesworth, K. W. Edwards, H. Kapitza, P. Krieger, R. Kutschke, D. B. MacFarlane, R. S. Orr, P. M. Patel, J. D. Prentice, S. C. Seidel, G. Tsipolitis, K. Tzamariudaki, R. G. Van de Water, T. S. Yoon, D. Ressing, S. Schael, K. R. Schubert, K. Strahl, R. Waldi, S. Weseler, B. Boštjančič, G. Kernel, P. Križan, P. Križnič, T. Živko, H. I. Cronström, L. Jönsson, A. Babaev, V. Balagura, M. Danilov, A. Droutskoy, B. Fominykh, A. Golutvin, I. Gorelov, F. Ratnikov, V. Lubimov, A. Rostovtsev, A. Semenov, S. Semenov, V. Shevchenko, V. Soloshenko, I. Tichomirov, Yu Zaitsev, R. Childers, C. W. Darden

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Abstract

A spin-parity analysis of the ρ{variant}+ρ{variant}- system in the reaction γγ→ρ{variant}+ρ{variant}- →Π+Π-Π0Π0 has been performed using the ARGUS detector at the e+e- storage ring DORIS II at DESY. The cross section is found to be dominated by the amplitudes JP = 0+ and JP = 2+ (Jz = 2).

Original languageEnglish
Pages (from-to)535-540
Number of pages6
JournalPhysics Letters B
Volume267
Issue number4
DOIs
StatePublished - 26 Sep 1991
Externally publishedYes

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