Higher baryon resonances in carbon-carbon collisions at 4.2 GeV/c per nucleon
Faculty of Physics, University of Belgrade, P.O. Box 368, 11001, Belgrade, Serbia and Montenegro
2 Institute of Nuclear Sciences “Vinča”, P.O. Box 522, 11001, Belgrade, Serbia and Montenegro
3 Faculty of Natural Sciences and Mathematics, University of Montenegro, P.O. Box 211, 81001, Podgorica, Serbia and Montenegro
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The production of the N(1440), the so-called Roper, and N(1520) resonances in high-energy collisions of carbon nuclei with the carbon nucleus, using a 2 m propane bubble chamber, was investigated. Attention was paid to the two-pion decay mode of the higher baryon resonances. From the invariant masses of three-particle states the mass and width of the resonances were obtained. The ratio of the resonances decay to and states was estimated.
© Società Italiana di Fisica and Springer-Verlag, 2004