RECENT RESULTS IN LIGHT-QUARK MESON SPECTROSCOPY FROM FERMILAB EXPERIMENT E-760 RID C-5223-2009

ARMSTRONG T; BETTONI D; BHARADWAJ V; BIINO C; BORREANI G; BROEMMELSIEK D; BUZZO A; CALABRESE R; CECCUCCI A; CESTER R; CHURCH M; DALPIAZ PF; DIBENEDETTO R; DIMITROYANNIS D; FABBRI MG; FAST J; GIANOLI A; GINSBURG C; GOLLWITZER K; HAHN A; HASAN MA; HSUEH S; LEWIS R; LUPPI E; MACRI M; MAJEWSKA A; MANDELKERN M; MARCHETTO F; MARINELLI M; MARQUES J; MARSH W; MARTINI M; MASUZAWA M; MENICHETTI E; MIGLIORI A; MUSSA R; PALESTINI S; PALLAVICINI M; PASTRONE N; PATRIGNANI C; PEOPLES J; PESANDO L; PETRUCCI F; PIA MG; PORDES S; RAPIDIS P; RAY R; REID J; RINAUDO G; ROCCUZZO B; ROSEN JL; SANTRONI A; SARMIENTO M; SAVRIE M; SCALISI A; SCHULTZ J; SETH KK; SMITH A; SMITH GA; SOZZI M; TROKENHEIM S; WEBER M; WERKEMA S; ZHANG Y; ZHAO JL; ZIOULAS G

RECENT RESULTS IN LIGHT-QUARK MESON SPECTROSCOPY FROM FERMILAB EXPERIMENT E-760 RID C-5223-2009

Abstract

Fermilab experiment E-760 light-quark meson spectroscopy data for proton-antiproton annihilation to 3pi0, 2pi0eta, pi02eta, and 3eta in-flight have confirmed the 1500 MeV state at rest seen previously at CERN. Structures above this energy are complex, and preliminary results of amplitude analysis, in progress, for extracting spin quantum numbers show the possibility of nearly degenerate states for some of these structures

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