Measurement of the production of high-massγ γ, π0 π0, and γ π0 pairs in π-p, π+p, and pp collisions at 300 GeV/c

C. De Marzo, M. De Palma, C. Favuzzi, G. Maggi, E. Nappi, F. Posa, A. Ranieri, G. Selvaggi, P. Spinelli, A. Bamberger, M. Fuchs, W. Heck, C. Loos, R. Marx, K. Runge, E. Skodzek, C. Weber, M. Wülker, F. Zetsche, V. ArtemievYu Galaktionov, A. Gordeev, Yu Gorodkov, Yu Kamyshkov, V. Plyaskin, V. Pojidaev, V. Shevchenko, E. Shumilov, V. Tchudakov, J. Bunn, J. Fent, P. Freund, J. Gebauer, M. Glas, P. Polakos, K. Pretzl, T. Schouten, P. Seyboth, J. Seyerlein, G. Vesztergombi

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12 Citations (Scopus)

Abstract

The NA24 experiment at CERN investigated inclusive, 00, and 0 final states in the mass range between 4 and 9 GeV/c2 produced in -p, +p, and pp reactions at a c.m.-system energy s=23.7 GeV. The 00 cross sections agree well with expectations of the quark-parton model. For 0 production in -p and pp reactions, a clear signal is observed and cross sections are shown. The production of events was observed with a statistical significance of 2.9 in -p reactions. The cross section is in agreement with a higher-order QCD prediction.

Original languageEnglish
Pages (from-to)748-758
Number of pages11
JournalPhysical Review D
Volume42
Issue number3
DOIs
Publication statusPublished - 1990
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    De Marzo, C., De Palma, M., Favuzzi, C., Maggi, G., Nappi, E., Posa, F., Ranieri, A., Selvaggi, G., Spinelli, P., Bamberger, A., Fuchs, M., Heck, W., Loos, C., Marx, R., Runge, K., Skodzek, E., Weber, C., Wülker, M., Zetsche, F., ... Vesztergombi, G. (1990). Measurement of the production of high-massγ γ, π0 π0, and γ π0 pairs in π-p, π+p, and pp collisions at 300 GeV/c. Physical Review D, 42(3), 748-758. https://doi.org/10.1103/PhysRevD.42.748