Baryon resonances in carbon-carbon collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>4.2</mml:mn><mml:mi/><mml:mi mathvariant="normal">GeV</mml:mi><mml:mo>/</mml:mo><mml:mi>c</mml:mi></mml:math>per nucleon
D. KrpićFaculty of Physics, University of Belgrade, P.O. Box 368, 11001 Belgrade, YugoslaviaG. ŠkoroFaculty of Physics, University of Belgrade, P.O. Box 368, 11001 Belgrade, YugoslaviaI. PićurićFaculty of Natural Sciences and Mathematics, University of Montenegro, P.O. Box 211, 81001 Podgorica, YugoslaviaS. BackovićFaculty of Natural Sciences and Mathematics, University of Montenegro, P.O. Box 211, 81001 Podgorica, YugoslaviaS. DrndarevićFaculty of Physics, University of Belgrade, P.O. Box 368, 11001 Belgrade, Yugoslavia
2002lv
ABI
Аннотация
The production of ${\ensuremath{\Delta}}^{0}$ and ${\ensuremath{\Delta}}^{++}$ resonances in high energy collisions of carbon nuclei with the carbon nucleus, using a 2-m propane bubble chamber, was investigated. From invariant masses of $(p,{\ensuremath{\pi}}^{\ifmmode\pm\else\textpm\fi{}})$ pairs the masses and widths of the resonances were obtained. The ratios of pion production from delta decays and direct pion creation were estimated, as well as the relative number of nucleons excited to ${\ensuremath{\Delta}}^{0}$ at freeze-out conditions.
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