2000/02/09 by C. Hanhart, J. Haidenbauer, O. Krehl +1 · 4 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #nucl-th
paper · pdf · doi:10.1103/physrevc.61.064008
published as Phys.Rev. C61 (2000) 064008 · 10 pages, 4 figures
arxiv created 2000/02/09 · openalex publication_date 2000/05/18 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
First calculations for spin-dependent observables of the reactions p\stackrel\ensuremath→ppp\ensuremathπ0, p\stackrel\ensuremath→ppn\ensuremathπ+, and p\stackrel\ensuremath→pd\ensuremathπ+ near threshold are presented, employing the J"ulich model for pion production. The influence of resonant [via the excitation of the \ensuremathΔ(1232)] and nonresonant p-wave pion production mechanisms on these observables is examined. For the reactions p\stackrel\ensuremath→ppn\ensuremathπ+ and p\stackrel\ensuremath→pd\ensuremathπ+ nice agreement of our predictions with the presently available data on spin correlation coefficents is observed whereas for p\stackrel\ensuremath→ppp\ensuremathπ0 the description of the data is less satisfying.