1998/08/05 by A. Donnachie, Alexander Donnachie, Philip R. Page · 1 citation
Physics and Astronomy · #Neutrino Physics Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.1103/physrevd.58.114012
published as Phys.Rev.D58:114012,1998 · 23 pages, LaTeX, 4 encapsulated postscript figures. Accepted for publication by Physical Review D
arxiv created 1998/08/05 · openalex publication_date 1998/10/28 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
We investigate theoretical interpretations of the 1.4 GeV JPC exotic resonance reported by the E852 Collaboration. It is argued that interpretation in terms of a hybrid meson is untenable. A K-matrix analysis shows that the 1.4 GeV enhancement in the E852 \ensuremathη\ensuremathπ data can be understood as an interference of a non-resonant Deck-type background and a resonance at 1.6 GeV. A final state rescattering calculation shows that the 1.6 GeV hybrid has a \ensuremathη\ensuremathπ width which is bounded above by 57\ifmmode±\else\textpm\fi14 MeV.