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5 papers · 2 filters
Experimental Indication of Existence of Extra Light-Vector Mesons omega'(1.3) and rho'(1.3)
Toshihiko Komada
Mass distributions of pi^+ pi^- pi^0 and omega pi^0 systems in the e^+ e^- annihilation obtained by the several experiments are analyzed. We obtain indication of light-vector meson…
Radiative Decays of q bar q Chiral States in the U~(12)-Scheme
Tomohito Maeda, Kenji Yamada, Masuho Oda +1
The radiative transitions between ground-states (GS) of light q bar q mesons are investigated in the U~(12)-scheme. In this scheme the rich decay-spectra are offered even in transi…
Properties of the Ground-State q bar q Mesons and Possible Classification of Observed Mesons in the U~(12)_SF X O(3,1)_L Scheme
Kenji Yamada
We examine possible assignments for known mesons to the predicted ground-state q bar q multiplets in the U~(12)_SF-classification scheme of hadrons, based on their observed propert…
Physical Origin of Chiral States and Near-Threshold Resonances Observed at BES
Shin Ishida
The purpose of my talk is to explain physical backgrounds of the chiral states, which are predicted to exist generally in the low mass regions of hadrons, containing light quarks,…
Time variation of proton-electron mass ratio and fine structure constant with runaway dilaton
Takeshi Chiba, Tatsuo Kobayashi, Masahide Yamaguchi +1
Recent astrophysical observations indicate that the proton-electron mass ratio and the fine structure constant have gone through nontrivial time evolution. We discuss their time va…