Observation of an isoscalar vector meson at ≃1650 MeV/c² in the $e^ + e^ - \to K\bar K\pi$ Equation>reaction

D. Bisello,G. Busetto,A. Castro,M. Nigro,L. Pescara,P. Sartori,L. Stanco,A. Antonelli,R. Baldini,M. E. Biagini,M. Schioppa,J. E. Augustin,A. Calcaterra,G. Cosme, F. Couchot,F. Fulda,G. Grosdidier,B. Jean-Marie,V. Lepeltier,F. Mane,G. Szklarz

msra（1991）

引用 19|浏览17

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摘要

The $e^ + e^ - \to K_s^0 K^ \pm \pi ^ \mp$ andK+K−π0 cross sections have been measured in the energy interval $1350 \leqq \sqrt s \leqq 2400$ with the DM2 detector at DCI. The $K_s^0 K^ \pm \pi ^ \mp$ cross section shows the contribution of an isoscalar vector meson at ≈1650 MeV/c2 in agreement with a previous experiment. The low statisticsK+K−π0 measurement is consistent with the above result.

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Observation of an isoscalar vector meson at ≃1650 MeV/c2 in the Equation>reaction

Observation of an isoscalar vector meson at ≃1650 MeV/c² in the $e^ + e^ - \to K\bar K\pi$ Equation>reaction