Search for a Scalar Resonance in the ωφ System in the Collision of a 29 GeV/c Pion Beam with a Nuclear Target
https://doi.org/10.1134/S2079562920040065
Abstract
The charge-exchange reaction π-p→nω(783)φ(1020), ω→ π+ π- π0 , φ→K+K- is studied on the upgraded VES facility (U-70, Protvino). There are 905 events of ωφ - -system selected. The signal near threshold (M ~1.9 GeV/c2 ) is observed in ωφ invariant mass. The five-particles partial wave analyses shows that (Jps = 0++) state dominates. Under the assumption of the resonant nature of the signal, its mass and width are obtained: M = 1814 ± 31 MeV/c2, Г=182 ± 19 MeV/c2.
About the Author
M. S. Kholodenko
Institute for High Energy Physics, National Research Center Kurchatov Institute
Russian Federation
Russian Federation
Protvino, Moscow region, 142281
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Review
For citations:
Kholodenko M.S. Search for a Scalar Resonance in the ωφ System in the Collision of a 29 GeV/c Pion Beam with a Nuclear Target. Nuclear Physics and Engineering. 2020;11(5):293-297. (In Russ.) https://doi.org/10.1134/S2079562920040065
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